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Note: This page contains sample records for the topic "global weather forecast" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


1

Validation of Global Weather Forecast and Climate Models Over...  

NLE Websites -- All DOE Office Websites (Extended Search)

Validation of Global Weather Forecast and Climate Models Over the North Slope of Alaska Xie, Shaocheng Lawrence Livermore National Laboratory Klein, Stephen Lawrence Livermore...

2

Cloud Predictions Diagnosed from Global Weather Model Forecasts  

Science Conference Proceedings (OSTI)

The U.S. Air Force has a long history of investment in cloud analysis and prediction operations. Their need for accurate cloud cover information has resulted in routine production of global cloud analyses (from their RTNEPH analysis model) and ...

Donald C. Norquist

2000-10-01T23:59:59.000Z

3

Assessment of the Aviation Weather Center Global Forecasts of Mesoscale Convective Systems*  

Science Conference Proceedings (OSTI)

This paper examines the precision of location and top height of mesoscale convective systems, as forecast by the Aviation Weather Center (AWC). The examination was motivated by the Mediterranean Israeli Dust Experiment (MEIDEX) on the space ...

Baruch Ziv; Yoav Yair; Karin Presman; Martin Füllekrug

2004-05-01T23:59:59.000Z

4

An Evaluation and Intercomparison of Global Analyses from the National Meteorological Center and the European Centre for Medium Range Weather Forecasts  

Science Conference Proceedings (OSTI)

In order to help establish a global climate record data sets of global analyses from the U.S. National Meteorological Center (NMC) and the European Centre for Medium Range Weather Forecasts (ECMWF) have been comprehensively evaluated.

Kevin E. Trenberth; Jerry G. Olson

1988-09-01T23:59:59.000Z

5

The Stratospheric Extension of the Canadian Global Deterministic Medium-Range Weather Forecasting System and Its Impact on Tropospheric Forecasts  

Science Conference Proceedings (OSTI)

A new system that resolves the stratosphere was implemented for operational medium-range weather forecasts at the Canadian Meteorological Centre. The model lid was raised from 10 to 0.1 hPa, parameterization schemes for nonorographic gravity wave ...

Martin Charron; Saroja Polavarapu; Mark Buehner; P. A. Vaillancourt; Cécilien Charette; Michel Roch; Josée Morneau; Louis Garand; Josep M. Aparicio; Stephen MacPherson; Simon Pellerin; Judy St-James; Sylvain Heilliette

2012-06-01T23:59:59.000Z

6

Downscaling Extended Weather Forecasts for Hydrologic Prediction  

SciTech Connect

Weather and climate forecasts are critical inputs to hydrologic forecasting systems. The National Center for Environmental Prediction (NCEP) issues 8-15 days outlook daily for the U.S. based on the Medium Range Forecast (MRF) model, which is a global model applied at about 2? spatial resolution. Because of the relatively coarse spatial resolution, weather forecasts produced by the MRF model cannot be applied directly to hydrologic forecasting models that require high spatial resolution to represent land surface hydrology. A mesoscale atmospheric model was used to dynamically downscale the 1-8 day extended global weather forecasts to test the feasibility of hydrologic forecasting through this model nesting approach. Atmospheric conditions of each 8-day forecast during the period 1990-2000 were used to provide initial and boundary conditions for the mesoscale model to produce an 8-day atmospheric forecast for the western U.S. at 30 km spatial resolution. To examine the impact of initialization of the land surface state on forecast skill, two sets of simulations were performed with the land surface state initialized based on the global forecasts versus land surface conditions from a continuous mesoscale simulation driven by the NCEP reanalysis. Comparison of the skill of the global and downscaled precipitation forecasts in the western U.S. showed higher skill for the downscaled forecasts at all precipitation thresholds and increasingly larger differences at the larger thresholds. Analyses of the surface temperature forecasts show that the mesoscale forecasts generally reduced the root-mean-square error by about 1.5 C compared to the global forecasts, because of the much better resolved topography at 30 km spatial resolution. In addition, initialization of the land surface states has large impacts on the temperature forecasts, but not the precipitation forecasts. The improvements in forecast skill using downscaling could be potentially significant for improving hydrologic forecasts for managing river basins.

Leung, Lai-Yung R.; Qian, Yun

2005-03-01T23:59:59.000Z

7

Downscaling Ensemble Weather Predictions for Improved Week-2 Hydrologic Forecasting  

Science Conference Proceedings (OSTI)

This study investigates the use of large-scale ensemble weather predictions provided by the National Centers for Environmental Prediction (NCEP) Global Forecast System [GFS; formerly known as Medium-Range Forecast (MRF)] for improving week-2 ...

Xiaoli Liu; Paulin Coulibaly

2011-12-01T23:59:59.000Z

8

Antarctic Satellite Meteorology: Applications for Weather Forecasting  

Science Conference Proceedings (OSTI)

For over 30 years, weather forecasting for the Antarctic continent and adjacent Southern Ocean has relied on weather satellites. Significant advancements in forecasting skill have come via the weather satellite. The advent of the high-resolution ...

Matthew A. Lazzara; Linda M. Keller; Charles R. Stearns; Jonathan E. Thom; George A. Weidner

2003-02-01T23:59:59.000Z

9

System Demonstration Multilingual Weather Forecast Generation System  

E-Print Network (OSTI)

System Demonstration Multilingual Weather Forecast Generation System Tianfang Yao DongmoZhang Qian (Multilingual Weather Forecasts Assistant) system will be demonstrated. It is developed to generate the multilingual text of the weather forecasts automatically. The raw data from the weather observation can be used

10

The Limited-Area Forecast Systems at the Central Weather Bureau in Taiwan  

Science Conference Proceedings (OSTI)

The Central Weather Bureau (CWB) in Taipei, Republic of China has entered the era of operational numerical weather prediction with the complete online operations of a Global Forecast System (GFS) and the Limited-Area Forecast Systems (LAFS). A ...

Bao-Fong Jeng; Hway-Jen Chen; Shwu-Ching Lin; Tzay-Ming Leou; Melinda S. Peng; Simon W. Chang; Wu-Ron Hsu; C.-P. Chang

1991-03-01T23:59:59.000Z

11

How Do You Like Your Weather?: Using Weather Forecast Data to Improve Short-Term Load Forecasts  

Science Conference Proceedings (OSTI)

This document provides a quick overview of weather forecasts as a data issue in the development of electricity demand forecasts. These are three sections in this Brief: o reasons behind the rise in interest in using weather forecasts in electricity forecasting models, o an overview of what some utilities are doing to evaluate weather forecasts, and o a resource list of weather forecast providers.

2001-09-28T23:59:59.000Z

12

Making Forecasts and Weather Normalization Work Together  

Science Conference Proceedings (OSTI)

Electric utility industry restructuring has changed the consistency between weather-normalized sales and energy forecasts. This Technology Review discusses the feasibility of integrating weather normalization and forecasting processes, and addresses whether the conflicting goal of obtaining greater consistency and accuracy with fewer staff resources can be met with more integrated approaches.

2000-09-11T23:59:59.000Z

13

A Comparison of Divergent Winds from the National Meteorological Center and the European Centre for Medium Range Weather Forecasts Global Analyses for 1980–1986  

Science Conference Proceedings (OSTI)

A comparison is made of the divergent wind analyses of the National Meteorological Center (NMC) and those of the ECMWF/WMO dataset produced by the European Centre for Medium Range Weather Forecasts (ECMWF). Using a reliability criterion based on ...

Steven J. Lambert

1989-05-01T23:59:59.000Z

14

Segmenting Time Series for Weather Forecasting  

E-Print Network (OSTI)

turbines. In the domain of meteorology, time series data produced by numerical weather prediction (NWP) models is summarised as weather forecast texts. In the domain of gas turbines, sensor data from an operational gas turbine is summarised for the maintenance engineers. More details on SUMTIME have been

Reiter, Ehud

15

Dynamic Algorithm for Space Weather Forecasting System  

E-Print Network (OSTI)

We propose to develop a dynamic algorithm that intelligently analyzes existing solar weather data and constructs an increasingly more accurate equation/algorithm for predicting solar weather accurately in real time. This dynamic algorithm analyzes a wealth of data derived from scientific research and provides increasingly accurate solar forecasts. As the database of information grows over time, this algorithm perfects itself and reduces forecast uncertainties. This will provide a vastly more effective way of processing existing data for practical use in the public and private sectors. Specifically, we created an algorithm that stores data from several sources in a way that is useable, we created the ?dynamic algorithm? used for creating accurate/effective forecasts, and we have performed preliminary benchmarks on this algorithm. The preliminary benchmarks yield surprisingly effective results thus far?forecasts have been made 8-16 hours into the future with significant magnitude and trend accuracy, which is a vast improvement over current methods employed.

Fischer, Luke D.

2010-05-01T23:59:59.000Z

16

Quantification of Uncertainity in Fire-Weather Forecasts: Some Results of Operational and Experimental Forecasting Programs  

Science Conference Proceedings (OSTI)

Fire-weather forecasts (FWFs) prepared by National Weather Service (NWS) forecasters on an operational basis are traditionally expressed in categorical terms. However, to make rational and optimal use of such forecasts, fire managers need ...

Barbara G. Brown; Allan H. Murphy

1987-09-01T23:59:59.000Z

17

Post-processing of ensemble weather forecasts using a stochastic weather generator  

Science Conference Proceedings (OSTI)

This study proposes a new statistical method for post-processing ensemble weather forecasts using a stochastic weather generator. Key parameters of the weather generator were linked to the ensemble forecast means for both precipitation and ...

Jie Chen; François P. Brissette; Zhi Li

18

Early Warnings of Severe Weather from Ensemble Forecast Information  

Science Conference Proceedings (OSTI)

A system has been developed to give probabilistic warnings of severe-weather events for the United Kingdom (UK) on a regional and national basis, based on forecast output from the European Centre for Medium-Range Weather Forecasts (ECMWF) ...

T. P. Legg; K. R. Mylne

2004-10-01T23:59:59.000Z

19

The Effectiveness of Weather Forecasts in Decision Making: An Example  

Science Conference Proceedings (OSTI)

Decision models involving prescribed fire (the use of fire as a silvicultural tool) were used to analyze the utility of four types of weather information as forecasts: climatology, current weather observations (used as a persistence forecast), ...

R. William Furman

1982-04-01T23:59:59.000Z

20

Potential Economic Value of Ensemble-Based Surface Weather Forecasts  

Science Conference Proceedings (OSTI)

The possible economic value of the quantification of uncertainty in future ensemble-based surface weather forecasts is investigated using a formal, idealized decision model. Current, or baseline, weather forecasts are represented by probabilistic ...

Daniel S. Wilks; Thomas M. Hamill

1995-12-01T23:59:59.000Z

Note: This page contains sample records for the topic "global weather forecast" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


21

Precipitation and Temperature Forecast Performance at the Weather Prediction Center  

Science Conference Proceedings (OSTI)

The role of the human forecaster in improving upon the accuracy of numerical weather prediction is explored using multi-year verification of human-generated short-range precipitation forecasts and medium-range maximum temperature forecasts from ...

David R. Novak; Christopher Bailey; Keith Brill; Patrick Burke; Wallace Hogsett; Robert Rausch; Michael Schichtel

22

Diversity in Interpretations of Probability: Implications for Weather Forecasting  

Science Conference Proceedings (OSTI)

Over the last years, probability weather forecasts have become increasingly popular due in part to the development of ensemble forecast systems. Despite its widespread use in atmospheric sciences, probability forecasting remains a subtle and ...

Ramón de Elía; René Laprise

2005-05-01T23:59:59.000Z

23

An Experiment in Mesoscale Weather Forecasting in the Michigan Area  

Science Conference Proceedings (OSTI)

During an experiment in mesoscale weather forecasting in the Michigan area, consensus improved over NWS guidance in maximum/minimum temperature and probability of precipitation forecasts out to 24 hours. Forecasts were generally best in the ...

Dennis G. Baker

1986-12-01T23:59:59.000Z

24

MOUNTAIN WEATHER PREDICTION: PHENOMENOLOGICAL CHALLENGES AND FORECAST METHODOLOGY  

E-Print Network (OSTI)

MOUNTAIN WEATHER PREDICTION: PHENOMENOLOGICAL CHALLENGES AND FORECAST METHODOLOGY Michael P. Meyers of the American Meteorological Society Mountain Weather and Forecasting Monograph Draft from Friday, May 21, 2010 of weather analysis and forecasting in complex terrain with special emphasis placed on the role of humans

Steenburgh, Jim

25

State of the Science FACT SHEET Weather Forecast Uncertainty  

E-Print Network (OSTI)

State of the Science FACT SHEET Weather Forecast Uncertainty December, 2009 This document represents the state of the science of quantifying and communicating weather forecast uncertainty. Decisions can be improved by better understanding the uncertainties in the weather forecasts. NOAA seeks to help

26

Realizations of Daily Weather in Forecast Seasonal Climate  

Science Conference Proceedings (OSTI)

Stochastic daily weather time series models (?“weather generators”?) are parameterized consistent with both local climate and probabilistic seasonal forecasts. Both single-station weather generators, and spatial networks of coherently operating ...

D. S. Wilks

2002-04-01T23:59:59.000Z

27

Severe and Convective Weather: A Central Region Forecasting Challenge  

Science Conference Proceedings (OSTI)

This paper is one of a series of papers dealing with operational weather forecasting within the Central Region of the National Weather Service. It focuses on the primary Central Region warm season weather producer, the thunderstorm. Some of the ...

Richard P. McNulty

1995-06-01T23:59:59.000Z

28

Weather forecasting : the next generation : the potential use and implementation of ensemble forecasting  

E-Print Network (OSTI)

This thesis discusses ensemble forecasting, a promising new weather forecasting technique, from various viewpoints relating not only to its meteorological aspects but also to its user and policy aspects. Ensemble forecasting ...

Goto, Susumu

2007-01-01T23:59:59.000Z

29

What Is a Good Forecast? An Essay on the Nature of Goodness in Weather Forecasting  

Science Conference Proceedings (OSTI)

Differences of opinion exist among forecasters—and between forecasters and users—regarding the meaning of the phrase “good (bad) weather forecasts.” These differences of opinion are fueled by a lack of clarity and/or understanding concerning the ...

Allan H. Murphy

1993-06-01T23:59:59.000Z

30

Controlling The Global Weather  

Science Conference Proceedings (OSTI)

The earth's atmosphere may be chaotic and very likely is sensitive to small perturbations. Certainly, very simple nonlinear dynamical models of the atmosphere are chaotic, and the most realistic numerical weather prediction models arevery ...

Ross N. Hoffman

2002-02-01T23:59:59.000Z

31

Global Warming and Extreme Weather  

NLE Websites -- All DOE Office Websites (Extended Search)

Global Warming and Extreme Weather Global Warming and Extreme Weather Speaker(s): Michael Wehner Date: November 28, 2006 - 12:00pm Location: 90-3122 Seminar Host/Point of Contact: Surabi Menon Extreme weather events can have serious impacts on human and ecological systems. Changes in the magnitude and frequency of extreme weather associated with changes in the mean climate are likely the most serious consequence of human induced global warming. Understanding what the future portends is vital if society hopes to adapt to the very different world that awaits. In this talk, we will exploit simple extreme value theory to make predictions about the late 21st century climate. Current work on the relationship between global warming and the hurricane cycle will also be presented. The bottom line is that events that are considered rare today

32

Operational forecasting based on a modified Weather Research and Forecasting model  

DOE Green Energy (OSTI)

Accurate short-term forecasts of wind resources are required for efficient wind farm operation and ultimately for the integration of large amounts of wind-generated power into electrical grids. Siemens Energy Inc. and Lawrence Livermore National Laboratory, with the University of Colorado at Boulder, are collaborating on the design of an operational forecasting system for large wind farms. The basis of the system is the numerical weather prediction tool, the Weather Research and Forecasting (WRF) model; large-eddy simulations and data assimilation approaches are used to refine and tailor the forecasting system. Representation of the atmospheric boundary layer is modified, based on high-resolution large-eddy simulations of the atmospheric boundary. These large-eddy simulations incorporate wake effects from upwind turbines on downwind turbines as well as represent complex atmospheric variability due to complex terrain and surface features as well as atmospheric stability. Real-time hub-height wind speed and other meteorological data streams from existing wind farms are incorporated into the modeling system to enable uncertainty quantification through probabilistic forecasts. A companion investigation has identified optimal boundary-layer physics options for low-level forecasts in complex terrain, toward employing decadal WRF simulations to anticipate large-scale changes in wind resource availability due to global climate change.

Lundquist, J; Glascoe, L; Obrecht, J

2010-03-18T23:59:59.000Z

33

Skill in Precipitation Forecasting in the National Weather Service  

Science Conference Proceedings (OSTI)

All known long-term records of forecasting performance for different types of precipitation forecasts in the National Weather Service were examined for relative skill and secular trends in skill. The largest upward trends were achieved by local ...

Jerome P. Charba; William H. Klein

1980-12-01T23:59:59.000Z

34

The Application of Signal Detection Theory to Weather Forecasting Behavior  

Science Conference Proceedings (OSTI)

A variety of measures are used to judge the skill and accuracy with which forecasters predict the weather and to verify forecasts: Such measures can confound accuracy with decision strategy and sometimes give conflicting indications of ...

Lewis O. Harvey Jr.; Kenneth R. Hammond; Cynthia M. Lusk; Ernest F. Mross

1992-05-01T23:59:59.000Z

35

Bayesian Approach to Decision Making Using Ensemble Weather Forecasts  

Science Conference Proceedings (OSTI)

The economic value of ensemble-based weather or climate forecasts is generally assessed by taking the ensembles at “face value.” That is, the forecast probability is estimated as the relative frequency of occurrence of an event among a limited ...

Richard W. Katz; Martin Ehrendorfer

2006-04-01T23:59:59.000Z

36

NOS Point Forecast Guidance to Weather and Ocean Conditions ...  

NLE Websites -- All DOE Office Websites (Extended Search)

NOS Point Forecast Guidance to Weather and Ocean Conditions Ocean Data Tools Technical Guide Map Gallery Regional Planning Feedback Ocean You are here Data.gov Communities ...

37

NOS Point Forecast Guidance to Weather and Ocean Conditions ...  

NLE Websites -- All DOE Office Websites (Extended Search)

Point Forecast Guidance to Weather and Ocean Conditions Ocean Data Tools Technical Guide Map Gallery Regional Planning Feedback Ocean You are here Data.gov Communities Ocean...

38

Optimization Online - Data Assimilation in Weather Forecasting: A ...  

E-Print Network (OSTI)

Feb 14, 2007 ... Data Assimilation in Weather Forecasting: A Case Study in PDE-Constrained Optimization. M. Fisher(Mike.Fisher ***at*** ecmwf.int)

39

Economic Impacts of Advanced Weather Forecasting on Energy ...  

E-Print Network (OSTI)

Mar 5, 2010 ... Abstract: We analyze the impacts of adopting advanced weather forecasting systems at different levels of the decision-making hierarchy of the ...

40

Exploiting Weather Forecast Information in the Operation of ...  

E-Print Network (OSTI)

Mar 4, 2009 ... On-Line Economic Optimization of Energy Systems Using Weather Forecast Information. Victor M Zavala (vzavala ***at*** mcs.anl.gov)

Note: This page contains sample records for the topic "global weather forecast" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


41

TEACHMET: An Expert System for Teaching Weather Forecasting  

Science Conference Proceedings (OSTI)

Students or weather forecasting need to learn to identify efficiently the information relevant to the elements they predict. One way students learn these skills is by engaging in discussions of interesting weather situations as they occur. In ...

Nathan M. Reiss; James C. Hofmann

1988-04-01T23:59:59.000Z

42

The New Digital Forecast Database of the National Weather Service  

Science Conference Proceedings (OSTI)

The National Weather Service (NWS) has entered a new era in the production and dissemination of weather information and service to the nation. No longer are textual forecasts the primary medium of dissemination, but a digital database of official ...

Harry R. Glahn; David P. Ruth

2003-02-01T23:59:59.000Z

43

A Survey of the Use of National Weather Service Forecasts by Television Weather Forecasters in the United States  

Science Conference Proceedings (OSTI)

This investigation was undertaken to determine how different the weather forecasts of telecasters are from those of the National Weather Service for the same areas and times, and the sources of information telecasters use when they modify the NWS ...

Dennis M. Driscoll

1986-12-01T23:59:59.000Z

44

NATIONAL AND GLOBAL FORECASTS WEST VIRGINIA PROFILES AND FORECASTS  

E-Print Network (OSTI)

· NATIONAL AND GLOBAL FORECASTS · WEST VIRGINIA PROFILES AND FORECASTS · ENERGY · HEALTHCARE Industry Insight: West Virginia Fiscal Forecast 34 CHAPTER 4: WEST ViRGiNiA'S 35 COUNTiES AND MSAs West Forecast Summary 2 CHAPTER 1: THE UNiTED STATES ECONOMY Figure 1.1: United States Real GDP Growth 3 Figure

Mohaghegh, Shahab

45

Solar forecasting review  

E-Print Network (OSTI)

of Solar Forecasting . . . . . . . . . 2.4.1 Solarbudget at the foundation of satellite based forecastingWeather Research and Forecasting (WRF) Model 7.1 Global

Inman, Richard Headen

2012-01-01T23:59:59.000Z

46

Seasonal Winter Weather Forecast for UK December 2000 -February 2001  

E-Print Network (OSTI)

Seasonal Winter Weather Forecast for UK December 2000 - February 2001 Summary and Verification of Authors' Seasonal Forecasts Issued: 23rd March, 2001 by Mark Saunders, Tony Hamilton, and Steve George and less windy winter than average. Forecasts proved successful for temperature and rainfall but windiness

Saunders, Mark

47

Communicating Uncertainty in Weather Forecasts: A Survey of the U.S. Public  

Science Conference Proceedings (OSTI)

Weather forecasts are inherently uncertain, and meteorologists have information about weather forecast uncertainty that is not readily available to most forecast users. Yet effectively communicating forecast uncertainty to nonmeteorologists ...

Rebecca E. Morss; Julie L. Demuth; Jeffrey K. Lazo

2008-10-01T23:59:59.000Z

48

Whither the Weather Analysis and Forecasting Process?  

Science Conference Proceedings (OSTI)

An argument is made that if human forecasters are to continue to maintain a skill advantage over steadily improving model and guidance forecasts, then ways have to be found to prevent the deterioration of forecaster skills through disuse. The ...

Lance F. Bosart

2003-06-01T23:59:59.000Z

49

UNCERTAINTY IN THE GLOBAL FORECAST SYSTEM  

SciTech Connect

We validated one year of Global Forecast System (GFS) predictions of surface meteorological variables (wind speed, air temperature, dewpoint temperature, air pressure) over the entire planet for forecasts extending from zero hours into the future (an analysis) to 36 hours. Approximately 12,000 surface stations world-wide were included in this analysis. Root-Mean-Square- Errors (RMSE) increased as the forecast period increased from zero to 36 hours, but the initial RMSE were almost as large as the 36 hour forecast RMSE for all variables. Typical RMSE were 3 C for air temperature, 2-3mb for sea-level pressure, 3.5 C for dewpoint temperature and 2.5 m/s for wind speed. Approximately 20-40% of the GFS errors can be attributed to a lack of resolution of local features. We attribute the large initial RMSE for the zero hour forecasts to the inability of the GFS to resolve local terrain features that often dominate local weather conditions, e.g., mountain- valley circulations and sea and land breezes. Since the horizontal resolution of the GFS (about 1{sup o} of latitude and longitude) prevents it from simulating these locally-driven circulations, its performance will not improve until model resolution increases by a factor of 10 or more (from about 100 km to less than 10 km). Since this will not happen in the near future, an alternative for the near term to improve surface weather analyses and predictions for specific points in space and time would be implementation of a high-resolution, limited-area mesoscale atmospheric prediction model in regions of interest.

Werth, D.; Garrett, A.

2009-04-15T23:59:59.000Z

50

Long-Range Weather Forecasting Using an Analog Approach  

Science Conference Proceedings (OSTI)

An analog selection method relying an the coincidence of main features (large ridge lines) in the Northern Hemisphere is presented and used for making 30-day weather forecasts for Hungary. Numerous analog model trials were tested, with the aid of ...

Zoltan Toth

1989-06-01T23:59:59.000Z

51

How can Weather-Forecasting Facilitate the Improvement of Moist...  

NLE Websites -- All DOE Office Websites (Extended Search)

Weather-Forecasting Facilitate the Improvement of Moist Processes in Climate Models? Speaker(s): Stephen A. Klein Date: May 22, 2008 - 12:00pm Location: 90-3122 Seminar HostPoint...

52

Weather Regimes and Forecast Errors in the Pacific Northwest  

Science Conference Proceedings (OSTI)

Despite overall improvements in numerical weather prediction and data assimilation, large short-term forecast errors of sea level pressure and 2-m temperature still occur. This is especially true for the west coast of North America where short-...

Lynn A. McMurdie; Joseph H. Casola

2009-06-01T23:59:59.000Z

53

Weather Forecasting by Humans—Heuristics and Decision Making  

Science Conference Proceedings (OSTI)

The decision-making literature contains considerable information about how humans approach tasks involving uncertainty using heuristics. Although there is some reason to believe that weather forecasters are not identical in all respects to the ...

Charles A. Doswell III

2004-12-01T23:59:59.000Z

54

Ultraviolet Index Forecasts Issued by the National Weather Service  

Science Conference Proceedings (OSTI)

The National Weather Service (NWS), in collaboration with the Environmental Protection Agency (EPA), now issues an Ultraviolet (UV) index forecast. The UV index (UVI) is a mechanism by which the American public is forewarned of the next day's ...

Craig S. Long; Alvin J. Miller; Hai-Tien Lee; Jeannette D. Wild; Richard C. Przywarty; Drusilia Hufford

1996-04-01T23:59:59.000Z

55

Regional Climate–Weather Research and Forecasting Model  

Science Conference Proceedings (OSTI)

The CWRF is developed as a climate extension of the Weather Research and Forecasting model (WRF) by incorporating numerous improvements in the representation of physical processes and integration of external (top, surface, lateral) forcings that are ...

Xin-Zhong Liang; Min Xu; Xing Yuan; Tiejun Ling; Hyun I. Choi; Feng Zhang; Ligang Chen; Shuyan Liu; Shenjian Su; Fengxue Qiao; Yuxiang He; Julian X. L. Wang; Kenneth E. Kunkel; Wei Gao; Everette Joseph; Vernon Morris; Tsann-Wang Yu; Jimy Dudhia; John Michalakes

2012-09-01T23:59:59.000Z

56

Evaluation of numerical weather prediction for intra-day solar forecasting in the continental United States  

E-Print Network (OSTI)

MOS), Numerical Weather Prediction (NWP), Solar Forecasting of numerical weather prediction for intra?day solar solar energy applications based on aerosol chemical transport and  numerical weather 

Mathiesen, Patrick; Kleissl, Jan

2011-01-01T23:59:59.000Z

57

A high-resolution, cloud-assimilating numerical weather prediction model for solar irradiance forecasting  

E-Print Network (OSTI)

of numerical weather prediction solar irradiance forecasts of numerical weather prediction for intra?day solar numerical weather prediction model for solar irradiance 

Mathiesen, Patrick; Collier, Craig; Kleissl, Jan

2013-01-01T23:59:59.000Z

58

MLWFA: A Multilingual Weather Forecast Text Generation Tianfang YAO Dongmo ZHANG Qian WANG  

E-Print Network (OSTI)

MLWFA: A Multilingual Weather Forecast Text Generation System1 Tianfang YAO Dongmo ZHANG Qian WANG generation; Weather forecast generation system Abstract In this demonstration, we present a system for multilingual text generation in the weather forecast domain. Multilingual Weather Forecast Assistant (MLWFA

Wu, Dekai

59

Integration of Climate and Weather Information for Improving 15-Day-Ahead Accumulated Precipitation Forecasts  

Science Conference Proceedings (OSTI)

Skillful medium-range weather forecasts are critical for water resources planning and management. This study aims to improve 15-day-ahead accumulated precipitation forecasts by combining biweekly weather and disaggregated climate forecasts. A ...

Hui Wang; A. Sankarasubramanian; Ranji S. Ranjithan

2013-02-01T23:59:59.000Z

60

Verification of The Weather Channel Probability of Precipitation Forecasts  

Science Conference Proceedings (OSTI)

The Weather Channel (TWC) is a leading provider of weather information to the general public. In this paper the reliability of their probability of precipitation (PoP) forecasts over a 14-month period at 42 locations across the United States is ...

J. Eric Bickel; Seong Dae Kim

2008-12-01T23:59:59.000Z

Note: This page contains sample records for the topic "global weather forecast" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


61

Building simulation weather forecast files for predictive control strategies  

Science Conference Proceedings (OSTI)

Model-Based Predictive Control (MPC) has received significant attention in recent years as a tool for load management in buildings. MPC is based on predicting the response of a system based on knowledge of future inputs, such as weather and occupancy. ... Keywords: EPW files, building simulation, predictive control, weather forecast

José. A. Candanedo; Éric Paradis; Meli Stylianou

2013-04-01T23:59:59.000Z

62

Study of Machine Round-Off response on Weather Forecasting Simulations Using High Performance Computing Systems  

Science Conference Proceedings (OSTI)

The weather forecasting model T80L18 is found to be sensitive to variations in the computing platform. The global spectral model simulation variation due to machine round off is examined using rounding mode analysis and the perturbation methods. The ...

S. Janakiraman; J. V. Ratnam; Akshara Kaginalkar

2000-05-01T23:59:59.000Z

63

Downscaling of ECMWF Ensemble Forecasts for Cases of Severe Weather: Ensemble Statistics and Cluster Analysis  

Science Conference Proceedings (OSTI)

Dynamical downscaling has been applied to global ensemble forecasts to assess its impact for four cases of severe weather (precipitation and wind) over various parts of Croatia. It was performed with the Croatian 12.2-km version of the Aire ...

?edo Brankovi?; Blaženka Matja?i?; Stjepan Ivatek-Šahdan; Roberto Buizza

2008-09-01T23:59:59.000Z

64

Weather and Forecasting Challenges in the Pacific Region of the National Weather Service  

Science Conference Proceedings (OSTI)

The large area of responsibility covered by the Pacific Region of the National Weather Service provides a unique set of challenges to operational forecasters. Extratropical, subtropical, and tropical meteorological phenomena on a wide range of ...

Kevin R. Kodama; Steven Businger

1998-09-01T23:59:59.000Z

65

Global and Local Skill Forecasts  

Science Conference Proceedings (OSTI)

A skill forecast gives the probability distribution for the error in a forecast. Statistically, Well-founded skill forecasting methods have so far only been applied within the context of simple models. In this paper, the growth of analysis errors ...

P. L. Houtekamer

1993-06-01T23:59:59.000Z

66

Monthly Weather Forecasts in a Pest Forecasting Context: Downscaling, Recalibration, and Skill Improvement  

Science Conference Proceedings (OSTI)

Monthly weather forecasts (MOFCs) were shown to have skill in extratropical continental regions for lead times up to 3 weeks, in particular for temperature and if weekly averaged. This skill could be exploited in practical applications for ...

Martin Hirschi; Christoph Spirig; Andreas P. Weigel; Pierluigi Calanca; Jörg Samietz; Mathias W. Rotach

2012-09-01T23:59:59.000Z

67

Computer Generation of Marine Weather Forecast Text  

Science Conference Proceedings (OSTI)

MARWORDS is a natural language text generation system which has been developed to synthesize marine forecasts for the Davis Strait area in Northern Canada. It uses standard manually produced predictions of wind speed, air temperature, and other ...

E. Goldberg; R. Kittredge; A. Polguère

1988-08-01T23:59:59.000Z

68

The role of ICTs in downscaling and up-scaling integrated weather forecasts for farmers in sub-Saharan Africa  

Science Conference Proceedings (OSTI)

Despite global advancements in technology and inter-trade volumes, Sub-Saharan Africa is the only Region where cases of hunger have increased since 1990. Rampant and frequent droughts are one of the major causes of this. Monumental and mostly donor-funded ... Keywords: Nganyi clan of western Kenya, indigenous knowledge weather forecasts, seasonal climate forecasts, sub-Saharan Africa, wireless sensor networks

Muthoni Masinde; Antoine Bagula; Nzioka J. Muthama

2012-03-01T23:59:59.000Z

69

WRF-Fire: Coupled Weather–Wildland Fire Modeling with the Weather Research and Forecasting Model  

Science Conference Proceedings (OSTI)

A wildland fire-behavior module, named WRF-Fire, was integrated into the Weather Research and Forecasting (WRF) public domain numerical weather prediction model. The fire module is a surface fire-behavior model that is two-way coupled with the ...

Janice L. Coen; Marques Cameron; John Michalakes; Edward G. Patton; Philip J. Riggan; Kara M. Yedinak

2013-01-01T23:59:59.000Z

70

Weather-based forecasts of California crop yields  

SciTech Connect

Crop yield forecasts provide useful information to a range of users. Yields for several crops in California are currently forecast based on field surveys and farmer interviews, while for many crops official forecasts do not exist. As broad-scale crop yields are largely dependent on weather, measurements from existing meteorological stations have the potential to provide a reliable, timely, and cost-effective means to anticipate crop yields. We developed weather-based models of state-wide yields for 12 major California crops (wine grapes, lettuce, almonds, strawberries, table grapes, hay, oranges, cotton, tomatoes, walnuts, avocados, and pistachios), and tested their accuracy using cross-validation over the 1980-2003 period. Many crops were forecast with high accuracy, as judged by the percent of yield variation explained by the forecast, the number of yields with correctly predicted direction of yield change, or the number of yields with correctly predicted extreme yields. The most successfully modeled crop was almonds, with 81% of yield variance captured by the forecast. Predictions for most crops relied on weather measurements well before harvest time, allowing for lead times that were longer than existing procedures in many cases.

Lobell, D B; Cahill, K N; Field, C B

2005-09-26T23:59:59.000Z

71

Modelling and forecasting wind speed intensity for weather risk management  

Science Conference Proceedings (OSTI)

The main interest of the wind speed modelling is on the short-term forecast of wind speed intensity and direction. Recently, its relationship with electricity production by wind farms has been studied. In fact, electricity producers are interested in ... Keywords: ARFIMA-FIGARCH, Auto Regressive Gamma, Gamma Auto Regressive, Weather risk management, Wind speed modelling, Wind speed simulation

Massimiliano Caporin; Juliusz Pre

2012-11-01T23:59:59.000Z

72

Development of a Probabilistic Convective Weather Forecast Threshold Parameter for Flight-Routing Decisions  

Science Conference Proceedings (OSTI)

This paper presents a method for determining a threshold value of probabilistic convective weather forecast data. By synchronizing air traffic data and an experimental probabilistic convective weather forecast product, it was observed that ...

Kapil Sheth; Thomas Amis; Sebastian Gutierrez-Nolasco; Banavar Sridhar; Daniel Mulfinger

2013-10-01T23:59:59.000Z

73

Mesoscale Forecasts Generated from Operational Numerical Weather-Prediction Model Output  

Science Conference Proceedings (OSTI)

A technique called Model Output Enhancement (MOE) has been developed for the generation and display of mesoscale weather forecasts. The MOE technique derives mesoscale or high-resolution (order of 1 km) weather forecasts from synoptic-scale ...

John G. W. Kelley; Joseph M. Russo; Toby N. Carlson; J. Ronald Eyton

1988-01-01T23:59:59.000Z

74

A Systematic Economic Approach to Evaluating Public Investment in Observations for Weather Forecasting  

Science Conference Proceedings (OSTI)

Observations of the current state of the atmosphere are a major input to production of modern weather forecasts. As a result, investments in observations are a major component of public expenditures related to weather forecasting. Consequently, ...

Rebecca E. Morss; Kathleen A. Miller; Maxine S. Vasil

2005-02-01T23:59:59.000Z

75

Statistical Forecasts Based on the National Meteorological Center's Numerical Weather Prediction System  

Science Conference Proceedings (OSTI)

The production of interpretive weather element forecasts from dynamical model output variables is now an integral part of the centralized guidance systems of weather services throughout the world. The statistical forecasting system in the United ...

Gary M. Carter; J. Paul Dallavalle; Harry R. Glahn

1989-09-01T23:59:59.000Z

76

Development of Probabilistic Convective Weather Forecast Threshold Parameter for Flight-Routing Decisions  

Science Conference Proceedings (OSTI)

This paper presents a method for determining a threshold value of probabilistic convective weather forecast data. By synchronizing air traffic data and an experimental probabilistic convective weather forecast product, it was observed that ...

Kapil Sheth; Thomas Amis; Sebastian Gutierrez-Nolasco; Banavar Sridhar; Daniel Mulfinger

77

CloudCast: Cloud Computing for Short-Term Weather Forecasts  

Science Conference Proceedings (OSTI)

CloudCast provides clients with personalized short-term weather forecasts based on their current location using cloud services

Dilip Kumar Krishnappa; David Irwin; Eric Lyons; Michael Zink

2013-01-01T23:59:59.000Z

78

Weather Forecasting as a Learning Tool in a Large Service Course: Does Practice Make Perfect?  

Science Conference Proceedings (OSTI)

Each spring roughly 200 students, mostly nonmajors, enroll in the Introduction to Meteorology course at Iowa State University and are required to make at least 25 forecasts throughout the semester. The Dynamic Weather Forecaster (DWF) forecasting ...

Elizabeth J. Suess; Cinzia Cervato; William A. Gallus Jr.; Jonathon M. Hobbs

2013-06-01T23:59:59.000Z

79

Lessons from Deploying NLG Technology for Marine Weather Forecast Text Generation  

E-Print Network (OSTI)

Lessons from Deploying NLG Technology for Marine Weather Forecast Text Generation Somayajulu G Language Generation (NLG) system that produces textual weather forecasts for offshore oilrigs from for producing 150 draft forecasts per day, which are then post-edited by forecasters before being released

Sripada, Yaji

80

Increasing NOAA's computational capacity to improve global forecast modeling  

E-Print Network (OSTI)

1 Increasing NOAA's computational capacity to improve global forecast modeling A NOAA of the NWS's forecast products, even its regional forecast products, are constrained by the limitations of NOAA's global forecast model. Unfortunately, our global forecasts are less accurate than those from

Hamill, Tom

Note: This page contains sample records for the topic "global weather forecast" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


81

Weather forecast-based optimization of integrated energy systems.  

SciTech Connect

In this work, we establish an on-line optimization framework to exploit detailed weather forecast information in the operation of integrated energy systems, such as buildings and photovoltaic/wind hybrid systems. We first discuss how the use of traditional reactive operation strategies that neglect the future evolution of the ambient conditions can translate in high operating costs. To overcome this problem, we propose the use of a supervisory dynamic optimization strategy that can lead to more proactive and cost-effective operations. The strategy is based on the solution of a receding-horizon stochastic dynamic optimization problem. This permits the direct incorporation of economic objectives, statistical forecast information, and operational constraints. To obtain the weather forecast information, we employ a state-of-the-art forecasting model initialized with real meteorological data. The statistical ambient information is obtained from a set of realizations generated by the weather model executed in an operational setting. We present proof-of-concept simulation studies to demonstrate that the proposed framework can lead to significant savings (more than 18% reduction) in operating costs.

Zavala, V. M.; Constantinescu, E. M.; Krause, T.; Anitescu, M.

2009-03-01T23:59:59.000Z

82

The Application of a Simple Method for the Verification of Weather Forecasts and Seasonal Variations in Forecast Accuracy  

Science Conference Proceedings (OSTI)

The evaluation of weather forecast accuracy has always been a difficult subject to address for many reasons. In this study, a simple semiobjective method is used to examine the accuracy of zone forecasts issued by the Weldon Spring (Saint Louis) ...

Anthony R. Lupo; Patrick S. Market

2002-08-01T23:59:59.000Z

83

Suitability of the Weather Research and Forecasting (WRF) Model to Predict the June 2005 Fire Weather for Interior Alaska  

Science Conference Proceedings (OSTI)

Standard indices used in the National Fire Danger Rating System (NFDRS) and Fosberg fire-weather indices are calculated from Weather Research and Forecasting (WRF) model simulations and observations in interior Alaska for June 2005. Evaluation ...

Nicole Mölders

2008-10-01T23:59:59.000Z

84

Evaluation of the Weather Research and Forecasting model for two frost events  

Science Conference Proceedings (OSTI)

Meso-local-scale weather information could be used as a guideline for crop protection to effectively manage and mitigate the effects of frost damage. The main goal of this study was to evaluate the meso-local-scale weather forecasts from the state-of-the-art ... Keywords: Frost protection, Georgia Automated Environmental Monitoring Network, Temperature prediction, Weather Research and Forecasting model

Thara Prabha; Gerrit Hoogenboom

2008-12-01T23:59:59.000Z

85

Weather  

NLE Websites -- All DOE Office Websites (Extended Search)

to the latest meteorological observations, climatological information, and weather forecast products for the Los Alamos area. December 14, 2011 Snow vortex A snow vortex in Los...

86

Products and Service of Center for Weather Forecast and Climate Studies  

E-Print Network (OSTI)

LOG O Products and Service of Center for Weather Forecast and Climate Studies Simone Sievert da (INPE) #12;Talk Outline CPTEC/INPE Operational Forecast Systems (time scales) Modeling Forecast-Brazil Space Sector Workshop, São José dos Campos 26 - 27 August. 2010 CPTEC: Forecasting Modeling Scales Time

87

Winter Weather Forecasting throughout the Eastern United States. Part IV: Lake Effect Snow  

Science Conference Proceedings (OSTI)

This article is the final installment of a four-part series that examines the challenge of forecasting winter weather throughout the eastern United States. This paper examines the problems and challenges of forecasting lake effect snows. The ...

Thomas A. Niziol; Warren R. Snyder; Jeff S. Waldstreicher

1995-03-01T23:59:59.000Z

88

The Thunderstorm Interactive Forecast System: Turning Automated Thunderstorm Tracks into Severe Weather Warnings  

Science Conference Proceedings (OSTI)

The Australian Bureau of Meteorology has developed a new tool called the Thunderstorm Interactive Forecast System (TIFS; formerly known as ThunderBox) for interactively producing finished severe weather warnings and other forecasts from ...

John Bally

2004-02-01T23:59:59.000Z

89

Development of Skill by Students Enrolled in a Weather Forecasting Laboratory  

Science Conference Proceedings (OSTI)

Daily values of forecast scores are evaluated for students in a weather analysis and forecasting class (ATMS 452) offered by the Department of Atmospheric Sciences of the University of Washington during the spring terms of 1997–2007. The ...

Nicholas A. Bond; Clifford F. Mass

2009-08-01T23:59:59.000Z

90

Control of Regional and Global Weather  

E-Print Network (OSTI)

Author suggests and researches a new revolutionary idea for regional and global weather control. He offers to cover cities, bad regions of country, full country or a continent by a thin closed film with control clarity located at a top limit of the Earth troposphere (4 - 6 km). The film is supported at altitude by small additional atmospheric pressure and connected to ground by thin cables. It is known, the troposphere defines the Earth weather. Authors show this closed dome allows to do a full control of the weather in a given region (the day is always fine, the rain is only in night, no strong wind). The average Earth (white cloudy) reflectance equal 0.3 - 0.5. That means the Earth losses about 0.3 - 0.5 of a solar energy. The dome controls the clarity of film and converts the cold regions to subtropics and creates the hot deserts, desolate wildernesses to the prosperous regions with temperate climate. That is a realistic and the cheapest method of the weather control in the Earth at the current time. Key words: Global weather control, gigantic film dome, converting a cold region to subtropics, converting desolate wilderness to a prosperous region.

Alexander Bolonkin

2007-01-09T23:59:59.000Z

91

Evaluation of WRF Model Output for Severe Weather Forecasting from the 2008 NOAA Hazardous Weather Testbed Spring Experiment  

Science Conference Proceedings (OSTI)

This study assesses forecasts of the preconvective and near-storm environments from the convection-allowing models run for the 2008 National Oceanic and Atmospheric Administration (NOAA) Hazardous Weather Testbed (HWT) spring experiment. ...

Michael C. Coniglio; Kimberly L. Elmore; John S. Kain; Steven J. Weiss; Ming Xue; Morris L. Weisman

2010-04-01T23:59:59.000Z

92

Learning uncertainty models from weather forecast performance databases using quantile regression  

Science Conference Proceedings (OSTI)

Forecast uncertainty information is not available in the immediate output of Numerical weather prediction (NWP) models. Such important information is required for optimal decision making processes in many domains. Prediction intervals are a prominent ... Keywords: numerical weather forecast, prediction interval, quantile regression, uncertainty modeling

Ashkan Zarnani; Petr Musilek

2013-07-01T23:59:59.000Z

93

On-line economic optimization of energy systems using weather forecast information.  

Science Conference Proceedings (OSTI)

We establish an on-line optimization framework to exploit weather forecast information in the operation of energy systems. We argue that anticipating the weather conditions can lead to more proactive and cost-effective operations. The framework is based on the solution of a stochastic dynamic real-time optimization (D-RTO) problem incorporating forecasts generated from a state-of-the-art weather prediction model. The necessary uncertainty information is extracted from the weather model using an ensemble approach. The accuracy of the forecast trends and uncertainty bounds are validated using real meteorological data. We present a numerical simulation study in a building system to demonstrate the developments.

Zavala, V. M.; Constantinescu, E. M.; Krause, T.; Anitescu, M.

2009-01-01T23:59:59.000Z

94

Forecasting Cloud Cover and Atmospheric Seeing for Astronomical Observing: Application and Evaluation of the Global Forecast System  

E-Print Network (OSTI)

To explore the issue of performing a non-interactive numerical weather forecast with an operational global model in assist of astronomical observing, we use the Xu-Randall cloud scheme and the Trinquet-Vernin AXP seeing model with the global numerical output from the Global Forecast System to generate 3-72h forecasts for cloud coverage and atmospheric seeing, and compare them with sequence observations from 9 sites from different regions of the world with different climatic background in the period of January 2008 to December 2009. The evaluation shows that the proportion of prefect forecast of cloud cover forecast varies from ~50% to ~85%. The probability of cloud detection is estimated to be around ~30% to ~90%, while the false alarm rate is generally moderate and is much lower than the probability of detection in most cases. The seeing forecast has a moderate mean difference (absolute mean difference <0.3" in most cases) and root-mean-square-error or RMSE (0.2"-0.4" in most cases) comparing with the obs...

Ye, Q -z

2010-01-01T23:59:59.000Z

95

The Emergence of Weather-Related Testbeds Linking Research and Forecasting Operations  

Science Conference Proceedings (OSTI)

Testbeds have emerged as a critical mechanism linking weather research with forecasting operations. The U.S. Weather Research Program (USWRP) was formed in the 1990s to help identify key gaps in research related to major weather prediction problems and ...

F. Martin Ralph; Janet Intrieri; David Andra; Jr.; Robert Atlas; Sid Boukabara; David Bright; Paula Davidson; Bruce Entwistle; John Gaynor; Steve Goodman; Jiann-Gwo Jiing; Amy Harless; Jin Huang; Gary Jedlovec; John Kain; Steven Koch; Bill Kuo; Jason Levit; Shirley Murillo; Lars Peter Riishojgaard; Timothy Schneider; Russell Schneider; Travis Smith; Steven Weiss

96

The Emergence of Weather-Related Test Beds Linking Research and Forecasting Operations  

Science Conference Proceedings (OSTI)

Test beds have emerged as a critical mechanism linking weather research with forecasting operations. The U.S. Weather Research Program (USWRP) was formed in the 1990s to help identify key gaps in research related to major weather prediction problems and ...

F. Martin Ralph; Janet Intrieri; David Andra Jr.; Robert Atlas; Sid Boukabara; David Bright; Paula Davidson; Bruce Entwistle; John Gaynor; Steve Goodman; Jiann-Gwo Jiing; Amy Harless; Jin Huang; Gary Jedlovec; John Kain; Steven Koch; Bill Kuo; Jason Levit; Shirley Murillo; Lars Peter Riishojgaard; Timothy Schneider; Russell Schneider; Travis Smith; Steven Weiss

2013-08-01T23:59:59.000Z

97

The Economic Value Of Ensemble-Based Weather Forecasts  

Science Conference Proceedings (OSTI)

The potential economic benefit associated with the use of an ensemble of forecasts versus anequivalent or higher-resolution control forecast is discussed. Neither forecast systems are post-processed,except a simple calibration that is applied to ...

Yuejian Zhu; Zoltan Toth; Richard Wobus; David Richardson; Kenneth Mylne

2002-01-01T23:59:59.000Z

98

Empirical Correction of the NCEP Global Forecast System  

Science Conference Proceedings (OSTI)

This paper examines the extent to which an empirical correction method can improve forecasts of the National Centers for Environmental Prediction (NCEP) operational Global Forecast System. The empirical correction is based on adding a forcing ...

Xiaosong Yang; Timothy DelSole; Hua-Lu Pan

2008-12-01T23:59:59.000Z

99

PNNL-Weather Research and Forecasting (WRF)-Chem Modeling in Mexico | Open  

Open Energy Info (EERE)

Weather Research and Forecasting (WRF)-Chem Modeling in Mexico Weather Research and Forecasting (WRF)-Chem Modeling in Mexico Jump to: navigation, search Name PNNL-Weather Research and Forecasting (WRF)-Chem Modeling in Mexico Agency/Company /Organization Pacific Northwest National Laboratory Sector Energy Topics Co-benefits assessment, - Environmental and Biodiversity, - Health, Background analysis Resource Type Publications Website http://www.pnl.gov/atmospheric Country Mexico UN Region Latin America and the Caribbean References PNNL-Weather Research and Forecasting (WRF)-Chem Modeling in Mexico[1] PNNL Publications on WRF-Chem modeling in Mexico include: Fast JD, M Shrivastava, RA Zaveri, and JC. Barnard. 2010. "Modeling particulates and direct radiative forcing from urban to synoptic scales downwind of Mexico City." Annual European Geosciences Union Assembly,

100

Development of the Upgraded Tangent Linear and Adjoint of the Weather Research and Forecasting (WRF) Model  

Science Conference Proceedings (OSTI)

The authors propose a new technique for parallelizations of tangent linear and adjoint codes, which were applied in the redevelopment for the Weather Research and Forecasting (WRF) model with its Advanced Research WRF dynamic core using the ...

Xin Zhang; Xiang-Yu Huang; Ning Pan

2013-06-01T23:59:59.000Z

Note: This page contains sample records for the topic "global weather forecast" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


101

Impacts of Soil Heating Condition on Precipitation Simulations in the Weather Research and Forecasting Model  

Science Conference Proceedings (OSTI)

Soil temperature is a major variable in land surface models, representing soil energy status, storage, and transfer. It serves as an important factor indicating the underlying surface heating condition for weather and climate forecasts. This ...

Xingang Fan

2009-07-01T23:59:59.000Z

102

An Immersed Boundary Method for the Weather Research and Forecasting Model  

Science Conference Proceedings (OSTI)

This paper describes an immersed boundary method that facilitates the explicit resolution of complex terrain within the Weather Research and Forecasting (WRF) model. Mesoscale models, such as WRF, are increasingly used for high-resolution ...

Katherine A. Lundquist; Fotini Katopodes Chow; Julie K. Lundquist

2010-03-01T23:59:59.000Z

103

The Value of Wind Profiler Data in U.S. Weather Forecasting  

Science Conference Proceedings (OSTI)

An assessment of the value of data from the NOAA Profiler Network (NPN) on weather forecasting is presented. A series of experiments was conducted using the Rapid Update Cycle (RUC) model/assimilation system in which various data sources were ...

Stanley G. Benjamin; Barry E. Schwartz; Steven E. Koch; Edward J. Szoke

2004-12-01T23:59:59.000Z

104

The Sydney 2000 World Weather Research Programme Forecast Demonstration Project: Overview and Current Status  

Science Conference Proceedings (OSTI)

The first World Weather Research Programme (WWRP) Forecast Demonstration Project (FDP), with a focus on nowcasting, was conducted in Sydney, Australia, from 4 September to 21 November 2000 during a period associated with the Sydney 2000 Olympic ...

T. Keenan; P. Joe; J. Wilson; C. Collier; B. Golding; D. Burgess; P. May; C. Pierce; J. Bally; A. Crook; A. Seed; D. Sills; L. Berry; R. Potts; I. Bell; N. Fox; E. Ebert; M. Eilts; K. O'Loughlin; R. Webb; R. Carbone; K. Browning; R. Roberts; C. Mueller

2003-08-01T23:59:59.000Z

105

Exploring Variations in People’s Sources, Uses, and Perceptions of Weather Forecasts  

Science Conference Proceedings (OSTI)

Past research has shown that individuals vary in their attitudes and behaviors regarding weather forecast information. To deepen knowledge about these variations, this article explores 1) patterns in people’s sources, uses, and perceptions of ...

Julie L. Demuth; Jeffrey K. Lazo; Rebecca E. Morss

2011-07-01T23:59:59.000Z

106

Probabilistic Forecasts of (Severe) Thunderstorms for the Purpose of Issuing a Weather Alarm in the Netherlands  

Science Conference Proceedings (OSTI)

The development and verification of a new model output statistics (MOS) system is described; this system is intended to help forecasters decide whether a weather alarm for severe thunderstorms, based on high total lightning intensity, should be ...

Maurice J. Schmeits; Kees J. Kok; Daan H. P. Vogelezang; Rudolf M. van Westrhenen

2008-12-01T23:59:59.000Z

107

Winter Weather Forecasting throughout the Eastern United States. Part I: An Overview  

Science Conference Proceedings (OSTI)

The complex combination of synoptic- and mesoscale interactions topographic influences, and large population densities poses a multitude of challenging problems to winter weather forecasters throughout the eastern United States. Over the years, ...

George J. Maglaras; Jeff S. Waldstreicher; Paul J. Kocin; Anthony F. Gigi; Robert A. Marine

1995-03-01T23:59:59.000Z

108

Hydrometeorological Accuracy Enhancement via Postprocessing of Numerical Weather Forecasts in Complex Terrain  

Science Conference Proceedings (OSTI)

Statistical postprocessing techniques such as model output statistics are used by national weather centers to improve the skill of numerical forecasts. However, many of these techniques require an extensive database to develop, maintain, and ...

Doug McCollor; Roland Stull

2008-02-01T23:59:59.000Z

109

Use of Medium-Range Numerical Weather Prediction Model Output to Produce Forecasts of Streamflow  

Science Conference Proceedings (OSTI)

This paper examines an archive containing over 40 years of 8-day atmospheric forecasts over the contiguous United States from the NCEP reanalysis project to assess the possibilities for using medium-range numerical weather prediction model output ...

Martyn P. Clark; Lauren E. Hay

2004-02-01T23:59:59.000Z

110

Predicting Cloud-to-Ground and Intracloud Lightning in Weather Forecast Models  

Science Conference Proceedings (OSTI)

A new prognostic, spatially and temporally dependent variable is introduced to the Weather Research and Forecasting Model (WRF). This variable is called the potential electrical energy (Ep). It was used to predict the dynamic contribution of the ...

Barry H. Lynn; Yoav Yair; Colin Price; Guy Kelman; Adam J. Clark

2012-12-01T23:59:59.000Z

111

High-Resolution Weather Forecasting over Complex Orography: Sensitivity to the Assimilation of Conventional Data  

Science Conference Proceedings (OSTI)

Weather forecasting for regions with complex orography, as the Alps, presents several challenges and the task becomes even more difficult when high resolution is required. Moreover, for the Alpine region, some of the problems are due to the lack ...

Claudia Faccani; Rossella Ferretti; Guido Visconti

2003-01-01T23:59:59.000Z

112

Numerical Prediction of an Antarctic Severe Wind Event with the Weather Research and Forecasting (WRF) Model  

Science Conference Proceedings (OSTI)

This study initiates the application of the maturing Weather Research and Forecasting (WRF) model to the polar regions in the context of the real-time Antarctic Mesoscale Prediction System (AMPS). The behavior of the Advanced Research WRF (ARW) ...

Jordan G. Powers

2007-09-01T23:59:59.000Z

113

A Strategy for Verification of Weather Element Forecasts from an Ensemble Prediction System  

Science Conference Proceedings (OSTI)

Using a Bayesian context, new measures of accuracy and skill are proposed to verify weather element forecasts from ensemble prediction systems (EPSs) with respect to individual observations. The new scores are in the form of probabilities of ...

Laurence J. Wilson; William R. Burrows; Andreas Lanzinger

1999-06-01T23:59:59.000Z

114

A Weather and Climate Enterprise Strategic Implementation Plan for Generating and Communicating Forecast Uncertainty Information  

Science Conference Proceedings (OSTI)

The American Meteorological Society (AMS) Weather and Climate Enterprise Strategic Implementation Plan for Generating and Communicating Forecast Uncertainty (the Plan) is summarized. The Plan (available on the AMS website at www.ametsoc.org/boardpges/cwce/...

Paul A. Hirschberg; Elliot Abrams; Andrea Bleistein; William Bua; Luca Delle Monache; Thomas W. Dulong; John E. Gaynor; Bob Glahn; Thomas M. Hamill; James A. Hansen; Douglas C. Hilderbrand; Ross N. Hoffman; Betty Hearn Morrow; Brenda Philips; John Sokich; Neil Stuart

2011-12-01T23:59:59.000Z

115

Toward a Combined Seasonal Weather and Crop Productivity Forecasting System: Determination of the Working Spatial Scale  

Science Conference Proceedings (OSTI)

A methodology is presented for the development of a combined seasonal weather and crop productivity forecasting system. The first stage of the methodology is the determination of the spatial scale(s) on which the system could operate; this ...

A. J. Challinor; J. M. Slingo; T. R. Wheeler; P. Q. Craufurd; D. I. F. Grimes

2003-02-01T23:59:59.000Z

116

An Overview of the 2010 Hazardous Weather Testbed Experimental Forecast Program Spring Experiment  

Science Conference Proceedings (OSTI)

The NOAA Hazardous Weather Testbed (HWT) conducts annual spring forecasting experiments organized by the Storm Prediction Center and National Severe Storms Laboratory to test and evaluate emerging scientific concepts and technologies for improved analysis ...

Adam J. Clark; Steven J. Weiss; John S. Kain; Israel L. Jirak; Michael Coniglio; Christopher J. Melick; Christopher Siewert; Ryan A. Sobash; Patrick T. Marsh; Andrew R. Dean; Ming Xue; Fanyou Kong; Kevin W. Thomas; Yunheng Wang; Keith Brewster; Jidong Gao; Xuguang Wang; Jun Du; David R. Novak; Faye E. Barthold; Michael J. Bodner; Jason J. Levit; C. Bruce Entwistle; Tara L. Jensen; James Correia Jr.

2012-01-01T23:59:59.000Z

117

Weather Swap Pricing and the Optimal Size for Medium-Range Forecast Ensembles  

Science Conference Proceedings (OSTI)

Weather swap pricing involves predicting the mean temperature for the current month with the highest possible accuracy. The more days of skillful forecasts that are available, the better the monthly mean can be predicted. The ensemble mean of a ...

Stephen Jewson; Christine Ziehmann

2003-08-01T23:59:59.000Z

118

Winter Weather Forecasting throughout the Eastern United States. Part II: An Operational Perspective of Cyclogenesis  

Science Conference Proceedings (OSTI)

The complex combination of synoptic and mesoscale interactions, topographic influences, and large population densities poses a multitude of challenging problems to winter weather forecasters throughout the eastern United States. Over the years, ...

James J. Gurka; Eugene P. Auciello; Anthony F. Gigi; Jeff S. Waldstreicher; Kermit K. Keeter; Steven Businger; Laurence G. Lee

1995-03-01T23:59:59.000Z

119

Value of medium range weather forecasts in the improvement of seasonal hydrologic prediction skill  

SciTech Connect

We investigated the contribution of medium range weather forecasts with lead times up to 14 days to seasonal hydrologic prediction skill over the Conterminous United States (CONUS). Three different Ensemble Streamflow Prediction (ESP)-based experiments were performed for the period 1980-2003 using the Variable Infiltration Capacity (VIC) hydrology model to generate forecasts of monthly runoff and soil moisture (SM) at lead-1 (first month of the forecast period) to lead-3. The first experiment (ESP) used a resampling from the retrospective period 1980-2003 and represented full climatological uncertainty for the entire forecast period. In the second and third experiments, the first 14 days of each ESP ensemble member were replaced by either observations (perfect 14-day forecast) or by a deterministic 14-day weather forecast. We used Spearman rank correlations of forecasts and observations as the forecast skill score. We estimated the potential and actual improvement in baseline skill as the difference between the skill of experiments 2 and 3 relative to ESP, respectively. We found that useful runoff and SM forecast skill at lead-1 to -3 months can be obtained by exploiting medium range weather forecast skill in conjunction with the skill derived by the knowledge of initial hydrologic conditions. Potential improvement in baseline skill by using medium range weather forecasts, for runoff (SM) forecasts generally varies from 0 to 0.8 (0 to 0.5) as measured by differences in correlations, with actual improvement generally from 0 to 0.8 of the potential improvement. With some exceptions, most of the improvement in runoff is for lead-1 forecasts, although some improvement in SM was achieved at lead-2.

Shukla, Shraddhanand; Voisin, Nathalie; Lettenmaier, D. P.

2012-08-15T23:59:59.000Z

120

Comparative Evaluation of Weather Forecasting Systems: Sufficiency, Quality, and Accuracy  

Science Conference Proceedings (OSTI)

The concept of sufficiency, originally introduced in the context of the comparison of statistical experiments, has recently been shown to provide a coherent basis for comparative evaluation of forecasting systems. Specifically, forecasting system ...

Martin Ehrendorfer; Allan H. Murphy

1988-09-01T23:59:59.000Z

Note: This page contains sample records for the topic "global weather forecast" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


121

Evaluating the Cloud Cover Forecast of NCEP Global Forecast System with Satellite Observation  

E-Print Network (OSTI)

To assess the quality of daily cloud cover forecast generated by the operational global numeric model, the NCEP Global Forecast System (GFS), we compose a large sample with outputs from GFS model and satellite observations from the International Satellite Cloud Climatology Project (ISCCP) in the period of July 2004 to June 2008, to conduct a quantitative and systematic assessment of the performance of a cloud model that covers a relatively long range of time, basic cloud types, and in a global view. The evaluation has revealed the goodness of the model forecast, which further illustrates our completeness on understanding cloud generation mechanism. To quantity the result, we found a remarkably high correlation between the model forecasts and the satellite observations over the entire globe, with mean forecast error less than 15% in most areas. Considering a forecast within 30% difference to the observation to be a "good" one, we find that the probability for the GFS model to make good forecasts varies between...

Ye, Quanzhi

2011-01-01T23:59:59.000Z

122

Short-Term Ice Accretion Forecasts for Electric Utilities Using the Weather Research and Forecasting Model and a Modified Precipitation-Type Algorithm  

Science Conference Proceedings (OSTI)

The Weather Research and Forecasting model (WRF) is used to provide 6–12-h forecasts of the necessary input parameters to a separate algorithm that determines the most likely precipitation type at each model grid point. In instances where ...

Arthur T. DeGaetano; Brian N. Belcher; Pamela L. Spier

2008-10-01T23:59:59.000Z

123

Value of Probabilistic Weather Forecasts: Assessment by Real-Time Optimization of Irrigation Scheduling  

SciTech Connect

This paper presents a modeling framework for real-time decision support for irrigation scheduling using the National Oceanic and Atmospheric Administration's (NOAA's) probabilistic rainfall forecasts. The forecasts and their probability distributions are incorporated into a simulation-optimization modeling framework. In this study, modeling irrigation is determined by a stochastic optimization program based on the simulated soil moisture and crop water-stress status and the forecasted rainfall for the next 1-7 days. The modeling framework is applied to irrigated corn in Mason County, Illinois. It is found that there is ample potential to improve current farmers practices by simply using the proposed simulation-optimization framework, which uses the present soil moisture and crop evapotranspiration information even without any forecasts. It is found that the values of the forecasts vary across dry, normal, and wet years. More significant economic gains are found in normal and wet years than in dry years under the various forecast horizons. To mitigate drought effect on crop yield through irrigation, medium- or long-term climate predictions likely play a more important role than short-term forecasts. NOAA's imperfect 1-week forecast is still valuable in terms of both profit gain and water saving. Compared with the no-rain forecast case, the short-term imperfect forecasts could lead to additional 2.4-8.5% gain in profit and 11.0-26.9% water saving. However, the performance of the imperfect forecast is only slightly better than the ensemble weather forecast based on historical data and slightly inferior to the perfect forecast. It seems that the 1-week forecast horizon is too limited to evaluate the role of the various forecast scenarios for irrigation scheduling, which is actually a seasonal decision issue. For irrigation scheduling, both the forecast quality and the length of forecast time horizon matter. Thus, longer forecasts might be necessary to evaluate the role of forecasts for irrigation scheduling in a more effective way.

Cai, Ximing; Hejazi, Mohamad I.; Wang, Dingbao

2011-09-29T23:59:59.000Z

124

Ensemble Data Assimilation with the NCEP Global Forecast System  

Science Conference Proceedings (OSTI)

Real-data experiments with an ensemble data assimilation system using the NCEP Global Forecast System model were performed and compared with the NCEP Global Data Assimilation System (GDAS). All observations in the operational data stream were ...

Jeffrey S. Whitaker; Thomas M. Hamill; Xue Wei; Yucheng Song; Zoltan Toth

2008-02-01T23:59:59.000Z

125

Mesoscale Modeling for Mountain Weather Forecasting Over the Himalayas  

Science Conference Proceedings (OSTI)

Severe weather has a more calamitous effect in the mountainous region-because the terrain is complex and the economy is poorly developed and fragile. Such weather systems occurring on a small spatiotemporal scale invite application of models with ...

Someshwar Das; S. V. Singh; E. N. Rajagopal; Robert Gall

2003-09-01T23:59:59.000Z

126

Weather Impacts, Forecasts, and Policy: An Integrated Perspective  

Science Conference Proceedings (OSTI)

Society invests considerable resources into the science and technology of weather services. In order to effectively assess the market for weather services, and thus properly scale the level of resources that, for example, the U.S. Congress or a ...

Roger Pielke Jr.; R. E. Carbone

2002-03-01T23:59:59.000Z

127

California hydro forecast declines on dry weather - Today ...  

U.S. Energy Information Administration (EIA)

Includes hydropower, solar, wind, geothermal, biomass and ethanol. Nuclear & Uranium. ... Updated March 5, 2013, to reflect weather developments.

128

Application of a medium-range global hydrologic probabilistic forecast scheme to the Ohio River Basin  

Science Conference Proceedings (OSTI)

A 10-day globally applicable flood prediction scheme was evaluated using the Ohio River basin as a test site for the period 2003-2007. The Variable Infiltration Capacity (VIC) hydrology model was initialized with the European Centre for Medium Range Weather Forecasts (ECMWF) analysis temperatures and wind, and Tropical Rainfall Monitoring Mission Multi Satellite Precipitation Analysis (TMPA) precipitation up to the day of forecast. In forecast mode, the VIC model was then forced with a calibrated and statistically downscaled ECMWF ensemble prediction system (EPS) 10-day ensemble forecast. A parallel set up was used where ECMWF EPS forecasts were interpolated to the spatial scale of the hydrology model. Each set of forecasts was extended by 5 days using monthly mean climatological variables and zero precipitation in order to account for the effect of initial conditions. The 15-day spatially distributed ensemble runoff forecasts were then routed to four locations in the basin, each with different drainage areas. Surrogates for observed daily runoff and flow were provided by the reference run, specifically VIC simulation forced with ECMWF analysis fields and TMPA precipitation fields. The flood prediction scheme using the calibrated and downscaled ECMWF EPS forecasts was shown to be more accurate and reliable than interpolated forecasts for both daily distributed runoff forecasts and daily flow forecasts. Initial and antecedent conditions dominated the flow forecasts for lead times shorter than the time of concentration depending on the flow forecast amounts and the drainage area sizes. The flood prediction scheme had useful skill for the 10 following days at all sites.

Voisin, Nathalie; Pappenberger, Florian; Lettenmaier, D. P.; Buizza, Roberto; Schaake, John

2011-08-15T23:59:59.000Z

129

Forecasting the Skill of a Regional Numerical Weather Prediction Model  

Science Conference Proceedings (OSTI)

It is demonstrated that the skill of short-term regional numerical forecasts can be predicted on a day-to-day basis. This was achieved by using a statistical regression scheme with the model forecast errors (MFE) as the predictands and the ...

L. M. Leslie; K. Fraedrich; T. J. Glowacki

1989-03-01T23:59:59.000Z

130

The Impact of Advanced Nowcasting Systems on Severe Weather Warning during the Sydney 2000 Forecast Demonstration Project: 3 November 2000  

Science Conference Proceedings (OSTI)

One of the principal aims of the Sydney 2000 Forecast Demonstration Project was to assess the utility of advanced nowcasting systems to operational severe weather forecasters. This paper describes the application of the products of a variety of ...

Neil I. Fox; Rob Webb; John Bally; Michael W. Sleigh; Clive E. Pierce; David M. L. Sills; Paul I. Joe; James Wilson; Chris G. Collier

2004-02-01T23:59:59.000Z

131

The Weather Information and Skill Experiment (WISE): The Effect of Varying Levels of Information on Forecast Skill  

Science Conference Proceedings (OSTI)

The relationship between the quality and quantity of information available to meteorologists and the skill of their forecasts was investigated. Twelve meteorologists were asked to make probabilistic forecasts of significant and severe weather ...

Kenneth F. Heideman; Thomas R. Stewart; William R. Moninger; Patricia Reagan-Cirincione

1993-03-01T23:59:59.000Z

132

Weather Classification Using Passive Acoustic Drifters  

Science Conference Proceedings (OSTI)

Weather observations are needed in remote oceanic regions to support numerical weather forecast models, to provide surface truth for satellite sensors, and to help understand global weather patterns. An acoustic mini-drifting buoy using no moving ...

Jeffrey A. Nystuen; Harry D. Selsor

1997-06-01T23:59:59.000Z

133

Data Assimilation in Weather Forecasting: A Case Study in PDE ...  

E-Print Network (OSTI)

Variational data assimilation is used at major weather prediction centers to ..... the model of some physical processes such as convection, solar radiation, and.

134

California hydro forecast declines on dry weather - Today in ...  

U.S. Energy Information Administration (EIA)

California hydroelectric generators are found along different river basins, and the weather patterns can be significantly different between the two regions, ...

135

Odds Ratio Forecasts Increase Precautionary Action for Extreme Weather Events  

Science Conference Proceedings (OSTI)

What is the best way to communicate the risk of rare but extreme weather to the public? One suggestion is to communicate the relative risk of extreme weather in the form of odds ratios; but, to the authors’ knowledge, this suggestion has never ...

Jared LeClerc; Susan Joslyn

2012-10-01T23:59:59.000Z

136

Forecasting the space weather impact: The COMESEP project  

Science Conference Proceedings (OSTI)

The FP7 COronal Mass Ejections and Solar Energetic Particles (COMESEP) project is developing tools for forecasting geomagnetic storms and solar energetic particle (SEP) radiation storms. By analysis of historical data

N. B. Crosby; A. Veronig; E. Robbrecht; B. Vrsnak; S. Vennerstrom; O. Malandraki; S. Dalla; L. Rodriguez; N. Srivastava; M. Hesse; D. Odstrcil; COMESEP Consortium

2012-01-01T23:59:59.000Z

137

Evaluation of the Added Value of Regional Ensemble Forecasts on Global Ensemble Forecasts  

Science Conference Proceedings (OSTI)

The regional single-model-based Aire Limitée Adaptation Dynamique Développement International–Limited Area Ensemble Forecasting (ALADIN-LAEF) ensemble prediction system (EPS) is evaluated and compared with the global ECMWF-EPS to investigate the ...

Yong Wang; Simona Tascu; Florian Weidle; Karin Schmeisser

2012-08-01T23:59:59.000Z

138

Description of the NMC Global Data Assimilation and Forecast System  

Science Conference Proceedings (OSTI)

The National Meteorological Center's (NMC) Global Data Assimilation and Forecast System is described in some detail. The system consists of 1) preprocessing of the initial guess, 2) optimum interpolation objective analysis, 3) update of the ...

Masao Kanamitsu

1989-09-01T23:59:59.000Z

139

Application of Transilient Turbulence Theory to Mesoscale Numerical Weather Forecasting  

Science Conference Proceedings (OSTI)

In this study we show that a unified turbulence parameterization, when divorced from the smoothing procedures needed for numerical stability of the host model, can be implemented in a numerical weather prediction model. Our host model is the 15-...

William H. Raymond; Roland B. Stull

1990-12-01T23:59:59.000Z

140

Global Numerical Weather Prediction at the National Meteorological Center  

Science Conference Proceedings (OSTI)

In this paper we describe the global numerical weather prediction system of the National Meteorological Center, and review recent improvements, the evolution in skill, and current research projects and plans.

E. Kalnay; M. Kanamitsu; W. E. Baker

1990-10-01T23:59:59.000Z

Note: This page contains sample records for the topic "global weather forecast" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


141

NatioNal aNd Global Forecasts West VirGiNia ProFiles aNd Forecasts  

E-Print Network (OSTI)

· NatioNal aNd Global Forecasts · West VirGiNia ProFiles aNd Forecasts · eNerGy · Healt;#12;Copyright ©2012 by WVU Research Corporation Unless otherwise noted, data used for this forecast is from IHS Population 2 GlOBAl OUTlOOk 3 Current Trends 3 Forecast 6 UNITED STATES OUTlOOk 9 Global and United States

Mohaghegh, Shahab

142

Diagnosis and Correction of Systematic Humidity Error in a Global Numerical Weather Prediction Model  

Science Conference Proceedings (OSTI)

Accuracy of humidity forecasts has been considered relatively unimportant to much of the operational numerical weather prediction (NWP) community. However, the U.S. Air Force is interested in accurate water vapor and cloud forecasts as end ...

Donald C. Norquist; Sam S. Chang

1994-11-01T23:59:59.000Z

143

Performance of the Weather Research and Forecasting Model for Month-Long Pan-Arctic Simulations  

Science Conference Proceedings (OSTI)

The performance of the Weather Research and Forecasting (WRF) model was evaluated for month-long simulations over a large pan-Arctic model domain. The evaluation of seven different WRF (version 3.1) configurations for four months (January, April, ...

John J. Cassano; Matthew E. Higgins; Mark W. Seefeldt

2011-11-01T23:59:59.000Z

144

Energy estimator for weather forecasts dynamic power management of wireless sensor networks  

Science Conference Proceedings (OSTI)

Emerging Wireless Sensor Networks (WSN) consist of spatially distributed autonomous sensors. Although an embedded battery has limited autonomy, most WSNs outperform this drawback by harvesting ambient energy from the environment. Nevertheless, this external ... Keywords: design tools, dynamic power management, weather forecasts, wireless sensor networks

Nicolas Ferry; Sylvain Ducloyer; Nathalie Julien; Dominique Jutel

2011-09-01T23:59:59.000Z

145

A Weather Forecasting System using concept of Soft Computing: a new approach  

Science Conference Proceedings (OSTI)

Weather forecasting and warnings are the major services provided by the meteorological profession. Many government and private agencies are working on its behavior but still it is challenging and incomplete. We propose a new technique to construct the learning set of images

A. Sharma; U. Datta

2007-01-01T23:59:59.000Z

146

20th Century Global Weather Reanalysis Project at NERSC  

NLE Websites -- All DOE Office Websites (Extended Search)

20th Century 20th Century Reanalysis Project 20th Century Reanalysis Project Key Challenges: Assimilate historical weather observations from sources as diverse as 19th century sea captains and turn of the century explorers and medical doctors, to reconstruct a comprehensive global atmospheric circulation dataset in six-hour intervals from 1871 to the present. Use this dataset to analyze (and reanalyze) global weather conditions over that period of time. Why it Matters: Using historical climate data will help us understand current weather patterns, especially for extreme weather events. It will help explain climate variations that may have misinformed early-century policy decisions and will provide an important validation check on climate models being used to make 21st-century climate projections. Results from

147

RACORO Forecasting  

NLE Websites -- All DOE Office Websites (Extended Search)

Weather Briefings Observed Weather Cloud forecasting models BUFKIT forecast soundings + guidance from Norman NWS enhanced pages and discussions NAM-WRF updated...

148

The Skill of Precipitation and Surface Temperature Forecasts by the NMC Global Model during DERF II  

Science Conference Proceedings (OSTI)

This study assesses the skill of forecasts of precipitation and surface temperature by the National Meteorological Center's (NMC) global model in the 108 consecutive 30-day forecasts [known as Dynamical Extended Range Forecast II (DERF II)] that ...

Glenn H. White; Eugenia Kalnay; Rodney Gardner; Masao Kanamitsu

1993-03-01T23:59:59.000Z

149

Real &me numerical forecast of global epidemic spreading using large-scale computa&onal models  

E-Print Network (OSTI)

Real &me numerical forecast of global epidemic spreading using large conditions). Forecast = best prediction given the present knowledge on the system. Projection = attempt functionalities) #12;Real time forecast for the H1N1pdm (2009) Key parameters

Cattuto, Ciro

150

Application of the Weather Research and Forecasting Model for Air Quality Modeling in the San Francisco Bay Area  

Science Conference Proceedings (OSTI)

The Weather Research and Forecasting (WRF) model is evaluated by conducting various sensitivity experiments over central California including the San Francisco Bay Area (SFBA), with the goal of establishing a WRF model configuration to be used by ...

Raphael E. Rogers; Aijun Deng; David R. Stauffer; Brian J. Gaudet; Yiqin Jia; Su-Tzai Soong; Saffet Tanrikulu

2013-09-01T23:59:59.000Z

151

Application of the Weather Research and Forecasting Model for Air Quality Modeling in the San Francisco Bay Area  

Science Conference Proceedings (OSTI)

The Weather Research and Forecasting (WRF) model is evaluated by conducting various sensitivity experiments over central California (CA) including the San Francisco Bay Area (SFBA), with the goal of establishing a WRF model configuration to be ...

Raphael E. Rogers; Aijun Deng; David R. Stauffer; Brian J. Gaudet; Yiqin Jia; Su-Tzai Soong; Saffet Tanrikulu

152

Resolved turbulence characteristics in large-eddy simulations nested within mesoscale simulations using the Weather Research and Forecasting model  

Science Conference Proceedings (OSTI)

One-way concurrent nesting within the Weather Research and Forecasting (WRF) model is examined for conducting large-eddy simulations (LES) nested within mesoscale simulations. Wind speed, spectra, and resolved turbulent stresses and turbulence ...

Jeff Mirocha; Branko Kosovi?; Gokhan Kirkil

153

Analysis of Idealized Tropical Cyclone Simulations Using the Weather Research and Forecasting Model: Sensitivity to Turbulence Parameterization and Grid Spacing  

Science Conference Proceedings (OSTI)

The Weather Research and Forecasting Advanced Research Model (WRF-ARW) was used to perform idealized tropical cyclone (TC) simulations, with domains of 36-, 12-, and 4-km horizontal grid spacing. Tests were conducted to determine the sensitivity ...

Kevin A. Hill; Gary M. Lackmann

2009-02-01T23:59:59.000Z

154

Operational Implementation of the ISBA Land Surface Scheme in the Canadian Regional Weather Forecast Model. Part I: Warm Season Results  

Science Conference Proceedings (OSTI)

The summertime improvement resulting from the operational implementation of a new surface modeling and assimilation strategy into the Canadian regional weather forecasting system is described in this study. The surface processes over land are ...

Stéphane Bélair; Louis-Philippe Crevier; Jocelyn Mailhot; Bernard Bilodeau; Yves Delage

2003-04-01T23:59:59.000Z

155

Ensemble-Based Exigent Analysis. Part I: Estimating Worst-Case Weather-Related Forecast Damage Scenarios  

Science Conference Proceedings (OSTI)

Exigent analysis supplements an ensemble forecast of weather-related damage with a map of the worst-case scenario (WCS), a multivariate confidence bound of the damage. For multivariate Gaussian ensembles, ensemble-based exigent analysis uses a ...

Daniel Gombos; Ross N. Hoffman

2013-06-01T23:59:59.000Z

156

Evaluating Weather Research and Forecasting (WRF) Model Predictions of Turbulent Flow Parameters in a Dry Convective Boundary Layer  

Science Conference Proceedings (OSTI)

Weather Research and Forecasting (WRF) model predictions using different boundary layer schemes and horizontal grid spacings were compared with observational and numerical large-eddy simulation data for conditions corresponding to a dry ...

Jeremy A. Gibbs; Evgeni Fedorovich; Alexander M. J. van Eijk

2011-12-01T23:59:59.000Z

157

Development and Evaluation of a Coupled Photosynthesis-Based Gas Exchange Evapotranspiration Model (GEM) for Mesoscale Weather Forecasting Applications  

Science Conference Proceedings (OSTI)

Current land surface schemes used for mesoscale weather forecast models use the Jarvis-type stomatal resistance formulations for representing the vegetation transpiration processes. The Jarvis scheme, however, despite its robustness, needs ...

Dev Niyogi; Kiran Alapaty; Sethu Raman; Fei Chen

2009-02-01T23:59:59.000Z

158

An evaluation of tropical cyclone genesis forecasts from global numerical models  

Science Conference Proceedings (OSTI)

Tropical cyclone (TC) forecasts rely heavily on output from global numerical models. While some research has investigated the skill of various models with respect to track and intensity, few studies have considered how well global models forecast ...

Daniel J. Halperin; Henry E. Fuelberg; Robert E. Hart; Joshua H. Cossuth; Philip Sura; Richard J. Pasch

159

Southern Hemisphere Medium-Range Forecast Skill and Predictability: A Comparison of Two Operational Models  

Science Conference Proceedings (OSTI)

The skill of two global numerical weather prediction models, the National Centers for Environmental Prediction (NCEP) medium-range forecast model and the European Centre for Medium-Range Weather Forecasts (ECMWF) operational model, has been ...

James A. Renwick; Craig S. Thompson

2001-09-01T23:59:59.000Z

160

Application of Forecast Verification Science to Operational River Forecasting in the U.S. National Weather Service  

Science Conference Proceedings (OSTI)

Forecast verification in operational hydrology has been very limited to date, mainly due to the complexity of verifying both forcing input forecasts and hydrologic forecasts on multiple space–time scales. However, forecast verification needs to ...

Julie Demargne; Mary Mullusky; Kevin Werner; Thomas Adams; Scott Lindsey; Noreen Schwein; William Marosi; Edwin Welles

2009-06-01T23:59:59.000Z

Note: This page contains sample records for the topic "global weather forecast" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


161

Great Historical Events That Were Significantly Affected by the Weather: Part 8, Germany's War on the Soviet Union, 1941-45. II. Some Important Weather Forecasts, 1942-45  

Science Conference Proceedings (OSTI)

Short- to medium-range weather forecasts were prepared by Soviet meteorologists for the Battle of Stalingrad. These included forecasts for days suitable for massing troops and equipment and for starting the Soviet offensive in November 1942 that ...

J. Neumann; H. Flohn

1988-07-01T23:59:59.000Z

162

Weather Forecasts by the WRF-ARW Model with the GSI Data Assimilation System in the Complex Terrain Areas of Southwest Asia  

Science Conference Proceedings (OSTI)

This paper will first describe the forecasting errors encountered from running the National Center for Atmospheric Research (NCAR) mesoscale model (the Advanced Research Weather Research and Forecasting model; ARW) in the complex terrain of ...

J. Xu; S. Rugg; L. Byerle; Z. Liu

2009-08-01T23:59:59.000Z

163

Patterns of Land Surface Errors and Biases in the Global Forecast System  

Science Conference Proceedings (OSTI)

One year’s worth of Global Forecast System (GFS) predictions of surface meteorological variables (wind speed, air temperature, dewpoint temperature, sea level pressure) are validated for land-based stations over the entire planet for forecasts ...

David Werth; Alfred Garrett

2011-05-01T23:59:59.000Z

164

Potential of 4d-VAR for exigent forecasting of severe weather  

E-Print Network (OSTI)

Severe storms, tropical cyclones, and associated tornadoes, floods, lightning, and microbursts threaten life and property. Reliable, precise, and accurate alerts of these phenomena can trigger defensive actions and preparations. However, these crucial weather phenomena are difficult to forecast. The objective of this paper is to demonstrate the potential of 4d-VAR (four dimensional variational data assimilation) for exigent forecasting (XF) of severe storm precursors and to thereby characterize the probability of a worst-case scenario. 4d-VAR is designed to adjust the initial conditions (IC) of a numerical weather prediction model consistent with the uncertainty of the prior estimate of the IC while at the same time minimizing the misfit to available observations. For XF the same approach is taken but instead of fitting observations, a measure of damage or loss or an equivalent proxy is maximized or minimized. To accomplish this will require development of a specialized cost function for 4d-VAR. When 4d-VAR s...

Hoffman, Ross N; Nehrkorn, Thomas

2011-01-01T23:59:59.000Z

165

Weather Research and Forecasting Model's Community Variational/Ensemble Data Assimilation System: WRFDA  

Science Conference Proceedings (OSTI)

Data assimilation is the process by which observations are combined with short-range NWP model output to produce an analysis of the state of the atmosphere at a specified time. Since its inception in the late 1990s, the multiagency Weather Research and Forecasting (WRF) model effort has had a strong data assimilation component, dedicating two working groups to the subject. This article documents the history of the WRF data assimilation effort, and discusses the challenges associated with balancing academic, research, and operational data assimilation requirements in the context of the WRF effort to date. The WRF Model's Community Variational/Ensemble Data Assimilation System (WRFDA) has evolved over the past 10 years, and has resulted in over 30 refereed publications to date, as well as implementation in a wide range of real-time and operational NWP systems.

Barker, D.; Huang, X. Y.; Liu, Z. Q.; Auligne, T.; Zhang, X.; Rugg, S.; Ajjaji, R.; Bourgeois, A.; Bray, J.; Chen, Y. S.; Demirtas, M.; Guo, Y. R.; Henderson, T.; Huang, W.; Lin, H. C.; Michalakes, J.; Rizvi, S.; Zhang, X. Y.

2012-06-01T23:59:59.000Z

166

An Evaluation of Tropical Cyclone Genesis Forecasts from Global Numerical Models  

Science Conference Proceedings (OSTI)

Tropical cyclone (TC) forecasts rely heavily on output from global numerical models. While considerable research has investigated the skill of various models with respect to track and intensity, few studies have considered how well global models ...

Daniel J. Halperin; Henry E. Fuelberg; Robert E. Hart; Joshua H. Cossuth; Philip Sura; Richard J. Pasch

2013-12-01T23:59:59.000Z

167

Forecast Issues in the Urban Zone: Report of the 10th Prospectus Development Team of the U.S. Weather Research Program  

Science Conference Proceedings (OSTI)

The 10th Prospectus Development Team (PDT–10) of the U.S. Weather Research Program was charged with identifying research needs and opportunities related to the short–term prediction of weather and air quality in urban forecast zones. Weather has ...

Walter F. Dabberdt; Andrew Crook; Cynthia Mueller; Jeremy Hales; Steven Zubrick; Witold Krajewski; J. Christopher Doran; Clark King; Ronald N. Keener; Robert Bornstein; David Rodenhuis; Paul Kocin; Michael A. Rossetti; Fred Sharrocks; Ellis M. Stanley Sr.

2000-09-01T23:59:59.000Z

168

The Analysis Sensitivity to Tropical Winds from the Global Weather Experiment  

Science Conference Proceedings (OSTI)

The global scale divergent and rotational flow components of the Global Weather Experiment (GWE) are diagnosed from three different analyses of the data. The rotational flow shows closer agreement between the analyses than does the divergent ...

Jan Paegle; Wayman E. Baker; Julia N. Paegle

1986-06-01T23:59:59.000Z

169

Societal and Economic Research and Applications For Weather Forecasts: Priorities for the North American THORPEX Program  

Science Conference Proceedings (OSTI)

Despite the meteorological community's long-term interest in weather–society interactions, efforts to understand socioeconomic aspects of weather prediction and to incorporate this knowledge into the weather prediction system have yet to reach ...

Rebecca E. Morss; Jeffrey K. Lazo; Barbara G. Brown; Harold E. Brooks; Philip T. Ganderton; Brian N. Mills

2008-03-01T23:59:59.000Z

170

Inclusion of biomass burning in WRF-Chem: Impact of wildfires on weather forecasts  

Science Conference Proceedings (OSTI)

A plume rise algorithm for wildfires was included in WRF-Chem, and applied to look at the impact of intense wildfires during the 2004 Alaska wildfire season on weather forecasts using model resolutions of 10km and 2km. Biomass burning emissions were estimated using a biomass burning emissions model. In addition, a 1-D, time-dependent cloud model was used online in WRF-Chem to estimate injection heights as well as the final emission rates. It was shown that with the inclusion of the intense wildfires of the 2004 fire season in the model simulations, the interaction of the aerosols with the atmospheric radiation led to significant modifications of vertical profiles of temperature and moisture in cloud-free areas. On the other hand, when clouds were present, the high concentrations of fine aerosol (PM2.5) and the resulting large numbers of Cloud Condensation Nuclei (CCN) had a strong impact on clouds and microphysics, with decreased precipitation coverage and precipitation amounts during the first 12 hours of the integration, but significantly stronger storms during the afternoon hours.

Grell, G. A.; Freitas, Saulo; Stuefer, Martin; Fast, Jerome D.

2011-06-06T23:59:59.000Z

171

Development of a Limited-Area Model for Operational Weather Forecasting around a Power Plant: The Need for Specialized Forecasts  

Science Conference Proceedings (OSTI)

A hydrostatic meteorological model, “PMETEO,” was developed for short-range forecasts for a high-resolution limited area located in the northwest region of Spain. Initial and lateral boundary conditions are externally provided by a coarse-mesh ...

C. F. Balseiro; M. J. Souto; E. Penabad; J. A. Souto; V. Pérez-Muñuzuri

2002-09-01T23:59:59.000Z

172

From Predicting Solar Activity to Forecasting Space Weather: Practical Examples of Research-to-Operations and Operations-to-Research  

E-Print Network (OSTI)

The successful transition of research to operations (R2O) and operations to research (O2R) requires, above all, interaction between the two communities. We explore the role that close interaction and ongoing communication played in the successful fielding of three separate developments: an observation platform, a numerical model, and a visualization and specification tool. Additionally, we will examine how these three pieces came together to revolutionize interplanetary coronal mass ejection (ICME) arrival forecasts. A discussion of the importance of education and training in ensuring a positive outcome from R2O activity follows. We describe efforts by the meteorological community to make research results more accessible to forecasters and the applicability of these efforts to the transfer of space-weather research.We end with a forecaster "wish list" for R2O transitions. Ongoing, two-way communication between the research and operations communities is the thread connecting it all.

Steenburgh, R A; Millward, G H

2013-01-01T23:59:59.000Z

173

The Societal, Social, and Economic Impacts of the World Weather Research Programme Sydney 2000 Forecast Demonstration Project (WWRP S2000 FDP)  

Science Conference Proceedings (OSTI)

The Sydney 2000 (S2000) Forecast Demonstration Project (FDP) was initiated by the World Meteorological Organization (WMO) World Weather Research Programme (WWRP) to enable the world meteorological community to cooperatively demonstrate advanced ...

Linda Anderson-Berry; Tom Keenan; John Bally; Roger Pielke Jr.; Roy Leigh; David King

2004-02-01T23:59:59.000Z

174

A Comparative Verification of Localized Aviation Model Output Statistics Program (LAMP) and Numerical Weather Prediction (NWP) Model Forecasts of Ceiling Height and Visibility  

Science Conference Proceedings (OSTI)

In an effort to support aviation forecasting, the National Weather Service’s Meteorological Development Laboratory (MDL) has recently redeveloped the Localized Aviation Model Output Statistics (MOS) Program (LAMP) system. LAMP is designed to run ...

David E. Rudack; Judy E. Ghirardelli

2010-08-01T23:59:59.000Z

175

Transition and Equilibration of Neutral Atmospheric Boundary Layer Flow in One-Way Nested Large-Eddy Simulations Using the Weather Research and Forecasting Model  

Science Conference Proceedings (OSTI)

The Weather Research and Forecasting Model permits finescale large-eddy simulations (LES) to be nested within coarser simulations, an approach that can generate more accurate turbulence statistics and improve other aspects of simulated flows. ...

Jeff Mirocha; Gokhan Kirkil; Elie Bou-Zeid; Fotini Katopodes Chow; Branko Kosovi?

2013-03-01T23:59:59.000Z

176

The Challenge of Forecasting Heavy Rain and Flooding throughout the Eastern Region of the National Weather Service. Part I: Characteristics and Events  

Science Conference Proceedings (OSTI)

Heavy rain and flooding are of particular concern to forecasters throughout the eastern and southeastern United States. In this paper, the unique combination of synoptic-scale and mesoscale weather conditions and topographic factors that ...

Kenneth D. Lapenta; Barbara J. McNaught; Steven J. Capriola; Louis A. Giordano; Charles D. Little; Stephen D. Hrebenach; Gary M. Carter; Mario D. Valverde; Derek S. Frey

1995-03-01T23:59:59.000Z

177

Tropical Cyclone Climatology in a 10-km Global Atmospheric GCM: Toward Weather-Resolving Climate Modeling  

Science Conference Proceedings (OSTI)

Northern Hemisphere tropical cyclone (TC) activity is investigated in multiyear global climate simulations with the ECMWF Integrated Forecast System (IFS) at 10-km resolution forced by the observed records of sea surface temperature and sea ice. ...

Julia V. Manganello; Kevin I. Hodges; James L. Kinter III; Benjamin A. Cash; Lawrence Marx; Thomas Jung; Deepthi Achuthavarier; Jennifer M. Adams; Eric L. Altshuler; Bohua Huang; Emilia K. Jin; Cristiana Stan; Peter Towers; Nils Wedi

2012-06-01T23:59:59.000Z

178

The power of weather  

Science Conference Proceedings (OSTI)

Weather information demonstrates predictive power in forecasting electricity prices in day-ahead markets in real time. In particular, next-day weather forecasts improve the forecast accuracy of Scandinavian day-ahead electricity prices in terms of point ... Keywords: Electricity prices, GARCH models, Point and density forecasts, Weather forecasts

Christian Huurman; Francesco Ravazzolo; Chen Zhou

2012-11-01T23:59:59.000Z

179

High-Resolution GFS-Based MOS Quantitative Precipitation Forecasts on a 4-km Grid  

Science Conference Proceedings (OSTI)

The Meteorological Development Laboratory (MDL) of the National Weather Service (NWS) has developed high-resolution Global Forecast System (GFS)-based model output statistics (MOS) 6- and 12-h quantitative precipitation forecast (QPF) guidance on ...

Jerome P. Charba; Frederick G. Samplatsky

2011-01-01T23:59:59.000Z

180

Great Historical Events That Were Significantly Affected by the Weather: Part 8, Germany's War on the Soviet Union, 1941–45. I. Long-range Weather Forecasts for 1941–42 and Climatological Studies  

Science Conference Proceedings (OSTI)

A brief account is given of Baur's long-range weather forecast prepared in the autumn of 1941 for the 1941–42 winter in Eastern Europe. Baur's forecast called for a ‘normal’ or mild winter but the winter turned out to be one of the most severe ...

J. Neumann; H. Flohn

1987-06-01T23:59:59.000Z

Note: This page contains sample records for the topic "global weather forecast" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


181

Shootout-89, A Comparative Evaluation of Knowledge-based Systems That Forecast Severe Weather  

Science Conference Proceedings (OSTI)

During the summer of 1989, the Forecast Systems Laboratory of the National Oceanic and Atmospheric Administration sponsored an evaluation of artificial-intelligence-based systems that forecast severe convective storms. The evaluation experiment, ...

W. R. Moninger; C. Lusk; W. F. Roberts; J. Bullas; Bde Lorenzis; J. C. McLeod; E. Ellison; J. Flueck; P. D. Lampru; K. C. Young; J. Weaver; R. S. Philips; R. Shaw; T. R. Stewart; S. M. Zubrick

1991-09-01T23:59:59.000Z

182

A Reduced Spectral Transform for the NCEP Seasonal Forecast Global Spectral Atmospheric Model  

Science Conference Proceedings (OSTI)

A reduced spectral transformation is applied to the NCEP atmospheric global spectral model for operational seasonal forecasts. The magnitude of the associated Legendre coefficient provides a basis for this new transformation, which is a simple ...

Hann-Ming Henry Juang

2004-04-01T23:59:59.000Z

183

The Description of the Navy Operational Global Atmospheric Prediction System's Spectral Forecast Model  

Science Conference Proceedings (OSTI)

We present a description of the development of the spectral forecast components of the Navy Operational Global Atmospheric Prediction System (NOGAPS). The original system, called 3.0, was introduced in January 1988. New versions were introduced ...

Timothy F. Hogan; Thomas E. Rosmond

1991-08-01T23:59:59.000Z

184

Evaluation of the NCEP Global Forecast System at the ARM SGP Site  

Science Conference Proceedings (OSTI)

This study evaluates the performance of the National Centers for Environmental Prediction Global Forecast System (GFS) against observations made by the U.S. Department of Energy Atmospheric Radiation Measurement (ARM) Program at the southern ...

Fanglin Yang; Hua-Lu Pan; Steven K. Krueger; Shrinivas Moorthi; Stephen J. Lord

2006-12-01T23:59:59.000Z

185

An All-Weather Observational Operator for Radiance Data Assimilation with Mesoscale Forecast Models  

Science Conference Proceedings (OSTI)

Assimilating satellite radiance data under all weather conditions remains an outstanding problem in numerical weather prediction. This study develops an observational operator for use in radiance assimilation under both clear and cloudy ...

Thomas J. Greenwald; Rolf Hertenstein; Tomislava Vuki?evi?

2002-07-01T23:59:59.000Z

186

Tropical Cyclone Formations over the Western North Pacific in the Navy Operational Global Atmospheric Prediction System Forecasts  

Science Conference Proceedings (OSTI)

A set of criteria is developed to identify tropical cyclone (TC) formations in the Navy Operational Global Atmospheric Prediction System (NOGAPS) analyses and forecast fields. Then the NOGAPS forecasts of TC formations from 1997 to 1999 are ...

Kevin K. W. Cheung; Russell L. Elsberry

2002-08-01T23:59:59.000Z

187

An Example of Hurricane Tracking and Forecasting with a Global Analysis-Forecasting System  

Science Conference Proceedings (OSTI)

The tracking of Hurricane Elena by the ECMWF operational analysis system is compared with reported positions from reconnaissance aircraft and coastal radar. An example forecast is shown for the operational model and also for an experimental ...

W. A. Heckley; M. J. Miller; A. K. Betts

1987-03-01T23:59:59.000Z

188

Land–Atmosphere Coupling Strength in the Global Forecast System  

Science Conference Proceedings (OSTI)

The operational coupled land–atmosphere forecast model from the National Centers for Environmental Prediction (NCEP) is evaluated for the strength and characteristics of its coupling in the water cycle between land and atmosphere. Following the ...

Li Zhang; Paul A. Dirmeyer; Jiangfeng Wei; Zhichang Guo; Cheng-Hsuan Lu

2011-02-01T23:59:59.000Z

189

Forecasting Economic and Financial Variables with Global VARs  

E-Print Network (OSTI)

Suppose one were interested in forecasting output growth and inflation across a number of different countries; how would one go about it? What additional variables might help in such forecasting (the oil price comes to mind), and should one also consider... .2. Ideally evaluation is done with a separate sample, though that can often be prohibitively costly, one reason why techniques like cross-validation have considerable appeal. Essentially these first two stages can be considered as trading off bias (build...

Pesaran, M Hashem; Schuermann, Til; Smith, L Vanessa

190

An Evaluation of Precipitation Forecasts from Operational Models and Reanalyses Including Precipitation Variations Associated with MJO Activity  

Science Conference Proceedings (OSTI)

In this paper, the results of an examination of precipitation forecasts for 1–30-day leads from global models run at the European Centre for Medium-Range Weather Forecasts (ECMWF) and the National Centers for Environmental Prediction (NCEP) ...

John E. Janowiak; Peter Bauer; Wanqiu Wang; Phillip A. Arkin; Jon Gottschalck

2010-12-01T23:59:59.000Z

191

Thunderstorm lightning and radar characteristics: insights on electrification and severe weather forecasting  

E-Print Network (OSTI)

Total lightning mapping, along with radar and NLDN cloud-to-ground lightning data, can be used to diagnose the severity of a storm. Analysis of the 13 October 2001 supercell event (Dallas-Fort Worth, Texas), some supercells of which were tornadic, shows that LDAR II lightning source heights (quartile, median, and 95th percentile heights) increased as the storms intensified. Most of the total lightning occurred where reflectivity cores extended upwards and within regions of reflectivity gradient rather than in reflectivity cores. A total lightning hole was associated with an intense, nontornadic supercell on 6 April 2003. This feature was nonexistent from all supercells analyzed during the 13 October case. During tornadogenesis, the radar and LDAR II data indicated updraft weakening. The height of the 30 dBZ radar top began to descend approximately 10 minutes (2 volume scans) before tornado touchdown in one storm. Total lightning and CG flash rates decreased by up to a factor of 5 to a minimum during an F2 tornado touchdown associated with this storm. LDAR II source heights all showed descent by 2-4 km during a 25 minute period prior to and during this tornado touchdown. This drastic trend of decreasing source heights was observed in two tornadic storms prior to and during tornado touchdown, but did not occur in non-tornadic supercells, suggesting that these parameters can be useful to forecasters. These observations agree with tornadogenesis theory that an updraft weakens and the mesocyclone can become divided (composed of both updraft and downdraft) when a storm becomes tornadic. LDAR II source density contours were comma-shaped in association with severe wind events within mesoscale convective systems (MCSs) on 13 October 2001 and 27 May 2002. This signature is similar to the radar reflectivity bow echo. Consistent relationships between severe weather, radar and lightning storm characteristics (i.e., lightning heights) were not found for cells within MCSs as was the case for supercells. Cell interactions within MCSs are believed to weaken these relationships as reflectivity and lightning from nearby storms contaminate the cells of interest. It is also more difficult to clearly define a cell within an MCS.

Steiger, Scott Michael

2005-12-01T23:59:59.000Z

192

Evaluation of a Simple Numerical Model as a Mesoscale Weather Forecasting Tool  

Science Conference Proceedings (OSTI)

During the America's Cup race series of 1986–1987, a numerical sea breeze model was used to assist offshore forecasts. The exercise has provided a detailed insight into the extent to which such a model may assist the forecasting process the ...

P. J. Rye

1989-12-01T23:59:59.000Z

193

Impact of the Different Components of 4DVAR on the Global Forecast System of the Meteorological Service of Canada  

Science Conference Proceedings (OSTI)

A four-dimensional variational data assimilation (4DVAR) scheme has recently been implemented in the medium-range weather forecast system of the Meteorological Service of Canada (MSC). The new scheme is now composed of several additional and ...

Stéphane Laroche; Pierre Gauthier; Monique Tanguay; Simon Pellerin; Josée Morneau

2007-06-01T23:59:59.000Z

194

Climate-Weather Modeling Studies Using a Prototype Global Cloud-System  

NLE Websites -- All DOE Office Websites (Extended Search)

Climate-Weather Modeling Studies Using a Prototype Global Cloud-System Resolving Model Climate-Weather Modeling Studies Using a Prototype Global Cloud-System Resolving Model Climate-Weather Modeling Studies Using a Prototype Global Cloud-System Resolving Model PI Name: Venkatramani Balaji PI Email: balaji@princeton.edu Institution: Geophysical Fluid Dynamics Laboratory Allocation Program: ESP Allocation Hours at ALCF: 150 Million Year: 2010 to 2013 Research Domain: Earth Science We expect our understanding of the role of clouds in climate to undergo a qualitative change as the resolutions of global models begin to encompass clouds. At these resolutions, non-hydrostatic dynamics become significant and deep convective processes are resolved. We are poised at the threshold of being able to run global scale simulations that include direct, non-parameterized, simulations of deep convective clouds. The goal of this

195

The Skill of Extended-Range Extratropical Winter Dynamical Forecasts  

Science Conference Proceedings (OSTI)

The global T42 version of the French numerical weather prediction model has been used to produce monthly mean forecasts. A study based on 21 cases of 44-day forecasts (for winter months from 1983 to 1990) is presented. Nine forecasts in this ...

M. Déquá; J. F. Royer

1992-11-01T23:59:59.000Z

196

The Impact of Analysis Error on Medium-Range Weather Forecasts  

Science Conference Proceedings (OSTI)

All meteorological analyzed fields contain errors, the magnitude of which ultimately determines the point at which a given forecast will fail. Here, the authors explore the extent to which analysis difference fields capture certain aspects of the ...

Kyle L. Swanson; Paul J. Roebber

2008-09-01T23:59:59.000Z

197

MAP D-PHASE: Real-Time Demonstration of Weather Forecast Quality in the Alpine Region  

Science Conference Proceedings (OSTI)

Demonstration of probabilistic hydrological and atmospheric simulation of flood events in the Alpine region (D-PHASE) is made by the Forecast Demonstration Project in connection with the Mesoscale Alpine Programme (MAP). Its focus lies in the end-...

Mathias W. Rotach; Paolo Ambrosetti; Christof Appenzeller; Marco Arpagaus; Lionel Fontannaz; Felix Fundel; Urs Germann; Alessandro Hering; Mark A. Liniger; Marco Stoll; Andre Walser; Felix Ament; Hans-Stefan Bauer; Andreas Behrendt; Volker Wulfmeyer; François Bouttier; Yann Seity; Andrea Buzzi; Silvio Davolio; Matteo Corazza; Michael Denhard; Manfred Dorninger; Theresa Gorgas; Jacqueline Frick; Christoph Hegg; Massimiliano Zappa; Christian Keil; Hans Volkert; Chiara Marsigli; Andrea Montaini; Ron McTaggart-Cowan; Ken Mylne; Roberto Ranzi; Evelyne Richard; Andrea Rossa; Daniel Santos-Muñoz; Christoph Schär; Michael Staudinger; Yong Wang; Johannes Werhahn

2009-09-01T23:59:59.000Z

198

Using a Business Process Model as a Central Organizing Construct for an Undergraduate Weather Forecasting Course  

Science Conference Proceedings (OSTI)

For the last five years, the author has employed a business process model as a central organizing construct for the senior-level Forecasting Techniques course at Embry- Riddle Aeronautical University's Daytona Beach, Florida, campus. The process model ...

John M. Lanicci

2012-05-01T23:59:59.000Z

199

Boater Safety: Communicating Weather Forecast Information to High-Stakes End Users  

Science Conference Proceedings (OSTI)

Recreational boaters in the Pacific Northwest understand that there is uncertainty inherent in deterministic forecasts as well as some of the factors that increase uncertainty. This was determined in an online survey of 166 boaters in the Puget ...

Sonia Savelli; Susan Joslyn

2012-01-01T23:59:59.000Z

200

Computing the Low-Elevation Variant of the Haines Index for Fire Weather Forecasts  

Science Conference Proceedings (OSTI)

The Haines index is used in wildfire forecasting and monitoring to evaluate the potential contributions of atmospheric stability and humidity to the behavior of plume-dominated wildfires. The index has three variants (“low,” “mid,” and “high”) ...

Brian E. Potter; Julie A. Winkler; Dwight F. Wilhelm; Ryan P. Shadbolt; Xindi Bian

2008-02-01T23:59:59.000Z

Note: This page contains sample records for the topic "global weather forecast" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


201

Short-Term Probabilistic Forecasts of Ceiling and Visibility Utilizing High-Density Surface Weather Observations  

Science Conference Proceedings (OSTI)

An automated statistical system that utilizes regional high-density surface observations to forecast low ceiling and visibility events in the upper Midwest is presented. The system is based solely upon surface observations as predictors, ...

Stephen M. Leyton; J. Michael Fritsch

2003-10-01T23:59:59.000Z

202

Distributed Quantitative Precipitation Forecasting Using Information from Radar and Numerical Weather Prediction Models  

Science Conference Proceedings (OSTI)

The benefits of short-term (1–6 h), distributed quantitative precipitation forecasts (DQPFs) are well known. However, this area is acknowledged to be one of the most challenging in hydrometeorology. Previous studies suggest that the “state of the ...

Auroop R. Ganguly; Rafael L. Bras

2003-12-01T23:59:59.000Z

203

Forecast cloudy; The limits of global warming models  

SciTech Connect

This paper reports on climate models used to study global warming. It discusses factors which must be included in climate models, shortcomings of existing climate models, and scenarios for global warming.

Stone, P.H.

1992-02-01T23:59:59.000Z

204

Early Severe Thunderstorm Forecasting and Research by the United States weather Bureau  

Science Conference Proceedings (OSTI)

In the early nineteenth century, fragmentary weather observing networks were established in portions of the United States, primarily to constitute a climatological history. The invention of the telegraph in 1833 and its availability to the public ...

Joseph O. Galway

1992-12-01T23:59:59.000Z

205

The Weather Risk Management Industry's Climate Forecast and Data Needs: A Workshop Report  

Science Conference Proceedings (OSTI)

The National Oceanic and Atmospheric Administration (NOAA), the Risk Prediction Initiative, and the Weather Risk Management Association jointly sponsored a workshop that examined a variety of issues related to climate forecastand data products ...

Richard J. Murnane; Michael Crowe; Allan Eustis; Susan Howard; Judy Koepsell; Robert Leffler; Robert Livezey

2002-08-01T23:59:59.000Z

206

Localized Precipitation Forecasts from a Numerical Weather Prediction Model Using Artificial Neural Networks  

Science Conference Proceedings (OSTI)

Although the resolution of numerical weather prediction models continues to improve, many of the processes that influence precipitation are still not captured adequately by the scales of present operational models, and consequently precipitation ...

Robert J. Kuligowski; Ana P. Barros

1998-12-01T23:59:59.000Z

207

The Importance of Understanding Mesoscale Model Parameterization Schemes for Weather Forecasting  

Science Conference Proceedings (OSTI)

A severe weather outbreak that occurred on 21–23 November 1992 in the southern United States is used to illustrate how an understanding of model parameterization schemes can help in the evaluation and utilization of mesoscale model output. ...

John V. Cortinas Jr.; David J. Stensrud

1995-12-01T23:59:59.000Z

208

Cold Fronts Aloft and the Forecasting of Precipitation and Severe Weather East of the Rocky Mountains  

Science Conference Proceedings (OSTI)

Brief descriptions are given of four cases that illustrate the important role that cold fronts aloft (CFA) can play in producing significant weather cast of the Rocky Mountains. In all four cases, the CFA, and its associated short wave, were ...

Peter V. Hobbs; John D. Locatelli; Jonathan E. Martin

1990-12-01T23:59:59.000Z

209

VISIT: Bringing Training to Weather Service Forecasters Using a New Distance-Learning Tool  

Science Conference Proceedings (OSTI)

What is the National Oceanic and Atmospheric Administration (NOAA) National Weather Service doing in these times of rapidly changing technology and falling budgets to maintain high training standards? One solution used by NOAA's Virtual Institute ...

Anthony Mostek; John Weaver; Dan Bikos; Dan Lindsey; Bard Zajac; Scott Bachmeier; Tom Whittaker; Brian Motta; Brad Grant; Jim LaDue; John Ferree

2004-06-01T23:59:59.000Z

210

Verification of Mesoscale Numerical Weather Forecasts in Mountainous Terrain for Application to Avalanche Prediction  

Science Conference Proceedings (OSTI)

Two high-resolution, real-time, numerical weather prediction (NWP) models are verified against case study observations to quantify their accuracy and skill in the mountainous terrain of western Canada. These models, run daily at the University of ...

Claudia Roeger; Roland Stull; David McClung; Joshua Hacker; Xingxiu Deng; Henryk Modzelewski

2003-12-01T23:59:59.000Z

211

Linear Regime Duration: Is 24 Hours a Long Time in Synoptic Weather Forecasting?  

Science Conference Proceedings (OSTI)

Day-to-day variations in the growth of uncertainty in the current state of the atmosphere have led to operational ensemble weather predictions in which an ensemble of different initial conditions, each perturbed from the best estimate of the ...

Isla Gilmour; Leonard A. Smith; Roberto Buizza

2001-11-01T23:59:59.000Z

212

Use of Information by National Weather Service Forecasters and Emergency Managers during CALJET and PACJET-2001  

Science Conference Proceedings (OSTI)

Winter storms making landfall in western North America can generate heavy precipitation and other significant weather, leading to floods, landslides, and other hazards that cause significant damage and loss of life. To help alleviate these ...

Rebecca E. Morss; F. Martin Ralph

2007-06-01T23:59:59.000Z

213

A Global Numerical Weather Prediction Model with Variable Resolution  

Science Conference Proceedings (OSTI)

A conformal transformation suggested by F. Schmidt is followed to implement a global spectral model with variable resolution. A conformal mapping is defined from a physical sphere (like the earth) to a transformed (computational) sphere. The ...

Vivek Hardiker

1997-01-01T23:59:59.000Z

214

A Global Profiling System for Improved Weather and Climate Prediction  

Science Conference Proceedings (OSTI)

A new long-term global observing system is proposed that would provide routine, detailed vertical profiles of measurements in the atmosphere and oceans. The system, which would need to be designed, developed, and operated by a consortium of ...

Alexander E. MacDonald

2005-12-01T23:59:59.000Z

215

Hydrologic scales, cloud variability, remote sensing, and models: Implications for forecasting snowmelt and streamflow  

E-Print Network (OSTI)

econ. WEATHER AND FORECASTING Environmental decisions (1993seasonal, and WEATHER AND FORECASTING V OLUME 19 spatialfor details. WEATHER AND FORECASTING V OLUME 19 T ABLE 2.

Simpson, James J; Dettinger, M D; Gehrke, F; McIntire, T J; Hufford, G L

2004-01-01T23:59:59.000Z

216

Weather: Project homepage  

NLE Websites -- All DOE Office Websites (Extended Search)

data with weather measurement instruments, interpreting the data, and forecasting weather conditions. Students use the Internet as a tool to research information, share...

217

Utilization of Automatic Weather Station Data for Forecasting High Wind Speeds at Pegasus Runway, Antarctica  

Science Conference Proceedings (OSTI)

Reduced visibility due to blowing snow can severely hinder aircraft operations in the Antarctic. Wind speeds in excess of approximately 7–13 m s?1 can result in blowing snow. The ability to forecast high wind speed events can improve the safety ...

R. E. Holmes; C. R. Stearns; G. A. Weidner; L. M. Keller

2000-04-01T23:59:59.000Z

218

Can Fully Accounting for Clouds in Data Assimilation Improve Short-Term Forecasts by Global Models?  

Science Conference Proceedings (OSTI)

This paper explores the degree to which short-term forecasts with global models might be improved if clouds were fully included in a data assimilation system, so that observations of clouds affected all parts of the model state and cloud ...

Robert Pincus; Robert J. Patrick Hofmann; Jeffrey L. Anderson; Kevin Raeder; Nancy Collins; Jeffrey S. Whitaker

2011-03-01T23:59:59.000Z

219

Performance of National Weather Service Forecasts Compared to Operational, Consensus, and Weighted Model Output Statistics  

Science Conference Proceedings (OSTI)

Model output statistics (MOS) guidance has been the central model postprocessing approach used by the National Weather Service since the 1970s. A recent advancement in the use of MOS is the application of “consensus” MOS (CMOS), an average of MOS ...

Jeffrey A. Baars; Clifford F. Mass

2005-12-01T23:59:59.000Z

220

The Weather Research and Forecasting Model's Community Variational/Ensemble Data Assimilation System: WRFDA  

Science Conference Proceedings (OSTI)

Data assimilation is the process by which observations are combined with short-range NWP model output to produce an analysis of the state of the atmosphere at a specified time. Since its inception in the late 1990s, the multiagency Weather Research and ...

Dale Barker; Xiang-Yu Huang; Zhiquan Liu; Tom Auligné; Xin Zhang; Steven Rugg; Raji Ajjaji; Al Bourgeois; John Bray; Yongsheng Chen; Meral Demirtas; Yong-Run Guo; Tom Henderson; Wei Huang; Hui-Chuan Lin; John Michalakes; Syed Rizvi; Xiaoyan Zhang

2012-06-01T23:59:59.000Z

Note: This page contains sample records for the topic "global weather forecast" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


221

Solar forecasting review  

E-Print Network (OSTI)

Online 24-h solar power forecasting based on weather typeweather observations at blue hill massachusetts,” Solarof weather patterns on the intensity of solar irradiance;

Inman, Richard Headen

2012-01-01T23:59:59.000Z

222

Material World: Forecasting Household Appliance Ownership in a Growing Global Economy  

E-Print Network (OSTI)

and V. Letschert (2005). Forecasting Electricity Demand in8364 Material World: Forecasting Household ApplianceMcNeil, 2008). Forecasting Diffusion Forecasting Variables

Letschert, Virginie

2010-01-01T23:59:59.000Z

223

Evaluation of the Sensitivity of the Weather Research and Forecasting Model to Parameterization Schemes for Regional Climates of Europe over the Period 1990–95  

Science Conference Proceedings (OSTI)

The Weather Research and Forecasting model (WRF) is used to downscale interim ECMWF Re-Analysis (ERA-Interim) data for the climate over Europe for the period 1990–95 with grid spacing of 0.44° for 12 combinations of physical parameterizations. Two ...

P. A. Mooney; F. J. Mulligan; R. Fealy

2013-02-01T23:59:59.000Z

224

IS CHEMICAL INDEX OF ALTERATION (CIA) A RELIABLE PROXY FOR CHEMICAL WEATHERING IN GLOBAL DRAINAGE BASINS?  

E-Print Network (OSTI)

IS CHEMICAL INDEX OF ALTERATION (CIA) A RELIABLE PROXY FOR CHEMICAL WEATHERING IN GLOBAL DRAINAGE Road, Shanghai 200092 China; Tel: 86-21-6598 9130; Fax: 86-21-6598 6278 ABSTRACT. The chemical as the most important carrier of terrigenous materials into the sea. The chemical index of alteration (CIA

Yang, Shouye

225

A PGAS Implementation by Co-design of the ECMWF Integrated Forecasting System (IFS)  

Science Conference Proceedings (OSTI)

Today the European Centre for Medium-Range Weather Forecasts (ECMWF) runs a 16 km global T1279 operational weather forecast model using 1,536 cores of an IBM Power7. Following the historical evolution in resolution upgrades, ECMWF could expect to be ... Keywords: PGAS, COARRAYS, FORTRAN2008, CRESTA,

George Mozdzynski, Mats Hamrud, Nils Wedi, Jens Doleschal, Harvey Richardson

2012-11-01T23:59:59.000Z

226

Regional forecasting with global atmospheric models; Third year report  

SciTech Connect

This report was prepared by the Applied Research Corporation (ARC), College Station, Texas, under subcontract to Pacific Northwest Laboratory (PNL) as part of a global climate studies task. The task supports site characterization work required for the selection of a potential high-level nuclear waste repository and is part of the Performance Assessment Scientific Support (PASS) Program at PNL. The work is under the overall direction of the Office of Civilian Radioactive Waste Management (OCRWM), US Department of Energy Headquarters, Washington, DC. The scope of the report is to present the results of the third year`s work on the atmospheric modeling part of the global climate studies task. The development testing of computer models and initial results are discussed. The appendices contain several studies that provide supporting information and guidance to the modeling work and further details on computer model development. Complete documentation of the models, including user information, will be prepared under separate reports and manuals.

Crowley, T.J.; North, G.R.; Smith, N.R. [Applied Research Corp., College Station, TX (United States)

1994-05-01T23:59:59.000Z

227

Forecasting in Meteorology  

Science Conference Proceedings (OSTI)

Public weather forecasting heralded the beginning of modern meteorology less than 150 years ago. Since then, meteorology has been largely a forecasting discipline. Thus, forecasting could have easily been used to test and develop hypotheses, ...

C. S. Ramage

1993-10-01T23:59:59.000Z

228

Weather Forecasting for Utility Companies For energy and utility companies, expected local weather conditions during the next day or two are  

E-Print Network (OSTI)

SUBJECT: Revised Short-term Electricity Loads and Forecast 2008-2017 As part of the Mid-term Assessment-term electricity loads and forecast 2008-2017- boise 2012 .docx #12;6/28/2012 1 REVISED SHORT-TERM ELECTRICITY and as input to the Resource Adequacy analysis, we have prepared an update to the regional load forecast

229

NEWTON's Weather Videos  

NLE Websites -- All DOE Office Websites (Extended Search)

day. Learn about all sorts of weather phenomena or just get a video of your daily forecast. NOAA Weather Partner's Videos NOAA Weather Partner's Videos The National Oceanic and...

230

A New Verification Score for Public Forecasts  

Science Conference Proceedings (OSTI)

CREF, a new verification score for public forecasts, is introduced. This verification score rewards a forecaster who forecasts a rare event accurately. CREF was used to verify local forecasts at the Weather Service Forecast Office (WSFO) in ...

Dean P. Gulezian

1981-02-01T23:59:59.000Z

231

The Impact of Manually Derived Southern Hemisphere Sea Level Pressure Data upon Forecasts from a Global Model  

Science Conference Proceedings (OSTI)

Experiments have been conducted within the framework of the Australian Bureau of Meteorology's global data assimilation and prediction system to assess the forecast impact of Southern Hemisphere sea level pressure estimates [paid observations (...

R. Seaman; P. Steinle; W. Bourke; T. Hart

1993-09-01T23:59:59.000Z

232

Improving Global Model Precipitation Forecasts over India Using Downscaling and the FSU Superensemble. Part II: Seasonal Climate  

Science Conference Proceedings (OSTI)

This study addresses seasonal forecasts of rains over India using the following components: high-resolution rain gauge–based rainfall data covering the years 1987–2001, rain-rate initialization, four global atmosphere–ocean coupled models, a ...

Arindam Chakraborty; T. N. Krishnamurti

2009-09-01T23:59:59.000Z

233

The Los Alamos dynamic radiation environment assimilation model (DREAM) for space weather specification and forecasting  

SciTech Connect

The Dynamic Radiation Environment Assimilation Model (DREAM) was developed at Los Alamos National Laboratory to assess, quantify, and predict the hazards from the natural space environment and the anthropogenic environment produced by high altitude nuclear explosions (HANE). DREAM was initially developed as a basic research activity to understand and predict the dynamics of the Earth's Van Allen radiation belts. It uses Kalman filter techniques to assimilate data from space environment instruments with a physics-based model of the radiation belts. DREAM can assimilate data from a variety of types of instruments and data with various levels of resolution and fidelity by assigning appropriate uncertainties to the observations. Data from any spacecraft orbit can be assimilated but DREAM was designed to function with as few as two spacecraft inputs: one from geosynchronous orbit and one from GPS orbit. With those inputs, DREAM can be used to predict the environment at any satellite in any orbit whether space environment data are available in those orbits or not. Even with very limited data input and relatively simple physics models, DREAM specifies the space environment in the radiation belts to a high level of accuracy. DREAM has been extensively tested and evaluated as we transition from research to operations. We report here on one set of test results in which we predict the environment in a highly-elliptical polar orbit. We also discuss long-duration reanalysis for spacecraft design, using DREAM for real-time operations, and prospects for 1-week forecasts of the radiation belt environment.

Reeves, Geoffrey D [Los Alamos National Laboratory; Friedel, Reiner H W [Los Alamos National Laboratory; Chen, Yue [Los Alamos National Laboratory; Koller, Josef [Los Alamos National Laboratory; Henderson, Michael G [Los Alamos National Laboratory

2008-01-01T23:59:59.000Z

234

The Impact of MetOp and Other Satellite Data within the Met Office Global NWP System Using an Adjoint-Based Sensitivity Method  

Science Conference Proceedings (OSTI)

The role of observations in reducing 24-h forecast errors is evaluated using the adjoint-based forecast sensitivity to observations (FSO) method developed within the Met Office global numerical weather prediction (NWP) system. The impacts of ...

Sangwon Joo; John Eyre; Richard Marriott

2013-10-01T23:59:59.000Z

235

Forecasting Forecast Skill  

Science Conference Proceedings (OSTI)

We have shown that it is possible to predict the skill of numerical weather forecasts—a quantity which is variable from day to day and region to region. This has been accomplished using as predictor the dispersion (measured by the average ...

Eugenia Kalnay; Amnon Dalcher

1987-02-01T23:59:59.000Z

236

About the Reliability of Manual Model PV Corrections to Improve Forecasts  

Science Conference Proceedings (OSTI)

The National Weather Forecast Centre of Météo-France has developed a tool that corrects the state of the atmosphere within the Action de Recherche Petite Echelle Grande Echelle (ARPEGE) operational global model by adjusting the potential vorticity ...

Philippe Arbogast; Karine Maynard; Catherine Piriou

2012-12-01T23:59:59.000Z

237

Effects of soot-induced snow albedo change on snowpack and hydrological cycle in western United States based on Weather Research and Forecasting chemistry and regional climate simulations  

Science Conference Proceedings (OSTI)

Radiative forcing induced by soot on snow is a major anthropogenic forcing affecting the global climate. However, it is uncertain how the soot-induced snow albedo perturbation affects regional snowpack and the hydrological cycle. In this study we simulated the deposition of soot aerosol on snow and investigated the resulting impact on snowpack and the surface water budget in the western United States. A yearlong simulation was performed using the chemistry version of the Weather Research and Forecasting model (WRF-Chem) to determine an annual budget of soot deposition, followed by two regional climate simulations using WRF in meteorology-only mode, with and without the soot-induced snow albedo perturbations. The chemistry simulation shows large spatial variability in soot deposition that reflects the localized emissions and the influence of the complex terrain. The soot-induced snow albedo perturbations increase the net solar radiation flux at the surface during late winter to early spring, increase the surface air temperature, reduce snow water equivalent amount, and lead to reduced snow accumulation and less spring snowmelt. These effects are stronger over the central Rockies and southern Alberta, where soot deposition and snowpack overlap the most. The indirect forcing of soot accelerates snowmelt and alters stream flows, including a trend toward earlier melt dates in the western United States. The soot-induced albedo reduction initiates a positive feedback process whereby dirty snow absorbs more solar radiation, heating the surface and warming the air. This warming causes reduced snow depth and fraction, which further reduces the regional surface albedo for the snow covered regions. Our simulations indicate that the change of maximum snow albedo induced by soot on snow contributes to 60% of the net albedo reduction over the central Rockies. Snowpack reduction accounts for the additional 40%.

Qian, Yun; Gustafson, William I.; Leung, Lai-Yung R.; Ghan, Steven J.

2009-02-14T23:59:59.000Z

238

Probabilistic Verification of Monthly Temperature Forecasts  

Science Conference Proceedings (OSTI)

Monthly forecasting bridges the gap between medium-range weather forecasting and seasonal predictions. While such forecasts in the prediction range of 1–4 weeks are vital to many applications in the context of weather and climate risk management, ...

Andreas P. Weigel; Daniel Baggenstos; Mark A. Liniger; Frédéric Vitart; Christof Appenzeller

2008-12-01T23:59:59.000Z

239

Precipitation Forecasting Using Doppler Radar Data, a Cloud Model with Adjoint, and the Weather Research and Forecasting Model: Real Case Studies during SoWMEX in Taiwan  

Science Conference Proceedings (OSTI)

The quantitative precipitation forecast (QPF) capability of the Variational Doppler Radar Analysis System (VDRAS) is investigated in the Taiwan area, where the complex topography and surrounding oceans pose great challenges to accurate rainfall ...

Sheng-Lun Tai; Yu-Chieng Liou; Juanzhen Sun; Shao-Fan Chang; Min-Chao Kuo

2011-12-01T23:59:59.000Z

240

The Challenge of Forecasting Heavy Rain and Flooding throughout the Eastern Region of the National Weather Service. Part II: Forecast Techniques and Applications  

Science Conference Proceedings (OSTI)

Over the years, as the recognition and understanding of the structure and climatic frequency of heavy-rain events has expanded, there has been a corresponding improvement in the available forecast guidance on both the national and local level. ...

Harold H. Opitz; Solomon G. Summer; David A. Wert; Warren R. Snyder; Richard J. Kane; Raymond H. Brady; Paul M. Stokols; Stephan C. Kuhl; Gary M. Carter

1995-03-01T23:59:59.000Z

Note: This page contains sample records for the topic "global weather forecast" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


241

Long Range Weather Prediction III: Miniaturized Distributed Sensors for Global Atmospheric Measurements  

DOE R&D Accomplishments (OSTI)

We continue consideration of ways-and-means for creating, in an evolutionary, ever-more-powerful manner, a continually-updated data-base of salient atmospheric properties sufficient for finite differenced integration-based, high-fidelity weather prediction over intervals of 2-3 weeks, leveraging the 10{sup 14} FLOPS digital computing systems now coming into existence. A constellation comprised of 10{sup 6}-10{sup 9} small atmospheric sampling systems--high-tech superpressure balloons carrying early 21st century semiconductor devices, drifting with the local winds over the meteorological spectrum of pressure-altitudes--that assays all portions of the troposphere and lower stratosphere remains the central feature of the proposed system. We suggest that these devices should be active-signaling, rather than passive-transponding, as we had previously proposed only for the ground- and aquatic-situated sensors of this system. Instead of periodic interrogation of the intra-atmospheric transponder population by a constellation of sophisticated small satellites in low Earth orbit, we now propose to retrieve information from the instrumented balloon constellation by existing satellite telephony systems, acting as cellular tower-nodes in a global cellular telephony system whose ''user-set'' is the atmospheric-sampling and surface-level monitoring constellations. We thereby leverage the huge investment in cellular (satellite) telephony and GPS technologies, with large technical and economic gains. This proposal minimizes sponsor forward commitment along its entire programmatic trajectory, and moreover may return data of weather-predictive value soon after field activities commence. We emphasize its high near-term value for making better mesoscale, relatively short-term weather predictions with computing-intensive means, and its great long-term utility in enhancing the meteorological basis for global change predictive studies. We again note that adverse impacts of weather involve continuing costs of the order of 1% of GDP, a large fraction of which could be retrieved if high-fidelity predictions of two weeks forward applicability were available. These{approx}$10{sup 2} B annual savings dwarf the<$1 B costs of operating a rational, long-range weather prediction system of the type proposed.

Teller, E.; Leith, C.; Canavan, G.; Wood, L.

2001-11-13T23:59:59.000Z

242

A Weather-Pattern-Based Approach to Evaluate the Antarctic Mesoscale Prediction System (AMPS) Forecasts: Comparison to Automatic Weather Station Observations  

Science Conference Proceedings (OSTI)

Typical model evaluation strategies evaluate models over large periods of time (months, seasons, years, etc.) or for single case studies such as severe storms or other events of interest. The weather-pattern-based model evaluation technique ...

Melissa A. Nigro; John J. Cassano; Mark W. Seefeldt

2011-04-01T23:59:59.000Z

243

Winter Weather Forecasting throughout the Eastern United States. Part III: The Effects of Topography and the Variability of Winter Weather in the Carolinas and Virginia  

Science Conference Proceedings (OSTI)

Winter weather in the Carolinas and Virginia is highly variable and influenced by the area's diverse topography and geography. The Gulf Stream, the highest mountains in the Appalachians, the largest coastal lagoonal system in the United States, ...

Kermit K. Keeter; Steven Businger; Laurence G. Lee; Jeff S. Waldstreicher

1995-03-01T23:59:59.000Z

244

Ability to Forecast Regional Soil Moisture with a Distributed Hydrological Model Using ECMWF Rainfall Forecasts  

Science Conference Proceedings (OSTI)

This study mimics an online forecast system to provide nine day-ahead forecasts of regional soil moisture. It uses modified ensemble rainfall forecasts from the numerical weather prediction model of the European Centre for Medium-Range Weather ...

J. M. Schuurmans; M. F. P. Bierkens

2009-04-01T23:59:59.000Z

245

Statistical Analysis of Forecasting Models across the North Slope of Alaska during the Mixed-Phase Arctic Clouds Experiment  

Science Conference Proceedings (OSTI)

The National Centers for Environmental Prediction’s (NCEP) Eta Model, the models of the European Centre for Medium-Range Weather Forecasts (ECMWF) and the National Aeronautics and Space Administration’s (NASA) Global Modeling and Assimilation ...

Victor T. Yannuzzi; Eugene E. Clothiaux; Jerry Y. Harrington; Johannes Verlinde

2009-12-01T23:59:59.000Z

246

An Objective Comparison of Model Output Statistics and “Perfect Prog” Systems in Producing Numerical Weather Element Forecasts  

Science Conference Proceedings (OSTI)

The “perfect prog” (PP) and model output statistics (MOS) approaches were used to develop multiple linear regression equations to forecast probabilities of more than a trace of precipitation over 6-h periods, probabilities of precipitation ...

N. Brunet; R. Verret; N. Yacowar

1988-12-01T23:59:59.000Z

247

Modeling and Forecasting Aurora  

Science Conference Proceedings (OSTI)

Modeling the physical processes needed for forecasting space-weather events requires multiscale modeling. This article discusses several modelsresearchers use to treat the various auroral processes that influence space weather.

Dirk Lummerzheim

2007-01-01T23:59:59.000Z

248

ENSEMBLE RE-FORECASTING : IMPROVING MEDIUM-RANGE FORECAST SKILL  

E-Print Network (OSTI)

5.5 ENSEMBLE RE-FORECASTING : IMPROVING MEDIUM-RANGE FORECAST SKILL USING RETROSPECTIVE FORECASTS, Colorado 1. INTRODUCTION Improving weather forecasts is a primary goal of the U.S. National Oceanic predictions has been to improve the accuracy of the numerical forecast models. Much effort has been expended

Hamill, Tom

249

Convection-Allowing and Convection-Parameterizing Ensemble Forecasts of a Mesoscale Convective Vortex and Associated Severe Weather Environment  

Science Conference Proceedings (OSTI)

An analysis of a regional severe weather outbreak that was related to a mesoscale convective vortex (MCV) is performed. The MCV-spawning mesoscale convection system (MCS) formed in northwest Kansas along the southern periphery of a large cutoff ...

Adam J. Clark; William A. Gallus Jr.; Ming Xue; Fanyou Kong

2010-08-01T23:59:59.000Z

250

Verification of National Weather Service Ensemble Streamflow Predictions for Water Supply Forecasting in the Colorado River Basin  

Science Conference Proceedings (OSTI)

The Ensemble Streamflow Prediction (ESP) system, developed by the National Weather Service (NWS), uses conceptual hydrologic models and historical data to generate a set, or ensemble, of possible streamflow scenarios conditioned on the initial ...

Kristie J. Franz; Holly C. Hartmann; Soroosh Sorooshian; Roger Bales

2003-12-01T23:59:59.000Z

251

Objective Debiasing for Improved Forecasting of Tropical Cyclone Intensity with a Global Circulation Model  

Science Conference Proceedings (OSTI)

The damage potential of a tropical cyclone is proportional to a power (generally greater than one) of intensity, which demands high accuracy in forecasting intensity for managing this natural disaster. However, the current skill in forecasting ...

P. Goswami; S. Mallick; K. C. Gouda

2011-08-01T23:59:59.000Z

252

Global Sea Surface Temperature Forecasts Using a Pairwise Dynamic Combination Approach  

Science Conference Proceedings (OSTI)

This paper dynamically combined three multivariate forecasts where spatially and temporally variant combination weights are estimated using a nearest-neighbor approach. The case study presented combines forecasts from three climate models for the ...

Shahadat Chowdhury; Ashish Sharma

2011-04-01T23:59:59.000Z

253

CALIFORNIA ENERGY DEMAND 2008-2018 STAFF REVISED FORECAST  

E-Print Network (OSTI)

the entire forecast period, primarily because both weather-adjusted peak and electricity consumption were forecast. Keywords Electricity demand, electricity consumption, demand forecast, weather normalization, annual peak demand, natural gas demand, self-generation, conservation, California Solar Initiative. #12

254

Material World: Forecasting Household Appliance Ownership in a Growing Global Economy  

SciTech Connect

Over the past years the Lawrence Berkeley National Laboratory (LBNL) has developed an econometric model that predicts appliance ownership at the household level based on macroeconomic variables such as household income (corrected for purchase power parity), electrification, urbanization and climate variables. Hundreds of data points from around the world were collected in order to understand trends in acquisition of new appliances by households, especially in developing countries. The appliances covered by this model are refrigerators, lighting fixtures, air conditioners, washing machines and televisions. The approach followed allows the modeler to construct a bottom-up analysis based at the end use and the household level. It captures the appliance uptake and the saturation effect which will affect the energy demand growth in the residential sector. With this approach, the modeler can also account for stock changes in technology and efficiency as a function of time. This serves two important functions with regard to evaluation of the impact of energy efficiency policies. First, it provides insight into which end uses will be responsible for the largest share of demand growth, and therefore should be policy priorities. Second, it provides a characterization of the rate at which policies affecting new equipment penetrate the appliance stock. Over the past 3 years, this method has been used to support the development of energy demand forecasts at the country, region or global level.

Letschert, Virginie; McNeil, Michael A.

2009-03-23T23:59:59.000Z

255

Material World: Forecasting Household Appliance Ownership in a Growing Global Economy  

E-Print Network (OSTI)

of Household Income and Appliance Ownership. ECEEE Summerof decreasing prices of appliances, if price data becomesForecasting Household Appliance Ownership in a Growing

Letschert, Virginie

2010-01-01T23:59:59.000Z

256

Forecaster Workstation Design: Concepts and Issues  

Science Conference Proceedings (OSTI)

Some basic ideas about designing a meteorological workstation for operational weather forecasting are presented, in part as a complement to the recently published discussion of workstation design by R. R. Hoffman. Scientific weather forecasting ...

Charles A. Doswell III

1992-06-01T23:59:59.000Z

257

Probabilistic Visibility Forecasting Using Bayesian Model Averaging  

Science Conference Proceedings (OSTI)

Bayesian model averaging (BMA) is a statistical postprocessing technique that has been used in probabilistic weather forecasting to calibrate forecast ensembles and generate predictive probability density functions (PDFs) for weather quantities. ...

Richard M. Chmielecki; Adrian E. Raftery

2011-05-01T23:59:59.000Z

258

Evaluation of Mixed-Phase Cloud Parameterizations in Short-Range Weather Forecasts with CAM3 and AM2 for Mixed-Phase Arctic Cloud Experiment  

SciTech Connect

By making use of the in-situ data collected from the recent Atmospheric Radiation Measurement Mixed-Phase Arctic Cloud Experiment, we have tested the mixed-phase cloud parameterizations used in the two major U.S. climate models, the National Center for Atmospheric Research Community Atmosphere Model version 3 (CAM3) and the Geophysical Fluid Dynamics Laboratory climate model (AM2), under both the single-column modeling framework and the U.S. Department of Energy Climate Change Prediction Program-Atmospheric Radiation Measurement Parameterization Testbed. An improved and more physically based cloud microphysical scheme for CAM3 has been also tested. The single-column modeling tests were summarized in the second quarter 2007 Atmospheric Radiation Measurement metric report. In the current report, we document the performance of these microphysical schemes in short-range weather forecasts using the Climate Chagne Prediction Program Atmospheric Radiation Measurement Parameterizaiton Testbest strategy, in which we initialize CAM3 and AM2 with realistic atmospheric states from numerical weather prediction analyses for the period when Mixed-Phase Arctic Cloud Experiment was conducted.

Xie, S; Boyle, J; Klein, S; Liu, X; Ghan, S

2007-06-01T23:59:59.000Z

259

Sensitivity of Global Ensemble Forecasts to the Initial Ensemble Mean and Perturbations: Comparison of EnKF, Singular Vector, and 4D-Var Approaches  

Science Conference Proceedings (OSTI)

This study examines the sensitivity of global ensemble forecasts to the use of different approaches for specifying both the initial ensemble mean and perturbations. The current operational ensemble prediction system of the Meteorological Service ...

Mark Buehner; Ahmed Mahidjiba

2010-10-01T23:59:59.000Z

260

Testing the Effects of a New Land Surface Scheme and of Initial Soil Moisture Conditions in the Canadian Global Forecast Model  

Science Conference Proceedings (OSTI)

A new land surface scheme developed for the Canadian general circulation model has been introduced into the Canadian global forecast model and tested for a summer case. It features three soil layers, a snow layer, and a vegetation layer; its ...

Yves Delage; Diana Verseghy

1995-11-01T23:59:59.000Z

Note: This page contains sample records for the topic "global weather forecast" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


261

Global Ensemble Predictions of 2009’s Tropical Cyclones Initialized with an Ensemble Kalman Filter  

Science Conference Proceedings (OSTI)

Verification was performed on ensemble forecasts of 2009 Northern Hemisphere summer tropical cyclones (TCs) from two experimental global numerical weather prediction ensemble prediction systems (EPSs). The first model was a high-resolution ...

Thomas M. Hamill; Jeffrey S. Whitaker; Michael Fiorino; Stanley G. Benjamin

2011-02-01T23:59:59.000Z

262

On the Prediction of Forecast Skill  

Science Conference Proceedings (OSTI)

Using 10-day forecast 500 mb height data from the last 7 yr, the potential to predict the skill of numerical weather forecasts is discussed. Four possible predictor sets are described. The first, giving the consistency between adjacent forecasts, ...

T. N. Palmer; S. Tibaldi

1988-12-01T23:59:59.000Z

263

Improving Forecast Communication: Linguistic and Cultural Considerations  

Science Conference Proceedings (OSTI)

One goal of weather and climate forecasting is to inform decision making. Effective communication of forecasts to various sectors of the public is essential for meeting that goal, yet studies repeatedly show that forecasts are not well understood ...

Karen Pennesi

2007-07-01T23:59:59.000Z

264

What Is the True Value of Forecasts?  

Science Conference Proceedings (OSTI)

Understanding the economic value of weather and climate forecasts is of tremendous practical importance. Traditional models that have attempted to gauge forecast value have focused on a best-case scenario, in which forecast users are assumed to ...

Antony Millner

2009-10-01T23:59:59.000Z

265

Operational Forecaster Uncertainty Needs and Future Roles  

Science Conference Proceedings (OSTI)

Key results of a comprehensive survey of U.S. National Weather Service operational forecast managers concerning the assessment and communication of forecast uncertainty are presented and discussed. The survey results revealed that forecasters are ...

David R. Novak; David R. Bright; Michael J. Brennan

2008-12-01T23:59:59.000Z

266

Calibration of Probabilistic Quantitative Precipitation Forecasts  

Science Conference Proceedings (OSTI)

From 1 August 1990 to 31 July 1995, the Weather Service Forecast Office in Pittsburgh prepared 6159 probabilistic quantitative precipitation forecasts. Forecasts were made twice a day for 24-h periods beginning at 0000 and 1200 UTC for two river ...

Roman Krzysztofowicz; Ashley A. Sigrest

1999-06-01T23:59:59.000Z

267

IdentifyingWeather Systems from NumericalWeather Prediction Data  

Science Conference Proceedings (OSTI)

Weather systems such as tropical cyclones, fronts, troughs and ridges affect our daily lives. Yet, they are often manually located and drawn on weather charts based on forecasters' experience. To identify them, multiple atmospheric elements need to be ...

WONG Ka Yan; YIP Chi Lap; LI Ping Wah

2006-08-01T23:59:59.000Z

268

Short-Range Ensemble Forecasts of Precipitation Type  

Science Conference Proceedings (OSTI)

Short-range ensemble forecasting is extended to a critical winter weather problem: forecasting precipitation type. Forecast soundings from the operational NCEP Short-Range Ensemble Forecast system are combined with five precipitation-type ...

Matthew S. Wandishin; Michael E. Baldwin; Steven L. Mullen; John V. Cortinas Jr.

2005-08-01T23:59:59.000Z

269

Weather, Climate, and the Economy: Explaining Risk Perceptions of Global Warming, 2001–10  

Science Conference Proceedings (OSTI)

Two series of national survey datasets (2001–10), supplemented with monthly temperature and precipitation data and unemployment data, are used to examine how weather and climate, economic performance, and individuals’ sociodemographic backgrounds ...

Wanyun Shao; Barry D. Keim; James C. Garand; Lawrence C. Hamilton

2014-01-01T23:59:59.000Z

270

Passive millimeter-wave retrieval of global precipitation utilizing satellites and a numerical weather prediction model  

E-Print Network (OSTI)

This thesis develops and validates the MM5/TBSCAT/F([lambda]) model, composed of a mesoscale numerical weather prediction (NWP) model (MM5), a two-stream radiative transfer model (TBSCAT), and electromagnetic models for ...

Surussavadee, Chinnawat

2007-01-01T23:59:59.000Z

271

Frequencies and Characteristics of Global Oceanic Precipitation from Shipboard Present-Weather Reports  

Science Conference Proceedings (OSTI)

Ship reports of present weather obtained from the Comprehensive Ocean-Atmosphere Data Set are analyzed for the period 1958–91 in order to elucidate regional and seasonal variations in the climatological frequency, phase. intensity, and character ...

Grant W. Petty

1995-09-01T23:59:59.000Z

272

Influence of Cirrus Clouds on Weather and Climate Processes: A Global Perspective  

Science Conference Proceedings (OSTI)

Current understanding and knowledge of the composition and structure of cirrus clouds are reviewed and documented in this paper. In addition, the radiative properties of cirrus clouds as they relate to weather and climate processes are described ...

Kuo-Nan Liou

1986-06-01T23:59:59.000Z

273

An Empirical Benchmark for Decadal Forecasts of Global Surface Temperature Anomalies  

Science Conference Proceedings (OSTI)

The suitability of a linear inverse model (LIM) as a benchmark for decadal surface temperature forecast skill is demonstrated. Constructed from the observed simultaneous and 1-yr lag covariability statistics of annually averaged sea surface ...

Matthew Newman

2013-07-01T23:59:59.000Z

274

Lower-Tropospheric Enhancement of Gravity Wave Drag in a Global Spectral Atmospheric Forecast Model  

Science Conference Proceedings (OSTI)

The impacts of enhanced lower-tropospheric gravity wave drag induced by subgrid-scale orography on short- and medium-range forecasts as well as seasonal simulations are examined. This study reports on the enhanced performance of the scheme ...

Song-You Hong; Jung Choi; Eun-Chul Chang; Hoon Park; Young-Joon Kim

2008-06-01T23:59:59.000Z

275

Calibrated Precipitation Forecasts for a Limited-Area Ensemble Forecast System Using Reforecasts  

Science Conference Proceedings (OSTI)

The calibration of numerical weather forecasts using reforecasts has been shown to increase the skill of weather predictions. Here, the precipitation forecasts from the Consortium for Small Scale Modeling Limited Area Ensemble Prediction System (...

Felix Fundel; Andre Walser; Mark A. Liniger; Christoph Frei; Christof Appenzeller

2010-01-01T23:59:59.000Z

276

Implementation and assessment of turbine wake models in the Weather Research and Forecasting model for both mesoscale and large-eddy simulation  

SciTech Connect

Flow dynamics in large wind projects are influenced by the turbines located within. The turbine wakes, regions characterized by lower wind speeds and higher levels of turbulence than the surrounding free stream flow, can extend several rotor diameters downstream, and may meander and widen with increasing distance from the turbine. Turbine wakes can also reduce the power generated by downstream turbines and accelerate fatigue and damage to turbine components. An improved understanding of wake formation and transport within wind parks is essential for maximizing power output and increasing turbine lifespan. Moreover, the influence of wakes from large wind projects on neighboring wind farms, agricultural activities, and local climate are all areas of concern that can likewise be addressed by wake modeling. This work describes the formulation and application of an actuator disk model for studying flow dynamics of both individual turbines and arrays of turbines within wind projects. The actuator disk model is implemented in the Weather Research and Forecasting (WRF) model, which is an open-source atmospheric simulation code applicable to a wide range of scales, from mesoscale to large-eddy simulation. Preliminary results demonstrate the applicability of the actuator disk model within WRF to a moderately high-resolution large-eddy simulation study of a small array of turbines.

Singer, M; Mirocha, J; Lundquist, J; Cleve, J

2010-03-03T23:59:59.000Z

277

Numerical Weather Prediction (NWP) and hybrid ARMA/ANN model to predict global radiation  

E-Print Network (OSTI)

. 1999; Hoinka and Castro 2003), Saudi Arabia (Ackermann and Cox 1982; Blake et al. 1983; Smith 1986a peak. Because of the dryness of the land, a large fraction of the incoming solar radiation is available on local weather. A good example is the `west- coast trough' over Australia. The coastal areas of Western

Paris-Sud XI, Université de

278

The Variability in Skill of 72-hour Global-Scale NMC Forecasts  

Science Conference Proceedings (OSTI)

The variability in skill of NMC 72-h 500 mb forecasts during recent winter is examined. Root-mean-square error, anomaly correlation, and the Fisher z-transformation of the anomaly correlation are used as measures of skill. This latter score is ...

Grant Branstator

1986-12-01T23:59:59.000Z

279

Visual data fusion for applications of high-resolution numerical weather prediction  

Science Conference Proceedings (OSTI)

Keywords: data fusion, demographics, energy demand prediction, graphics design, meteorology, user tasks, visualization, weather forecasting

Lloyd A. Treinish

2000-10-01T23:59:59.000Z

280

Intercomparison of Variational Data Assimilation and the Ensemble Kalman Filter for Global Deterministic NWP. Part II: One-Month Experiments with Real Observations  

Science Conference Proceedings (OSTI)

An intercomparison of the Environment Canada variational and ensemble Kalman filter (EnKF) data assimilation systems is presented in the context of producing global deterministic numerical weather forecasts. Five different variational data ...

Mark Buehner; P. L. Houtekamer; Cecilien Charette; Herschel L. Mitchell; Bin He

2010-05-01T23:59:59.000Z

Note: This page contains sample records for the topic "global weather forecast" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


281

Pacific Northwest water supply forecast to be near or below normal ...  

U.S. Energy Information Administration (EIA)

Tools; Glossary › All Reports ... weather; gasoline; capacity; exports; nuclear; forecast; View All Tags ...

282

CONUS-wide Evaluation of National Weather Service Flash Flood Guidance Products  

Science Conference Proceedings (OSTI)

This study quantifies the skill of the National Weather Service’s (NWS) Flash Flood Guidance (FFG) product. Generated by River Forecast Centers (RFCs) across the US, local NWS Weather Forecast Offices compare estimated and forecast rainfall to FFG ...

Robert A. Clark; Jonathan J. Gourley; Zachary L. Flamig; Yang Hong; Edward Clark

283

Inadvertent Weather Modification in Urban Areas: Lessons for Global Climate Change  

Science Conference Proceedings (OSTI)

Large metropolitan areas in North America, home to 65% of the nation's population, have created major changes in their climates over the past 150 years. The rate and amount of the urban climate change approximate those being predicted globally ...

Stanley A. Changnon

1992-05-01T23:59:59.000Z

284

Forecasting the 12–14 March 1993 Superstorm  

Science Conference Proceedings (OSTI)

This paper describes the decision-making process used by the forecasters in the National Meteorological Center's Meteorological Operations Division and in Weather Forecast Offices of the National Weather Service to provide the successful ...

Louis W. Uccellini; Paul J. Kocin; Russell S. Schneider; Paul M. Stokols; Russell A. Dorr

1995-02-01T23:59:59.000Z

285

Using Wind Anomalies to Forecast East Coast Winter Storms  

Science Conference Proceedings (OSTI)

Forecasting major winter storms is a critical function for all weather services. Conventional model-derived fields from numerical weather prediction models most frequently utilized by operational forecasters, such as pressure level geopotential ...

Neil A. Stuart; Richard H. Grumm

2006-12-01T23:59:59.000Z

286

THE GALACTIC CENTER WEATHER FORECAST  

SciTech Connect

In accretion-based models for Sgr A*, the X-ray, infrared, and millimeter emission arise in a hot, geometrically thick accretion flow close to the black hole. The spectrum and size of the source depend on the black hole mass accretion rate M-dot . Since Gillessen et al. have recently discovered a cloud moving toward Sgr A* that will arrive in summer 2013, M-dot may increase from its present value M-dot{sub 0}. We therefore reconsider the 'best-bet' accretion model of Moscibrodzka et al., which is based on a general relativistic MHD flow model and fully relativistic radiative transfer, for a range of M-dot . We find that for modest increases in M-dot the characteristic ring of emission due to the photon orbit becomes brighter, more extended, and easier to detect by the planned Event Horizon Telescope submillimeter Very Long Baseline Interferometry experiment. If M-dot {approx}>8 M-dot{sub 0}, this 'silhouette' of the black hole will be hidden beneath the synchrotron photosphere at 230 GHz, and for M-dot {approx}>16 M-dot{sub 0} the silhouette is hidden at 345 GHz. We also find that for M-dot > 2 M-dot{sub 0} the near-horizon accretion flow becomes a persistent X-ray and mid-infrared source, and in the near-infrared Sgr A* will acquire a persistent component that is brighter than currently observed flares.

Moscibrodzka, M. [Department of Physics and Astronomy, University of Nevada, 4505 South Maryland Parkway, Las Vegas, NV 89154 (United States); Shiokawa, H.; Gammie, C. F. [Astronomy Department, University of Illinois, 1002 West Green Street, Urbana, IL 61801 (United States); Dolence, J. C., E-mail: monikam@physics.unlv.edu [Department of Astrophysical Sciences, Princeton University, Peyton Hall, 4 Ivy Lane, Princeton, NJ 08544 (United States)

2012-06-10T23:59:59.000Z

287

Global Positioning System (GPS) Precipitable Water in Forecasting Lightning at Spaceport Canaveral  

Science Conference Proceedings (OSTI)

This paper evaluates the use of precipitable water (PW) from the global positioning system (GPS) in lightning prediction. Additional independent verification of an earlier model is performed. This earlier model used binary logistic regression ...

Kristen Kehrer; Brian Graf; William P. Roeder

2008-04-01T23:59:59.000Z

288

Forecasting during the Lake-ICE/SNOWBANDS Field Experiments  

Science Conference Proceedings (OSTI)

Despite improvements in numerical weather prediction models, statistical models, forecast decision trees, and forecasting rules of thumb, human interpretation of meteorological information for a particular forecast situation can still yield a ...

Peter J. Sousounis; Greg E. Mann; George S. Young; Richard B. Wagenmaker; Bradley D. Hoggatt; William J. Badini

1999-12-01T23:59:59.000Z

289

GET your forecast at the click of a button.  

E-Print Network (OSTI)

GET your forecast at the click of a button. EXPLORE your local weather in detail. PLAN your days favourite locations; · Pan and zoom to any area in Australia; · Combine the latest weather and forecast current temperatures across Australia. MetEyeTM computer screen image displaying the weather forecast

Greenslade, Diana

290

RESERVOIR INFLOW FORECASTING USING NEURAL NETWORKS CHANDRASHEKAR SUBRAMANIAN  

E-Print Network (OSTI)

or over predicting electricity demand due to poor weather forecasts is several hundred million dollars outages that many in the area experienced. Deep Thunder can also improve generation-side load forecasting by providing high-resolution weather forecast data for use in electricity demand forecast models. Integrating

Manry, Michael

291

Internet Weather Source | Data.gov  

NLE Websites -- All DOE Office Websites (Extended Search)

(NWS) National Telecommunications Gateway provides weather, hydrologic, and climate forecasts and warnings for the United States, its territories, adjacent waters and ocean...

292

Load Forecast For use in Resource Adequacy  

E-Print Network (OSTI)

Load Forecast 2019 For use in Resource Adequacy Massoud Jourabchi #12;In today's presentation d l­ Load forecast methodology ­ Drivers of the forecast f i­ Treatment of conservation ­ Incorporating impact of weather ­ Forecast for 2019 #12;Regional Loads (MWA and MW)Regional Loads (MWA and MW

293

A Fingerprinting Technique for Major Weather Events  

Science Conference Proceedings (OSTI)

Advances in numerical weather prediction have occurred on numerous fronts, from sophisticated physics packages in the latest mesoscale models to multimodel ensembles of medium-range predictions. Thus, the skill of numerical weather forecasts ...

Benjamin Root; Paul Knight; George Young; Steven Greybush; Richard Grumm; Ron Holmes; Jeremy Ross

2007-07-01T23:59:59.000Z

294

Intercomparison of Spatial Forecast Verification Methods  

Science Conference Proceedings (OSTI)

Advancements in weather forecast models and their enhanced resolution have led to substantially improved and more realistic-appearing forecasts for some variables. However, traditional verification scores often indicate poor performance because ...

Eric Gilleland; David Ahijevych; Barbara G. Brown; Barbara Casati; Elizabeth E. Ebert

2009-10-01T23:59:59.000Z

295

Operations of the National Weather Service Spaceflight Meteorology Group  

Science Conference Proceedings (OSTI)

Weather is a significant aspect of most space shuttle launches and landings. The National Weather Service Spaceflight Meteorology Group (SMG) at Johnson Space Center (JSC) in Houston, Texas, provides weather forecasts and advice to support space ...

Frank C. Brody; Richard A. Lafosse; Dan G. Bellue; Timothy D. Oram

1997-09-01T23:59:59.000Z

296

Application of a Medium-Range Global Hydrologic Probabilistic Forecast Scheme to the Ohio River Basin  

Science Conference Proceedings (OSTI)

A 10-day globally applicable flood prediction scheme was evaluated using the Ohio River basin as a test site for the period 2003–07. The Variable Infiltration Capacity (VIC) hydrology model was initialized with the European Centre for Medium-Range ...

Nathalie Voisin; Florian Pappenberger; Dennis P. Lettenmaier; Roberto Buizza; John C. Schaake

2011-08-01T23:59:59.000Z

297

Short-Range Direct and Diffuse Irradiance Forecasts for Solar Energy Applications Based on Aerosol Chemical Transport and Numerical Weather Modeling  

Science Conference Proceedings (OSTI)

This study examines 2–3-day solar irradiance forecasts with respect to their application in solar energy industries, such as yield prediction for the integration of the strongly fluctuating solar energy into the electricity grid. During cloud-...

Hanne Breitkreuz; Marion Schroedter-Homscheidt; Thomas Holzer-Popp; Stefan Dech

2009-09-01T23:59:59.000Z

298

Characteristics of Target Areas Selected by the Ensemble Transform Kalman Filter for Medium-Range Forecasts of High-Impact Winter Weather  

Science Conference Proceedings (OSTI)

The characteristics of “target” locations of tropospheric wind and temperature identified by a modified version of the ensemble transform Kalman filter (ETKF), in order to reduce 0–7-day forecast errors over North America, are explored from the ...

Sharanya J. Majumdar; Kathryn J. Sellwood; Daniel Hodyss; Zoltan Toth; Yucheng Song

2010-07-01T23:59:59.000Z

299

A Century of Monitoring Weather and Crops: The Weekly Weather and Crop Bulletin  

Science Conference Proceedings (OSTI)

Publication of a national weekly weather summary called the Weekly Weather Chronicle began in 1872. This summary was the precursor of today's Weekly Weather and Crop Bulletin (WWCB), a publication that reports global weather and climate ...

Thomas R. Heddinghaus; Douglas M. Le Comte

1992-02-01T23:59:59.000Z

300

Meteorological Research Needs for Improved Air Quality Forecasting: Report of the 11th Prospectus Development Team of the U.S. Weather Research Program*  

Science Conference Proceedings (OSTI)

The U.S. Weather Research Program convenes expert working groups on a one-time basis to identify critical research needs in various problem areas. The most recent expert working group was charged to “identify and delineate critical meteorological ...

Walter F. Dabberdt; Mary Anne Carroll; Darrel Baumgardner; Gregory Carmichael; Ronald Cohen; Tim Dye; James Ellis; Georg Grell; Sue Grimmond; Steven Hanna; John Irwin; Brian Lamb; Sasha Madronich; Jeff McQueen; James Meagher; Talat Odman; Jonathan Pleim; Hans Peter Schmid; Douglas L. Westphal

2004-04-01T23:59:59.000Z

Note: This page contains sample records for the topic "global weather forecast" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


301

Comparative Analysis of the Local Observation-Based (LOB) Method and the Nonparametric Regression-Based Method for Gridded Bias Correction in Mesoscale Weather Forecasting  

Science Conference Proceedings (OSTI)

The comparative analysis of three methods for objective grid-based bias removal in mesoscale numerical weather prediction models is considered. The first technique is the local observation-based (LOB) method that extends further the approaches of ...

Yulia R. Gel

2007-12-01T23:59:59.000Z

302

A Probabilistic Forecast Contest and the Difficulty in Assessing Short-Range Forecast Uncertainty  

Science Conference Proceedings (OSTI)

Results are presented from a probability-based weather forecast contest. Rather than evaluating the absolute errors of nonprobabilistic temperature and precipitation forecasts, as is common in other contests, this contest evaluated the skill of ...

Thomas M. Hamill; Daniel S. Wilks

1995-09-01T23:59:59.000Z

303

An Operational Model for Forecasting Probability of Precipitation and Yes/No Forecast  

Science Conference Proceedings (OSTI)

An operational system for forecasting probability of precipitation (PoP) and yes/no forecast over 10 stations during monsoon season is developed. A perfect prog method (PPM) approach is followed for statistical interpretation of numerical weather ...

Ashok Kumar; Parvinder Maini; S. V. Singh

1999-02-01T23:59:59.000Z

304

Evaluation of the Global Atmospheric Moisture Budget as Seen from Analyses  

Science Conference Proceedings (OSTI)

For the period 1987 to 1993, quantities central to the global moisture budget from the global analyses of the European Centre for Medium-Range Weather Forecasts (ECMWF), the U.S. National Meteorological Center (NMC), and NASA/Goddard have been ...

Kevin E. Trenberth; Christian J. Guillemot

1995-09-01T23:59:59.000Z

305

Identification of Highly Predictable Flow Elements for Spatial Filtering of Medium- and Extended-Range Numerical Forecasts  

Science Conference Proceedings (OSTI)

To determine if some flow components are systematically forecast more accurately than others, 990 wintertime medium-range forecasts made at the European Centre for Medium-Range Weather Forecasts (ECMWF) are examined. It is found that forecasts ...

Grant Branstator; Andrew Mai; David Baumhefner

1993-06-01T23:59:59.000Z

306

A Preliminary Look at the Social Perspective of Warn-on-Forecast: Preferred Tornado Warning Lead Time and the General Public’s Perceptions of Weather Risks  

Science Conference Proceedings (OSTI)

Tornado warnings are currently issued an average of 13 min in advance of a tornado and are based on a warn-on-detection paradigm. However, computer model improvements may allow for a new warning paradigm, warn-on-forecast, to be established in the ...

S. Hoekstra; K. Klockow; R. Riley; J. Brotzge; H. Brooks; S. Erickson

2011-04-01T23:59:59.000Z

307

Forecast Correlation Coefficient Matrix of Stock Returns in Portfolio Analysis  

E-Print Network (OSTI)

Unadjusted Forecasts . . . . . . . . . . . . . . . .Forecasts . . . . . . . . . . . . . . . . . . . . . . . . . .Unadjusted Forecasts . . . . . . . . . . . . . . . . . . .

Zhao, Feng

2013-01-01T23:59:59.000Z

308

Background pollution forecast over bulgaria  

Science Conference Proceedings (OSTI)

Both, the current level of air pollution studies and social needs in the country, are in a stage mature enough for creating Bulgarian Chemical Weather Forecasting and Information System The system is foreseen to provide in real time forecast of the spatial/temporal ...

D. Syrakov; K. Ganev; M. Prodanova; N. Miloshev; G. Jordanov; E. Katragkou; D. Melas; A. Poupkou; K. Markakis

2009-06-01T23:59:59.000Z

309

Application of a WRF Mesoscale Data Assimilation System to Springtime Severe Weather Events 2007–09  

Science Conference Proceedings (OSTI)

An ensemble-based data assimilation system using the Weather Research and Forecasting Model (WRF) has been used to initialize forecasts of prolific severe weather events from springs 2007 to 2009. These experiments build on previous work that has ...

Dustan M. Wheatley; David J. Stensrud; David C. Dowell; Nusrat Yussouf

2012-05-01T23:59:59.000Z

310

Summer Weather Simulation for the Semiarid Lower Colorado River Basin: Case Tests  

Science Conference Proceedings (OSTI)

Accurate summertime weather forecasts, particularly the quantitative precipitation forecast (QPF), over the semiarid southwest United States pose a difficult challenge for numerical models. Two case studies, one with typical weather on 6 July ...

J. Li; X. Gao; R. A. Maddox; S. Sorooshian; K. Hsu

2003-03-01T23:59:59.000Z

311

Building Energy Software Tools Directory: Energy Usage Forecasts  

NLE Websites -- All DOE Office Websites (Extended Search)

Energy Usage Forecasts Energy Usage Forecasts Energy Usage Forecasts Quick and easy web-based tool that provides free 14-day ahead energy usage forecasts based on the degree day forecasts for 1,200 stations in the U.S. and Canada. The user enters the daily non-weather base load and the usage per degree day weather factor; the tool applies the degree day forecast and displays the total energy usage forecast. Helpful FAQs explain the process and describe various options for the calculation of the base load and weather factor. Historical degree day reports and 14-day ahead degree day forecasts are available from the same site. Keywords degree days, historical weather, mean daily temperature, load calculation, energy simulation Validation/Testing Degree day data provided by AccuWeather.com, updated daily at 0700.

312

Weatherization and Intergovernmental Program: Weatherization...  

NLE Websites -- All DOE Office Websites (Extended Search)

Weatherization Assistance Program Quality Work Plan Requirements to someone by E-mail Share Weatherization and Intergovernmental Program: Weatherization Assistance Program Quality...

313

NIST Assists in Solar Stake-Out to Improve Space Weather ...  

Science Conference Proceedings (OSTI)

NIST Assists in Solar Stake-Out to Improve Space Weather Forecasts. For Immediate Release: July 9, 2008. ...

2011-10-26T23:59:59.000Z

314

Forecast Technical Document Forecast Types  

E-Print Network (OSTI)

Forecast Technical Document Forecast Types A document describing how different forecast types are implemented in the 2011 Production Forecast system. Tom Jenkins Robert Matthews Ewan Mackie Lesley Halsall #12;PF2011 ­ Forecast Types Background Different `types' of forecast are possible for a specified area

315

Application of soft computing models to hourly weather analysis in southern Saskatchewan, Canada  

Science Conference Proceedings (OSTI)

Accurate weather forecasts are necessary for planning our day-to-day activities. However, dynamic behavior of weather makes the forecasting a formidable challenge. This study presents a soft computing model based on a radial basis function network (RBFN) ... Keywords: Artificial neural networks, Decision support, Forecasting, Modeling, Simulation, Soft computing, Weather

Imran Maqsood; Muhammad Riaz Khan; Guo H. Huang; Rifaat Abdalla

2005-02-01T23:59:59.000Z

316

The Meteorological Development Laboratory’s Aviation Weather Prediction System  

Science Conference Proceedings (OSTI)

The Meteorological Development Laboratory (MDL) has developed and implemented an aviation weather prediction system that runs each hour and produces forecast guidance for each hour into the future out to 25 h covering the major forecast period of ...

Judy E. Ghirardelli; Bob Glahn

2010-08-01T23:59:59.000Z

317

A Short-Term Ensemble Wind Speed Forecasting System for Wind Power Applications  

Science Conference Proceedings (OSTI)

This study develops an adaptive, blended forecasting system to provide accurate wind speed forecasts 1 h ahead of time for wind power applications. The system consists of an ensemble of 21 forecasts with different configurations of the Weather ...

Justin J. Traiteur; David J. Callicutt; Maxwell Smith; Somnath Baidya Roy

2012-10-01T23:59:59.000Z

318

Tornado Pathlength Forecasts from 2010 to 2011 Using Ensemble Updraft Helicity  

Science Conference Proceedings (OSTI)

Examining forecasts from the Storm Scale Ensemble Forecast (SSEF) system run by the Center for Analysis and Prediction of Storms for the 2010 NOAA/Hazardous Weather Testbed Spring Forecasting Experiment, recent research diagnosed a strong ...

Adam J. Clark; Jidong Gao; Patrick T. Marsh; Travis Smith; John S. Kain; James Correia Jr.; Ming Xue; Fanyou Kong

2013-04-01T23:59:59.000Z

319

The Role of Vortex and Environment Errors in Genesis Forecasts of Hurricanes Danielle and Karl (2010)  

Science Conference Proceedings (OSTI)

An ensemble of Weather Research and Forecasting Model (WRF) forecasts initialized from a cycling ensemble Kalman filter (EnKF) system is used to evaluate the sensitivity of Hurricanes Danielle and Karl’s (2010) genesis forecasts to vortex and ...

Ryan D. Torn; David Cook

2013-01-01T23:59:59.000Z

320

Verification of Convection-Allowing WRF Model Forecasts of the Planetary Boundary Layer Using Sounding Observations  

Science Conference Proceedings (OSTI)

This study evaluates forecasts of thermodynamic variables from five convection-allowing configurations of the Weather Research and Forecasting Model (WRF) with the Advanced Research core (WRF-ARW). The forecasts vary only in their planetary ...

Michael C. Coniglio; James Correia Jr.; Patrick T. Marsh; Fanyou Kong

2013-06-01T23:59:59.000Z

Note: This page contains sample records for the topic "global weather forecast" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


321

Aerosol effects on red blue ratio of clear sky images, and impact on solar forecasting  

E-Print Network (OSTI)

Bergin, M.H. From weather forecasting to exploring the solarWai, et al. "Intra-hour forecasting with a total sky imagerand Impact on Solar Forecasting A Thesis submitted in

Ghonima, Mohamed Sherif

2011-01-01T23:59:59.000Z

322

Regionalization in Fine-Grid GFS MOS 6-h Quantitative Precipitation Forecasts  

Science Conference Proceedings (OSTI)

The recent emergence of the National Digital Forecast Database as the flagship product of the National Weather Service has resulted in an increased demand for forecast guidance products on fine-mesh grids. Unfortunately, fine-grid forecasts with ...

Jerome P. Charba; Frederick G. Samplatsky

2011-01-01T23:59:59.000Z

323

Dynamical Downscaling of Austral Summer Climate Forecasts over Southern Africa Using a Regional Coupled Model  

Science Conference Proceedings (OSTI)

The prediction skill of dynamical downscaling is evaluated for climate forecasts over southern Africa using the Advanced Research Weather Research and Forecasting (WRF) model. As a case study, forecasts for the December–February (DJF) season of ...

J. V. Ratnam; S. K. Behera; S. B. Ratna; C. J. de W. Rautenbach; C. Lennard; J.-J. Luo; Y. Masumoto; K. Takahashi; T. Yamagata

2013-08-01T23:59:59.000Z

324

ORNL analysis predicts losses from extreme weather damage could...  

NLE Websites -- All DOE Office Websites (Extended Search)

ORNL analysis predicts losses from extreme weather damage could double by 2050 Researcher tackles unprecedented county-by-county economic loss forecast Research in impacts,...

325

Insolation data manual: long-term monthly averages of solar radiation, temperature, degree-days and global anti K/sub T/ for 248 national weather service stations  

DOE Green Energy (OSTI)

Monthly averaged data is presented which describes the availability of solar radiation at 248 National Weather Service stations. Monthly and annual average daily insolation and temperature values have been computed from a base of 24 to 25 years of data. Average daily maximum, minimum, and monthly temperatures are provided for most locations in both Celsius and Fahrenheit. Heating and cooling degree-days were computed relative to a base of 18.3/sup 0/C (65/sup 0/F). For each station, global anti K/sub T/ (cloudiness index) were calculated on a monthly and annual basis. (MHR)

Knapp, C L; Stoffel, T L; Whitaker, S D

1980-10-01T23:59:59.000Z

326

The Effect of Probabilistic Information on Threshold Forecasts  

Science Conference Proceedings (OSTI)

The study reported here asks whether the use of probabilistic information indicating forecast uncertainty improves the quality of deterministic weather decisions. Participants made realistic wind speed forecasts based on historical information in ...

Susan Joslyn; Karla Pak; David Jones; John Pyles; Earl Hunt

2007-08-01T23:59:59.000Z

327

The Science of NOAA's Operational Hydrologic Ensemble Forecast Service  

Science Conference Proceedings (OSTI)

NOAA's National Weather Service (NWS) is implementing a short- to long-range Hydrologic Ensemble Forecast Service (HEFS). The HEFS addresses the need to quantify uncertainty in hydrologic forecasts for flood risk management, water supply management, ...

Julie Demargne; Limin Wu; Satish Regonda; James Brown; Haksu Lee; Minxue He; Dong-Jun Seo; Robert Hartman; Henry D. Herr; Mark Fresch; John Schaake; Yuejian Zhu

328

Operations of the National Severe Storms Forecast Center  

Science Conference Proceedings (OSTI)

The National Severe Storms Forecast Center in Kansas City, Missouri, is composed of several operational forecasting units, all national in scope. It includes the Severe Local Storms Unit (SELS), the National Aviation Weather Advisory Unit (NAWAU),...

Frederick P. Ostby

1992-12-01T23:59:59.000Z

329

A Short-Range Objective Nocturnal Temperature Forecasting Model  

Science Conference Proceedings (OSTI)

A relatively simple, objective, nocturnal temperature forecasting model suitable for freezing and near-freezing conditions has been designed so that a user, presumably a weather forecaster, can put in standard meteorological data at a particular ...

Robert A. Sutherland

1980-03-01T23:59:59.000Z

330

An Improved Operational System for Forecasting Precipitation Type  

Science Conference Proceedings (OSTI)

A Model Output Statistics system for forecasting the conditional probability of precipitation type (PoPT) became operational within the National Weather Service in September 1978. Forecasts are provided for three precipitation type categories: ...

Joseph R. Bocchieri; George J. Maglaras

1983-03-01T23:59:59.000Z

331

A Neural Network Short-Term Forecast of Significant Thunderstorms  

Science Conference Proceedings (OSTI)

Case studies are the typical means by which meteorologists pass on their knowledge of how to solve a particular weather-forecasting problem to other forecasters. A case study helps others recognize an important pattern and enhances the ...

Donald W. McCann

1992-09-01T23:59:59.000Z

332

J.P. Finley: The First Severe Storms Forecaster  

Science Conference Proceedings (OSTI)

During the 19th century, while others were debating about the theory and morphology of tornadoes, Finley set out to prove that tornadoes, like other weather phenomena, could be forecast. He developed forecast rules and made experimental ...

Joseph G. Galway

1985-11-01T23:59:59.000Z

333

Use of the “Odds Ratio” for Diagnosing Forecast Skill  

Science Conference Proceedings (OSTI)

This study investigates ways of quantifying the skill in forecasts of dichotomous weather events. The odds ratio, widely used in medical studies, can provide a powerful way of testing the association between categorical forecasts and ...

David B. Stephenson

2000-04-01T23:59:59.000Z

334

Budget Cutting and the Value of Weather Services  

Science Conference Proceedings (OSTI)

The authors discuss the relationship between budget-cutting exercises and knowledge of the value of weather services. The complex interaction between quality (accuracy) and value of weather forecasts prevents theoretical approaches from ...

Charles A. Doswell III; Harold E. Brooks

1998-03-01T23:59:59.000Z

335

Performance evaluation and optimization of nested high resolution weather simulations  

Science Conference Proceedings (OSTI)

Weather models with high spatial and temporal resolutions are required for accurate prediction of meso-micro scale weather phenomena. Using these models for operational purposes requires forecasts with sufficient lead time, which in turn calls for large ...

Preeti Malakar; Vaibhav Saxena; Thomas George; Rashmi Mittal; Sameer Kumar; Abdul Ghani Naim; Saiful Azmi Bin Hj Husain

2012-08-01T23:59:59.000Z

336

A Review of Quantitative Precipitation Forecasts and Their Use in Short- to Medium-Range Streamflow Forecasting  

Science Conference Proceedings (OSTI)

Unknown future precipitation is the dominant source of uncertainty for many streamflow forecasts. Numerical weather prediction (NWP) models can be used to generate quantitative precipitation forecasts (QPF) to reduce this uncertainty. The ...

Lan Cuo; Thomas C. Pagano; Q. J. Wang

2011-10-01T23:59:59.000Z

337

Standardized Anomalies Applied to Significant Cold Season Weather Events: Preliminary Findings  

Science Conference Proceedings (OSTI)

Forecasting significant weather events, such as floods, heat waves, arctic outbreaks, ice storms, large severe weather outbreaks, and major winter storms, is a critical function for all weather services. However, conventional pressure level ...

Richard H. Grumm; Robert Hart

2001-12-01T23:59:59.000Z

338

Today's Forecast: Improved Wind Predictions | Department of Energy  

NLE Websites -- All DOE Office Websites (Extended Search)

in advance, allowing grid operators to predict expected wind power production. Accurate weather forecasts are critical for making energy sources -- including wind and solar --...

339

Forecast for Sunshine? NIST Helps Track the UV Index  

Science Conference Proceedings (OSTI)

... Weather forecasters around the country recently have added a new number to ... indicates when it's necessary to protect against damaging solar rays. ...

340

The Developmental Testbed Center and its Winter Forecasting Experiment  

Science Conference Proceedings (OSTI)

The Weather Research and Forecasting (WRF) Developmental Testbed Center (DTC) was formed to promote exchanges between the development and operational communities in the field of Numerical Weather Prediction (NWP). The WRF DTC serves to accelerate ...

Lígia Bernardet; Steve Koch; Edward Szoke; Andrew Loughe; Jennifer Luppens Mahoney; Louisa Nance; Meral Demirtas; Tressa Fowler; Robert Gall; Hui-Ya Chuang; Matthew Pyle

2008-05-01T23:59:59.000Z

Note: This page contains sample records for the topic "global weather forecast" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


341

A statistical model for risk management of electric outage forecasts  

Science Conference Proceedings (OSTI)

Risk management of power outages caused by severe weather events, such as hurricanes, tornadoes, and thunderstorms, plays an important role in electric utility distribution operations. Damage prediction based on weather forecasts on an appropriate spatial ...

H. Li; L. A. Treinish; J. R. M. Hosking

2010-05-01T23:59:59.000Z

342

An Improved Modeling Scheme for Freezing Precipitation Forecasts  

Science Conference Proceedings (OSTI)

To improve forecasts of various weather elements (snow, rain, and freezing precipitation) in numerical weather prediction models, a new mixed-phase cloud scheme has been developed. The scheme is based on a single prognostic equation for total ...

André Tremblay; Anna Glazer

2000-05-01T23:59:59.000Z

343

Toward Global Drought Early Warning Capability: Expanding International Cooperation for the Development of a Framework for Monitoring and Forecasting  

Science Conference Proceedings (OSTI)

Drought is a global problem that has far-reaching impacts, especially on vulnerable populations in developing regions. This paper highlights the need for a Global Drought Early Warning System (GDEWS), the elements that constitute its underlying framework (...

Will Pozzi; Justin Sheffield; Robert Stefanski; Douglas Cripe; Roger Pulwarty; Jürgen V. Vogt; Richard R. Heim Jr.; Michael J. Brewer; Mark Svoboda; Rogier Westerhoff; Albert I. J. M. van Dijk; Benjamin Lloyd-Hughes; Florian Pappenberger; Micha Werner; Emanuel Dutra; Fredrik Wetterhall; Wolfgang Wagner; Siegfried Schubert; Kingtse Mo; Margaret Nicholson; Lynette Bettio; Liliana Nunez; Rens van Beek; Marc Bierkens; Luis Gustavo Goncalves de Goncalves; João Gerd Zell de Mattos; Richard Lawford

2013-06-01T23:59:59.000Z

344

BAD WEATHER? THEN SUE THE WEATHERMAN!  

Science Conference Proceedings (OSTI)

Weather forecasts have become demonstrably more accurate in recent decades due to increasingly sophisticated computer technology and models. Yet scientists cannot predict the future with 100% certainty. Relying on inaccurate or inadequate ...

Roberta Klein; Roger A. Pielke Jr.

2002-12-01T23:59:59.000Z

345

Data Network Weather Service Reporting - Final Report  

SciTech Connect

A final report is made of a three-year effort to develop a new forecasting paradigm for computer network performance. This effort was made in co-ordination with Fermi Lab's construction of e-Weather Center.

Michael Frey

2012-08-30T23:59:59.000Z

346

A Global View on the Wind Sea and Swell Climate and Variability from ERA-40  

Science Conference Proceedings (OSTI)

In this paper a detailed global climatology of wind-sea and swell parameters, based on the 45-yr European Centre for Medium-Range Weather Forecasts Re-Analysis (ERA-40) wave reanalysis is presented. The spatial pattern of the swell dominance of ...

Alvaro Semedo; Kay Sušelj; Anna Rutgersson; Andreas Sterl

2011-03-01T23:59:59.000Z

347

Potential Forecast Skill of Ensemble Prediction and Spread and Skill Distributions of the ECMWF Ensemble Prediction System  

Science Conference Proceedings (OSTI)

Ensemble forecasting is a feasible method to integrate a deterministic forecast with an estimate of the probability distribution of atmospheric states. At the European Centre for Medium-Range Weather Forecasts (ECMWF), the Ensemble Prediction ...

Roberto Buizza

1997-01-01T23:59:59.000Z

348

Use of Multiple Verification Methods to Evaluate Forecasts of Convection from Hot- and Cold-Start Convection-Allowing Models  

Science Conference Proceedings (OSTI)

This study uses both traditional and newer verification methods to evaluate two 4-km grid-spacing Weather Research and Forecasting Model (WRF) forecasts: a “cold start” forecast that uses the 12-km North American Mesoscale Model (NAM) analysis and ...

Derek R. Stratman; Michael C. Coniglio; Steven E. Koch; Ming Xue

2013-02-01T23:59:59.000Z

349

Forecast Combinations  

E-Print Network (OSTI)

Forecast combinations have frequently been found in empirical studies to produce better forecasts on average than methods based on the ex-ante best individual forecasting model. Moreover, simple combinations that ignore correlations between forecast errors often dominate more refined combination schemes aimed at estimating the theoretically optimal combination weights. In this chapter we analyze theoretically the factors that determine the advantages from combining forecasts (for example, the degree of correlation between forecast errors and the relative size of the individual models’ forecast error variances). Although the reasons for the success of simple combination schemes are poorly understood, we discuss several possibilities related to model misspecification, instability (non-stationarities) and estimation error in situations where thenumbersofmodelsislargerelativetothe available sample size. We discuss the role of combinations under asymmetric loss and consider combinations of point, interval and probability forecasts. Key words: Forecast combinations; pooling and trimming; shrinkage methods; model misspecification, diversification gains

Allan Timmermann; Jel Codes C

2006-01-01T23:59:59.000Z

350

Building Energy Software Tools Directory: Degree Day Forecasts  

NLE Websites -- All DOE Office Websites (Extended Search)

Forecasts Forecasts Degree Day Forecasts example chart Quick and easy web-based tool that provides free 14-day ahead degree day forecasts for 1,200 stations in the U.S. and Canada. Degree Day Forecasts charts show this year, last year and three-year average. Historical degree day charts and energy usage forecasts are available from the same site. Keywords degree days, historical weather, mean daily temperature Validation/Testing Degree day data provided by AccuWeather.com, updated daily at 0700. Expertise Required No special expertise required. Simple to use. Users Over 1,000 weekly users. Audience Anyone who needs degree day forecasts (next 14 days) for the U.S. and Canada. Input Select a weather station (1,200 available) and balance point temperature. Output Charts show (1) degree day (heating and cooling) forecasts for the next 14

351

Consensus Forecasts of Modeled Wave Parameters  

Science Conference Proceedings (OSTI)

The use of numerical guidance has become integral to the process of modern weather forecasting. Using various techniques, postprocessing of numerical model output has been shown to mitigate some of the deficiencies of these models, producing more ...

Tom H. Durrant; Frank Woodcock; Diana J. M. Greenslade

2009-04-01T23:59:59.000Z

352

The ENIAC Forecasts: A Re-creation  

Science Conference Proceedings (OSTI)

The numerical forecasts made in 1950 using the Electronic Numerical Integrator and Computer (ENIAC) paved the way for the remarkable advances that have been made over the past half-century in weather prediction and climate modeling. We review the ...

Peter Lynch

2008-01-01T23:59:59.000Z

353

Assessing the Usefulness of Probabilistic Forecasts  

Science Conference Proceedings (OSTI)

The errors in both the initialization and simulated evolution of weather and climate models create significant uncertainties in forecasts at lead times beyond a few days. Modern prediction systems sample the sources of these uncertainties to ...

Stephen Cusack; Alberto Arribas

2008-04-01T23:59:59.000Z

354

Weather durability testing and failures in terrestrial flat plate ...  

Science Conference Proceedings (OSTI)

... Atlas XR-260 large scale xenon weathering device ... & standard Atlas xenon Weather-Ometers) ... Atlas SolarClimatic 1600 metal-halide “global” solar ...

2013-11-15T23:59:59.000Z

355

The global geochemical cycles of iron and calcium: using novel isotope systems to understand weathering, global mass budgets, natural reaction rates, and paleoclimate  

E-Print Network (OSTI)

in the sedimentary column, and diagenetic alteration of Ca isotope signals over geologic time scales. The overallThe global geochemical cycles of iron and calcium: using novel isotope systems to understand of Doctor of Philosophy in Geology in the GRADUATE DIVISION of the UNIVERSITY OF CALIFORNIA, BERKELEY

Fantle, Matthew

356

CALIFORNIA ENERGY DEMAND 2008-2018 STAFF DRAFT FORECAST  

E-Print Network (OSTI)

Policy Report, over the entire forecast period, primarily because both weather-adjusted peak and commercial sectors. Keywords Electricity demand, electricity consumption, demand forecast, weather normalization, annual peak demand, natural gas demand, self-generation, California Solar Initiative. #12;ii #12

357

Weatherization and Intergovernmental Program: Weatherization Assistance  

NLE Websites -- All DOE Office Websites (Extended Search)

Weatherization Assistance Program to someone by E-mail Weatherization Assistance Program to someone by E-mail Share Weatherization and Intergovernmental Program: Weatherization Assistance Program on Facebook Tweet about Weatherization and Intergovernmental Program: Weatherization Assistance Program on Twitter Bookmark Weatherization and Intergovernmental Program: Weatherization Assistance Program on Google Bookmark Weatherization and Intergovernmental Program: Weatherization Assistance Program on Delicious Rank Weatherization and Intergovernmental Program: Weatherization Assistance Program on Digg Find More places to share Weatherization and Intergovernmental Program: Weatherization Assistance Program on AddThis.com... Plans, Implementation, & Results Weatherization Assistance Program Weatherization Services

358

Forecasting overview  

E-Print Network (OSTI)

Forecasting is required in many situations: deciding whether to build another power generation plant in the next five years requires forecasts of future demand; scheduling staff in a call centre next week requires forecasts of call volume; stocking an inventory requires forecasts of stock requirements. Forecasts can be required several years in advance (for the case of capital investments), or only a few minutes beforehand (for telecommunication routing). Whatever the circumstances or time horizons involved, forecasting is an important aid in effective and efficient planning. Some things are easier to forecast than others. The time of the sunrise tomorrow morning can be forecast very precisely. On the other hand, currency exchange rates are very difficult to forecast with any accuracy. The predictability of an event or a quantity depends on how well we understand the factors that contribute to it, and how much unexplained variability is involved. Forecasting situations vary widely in their time horizons, factors determining actual outcomes, types of data patterns, and many other aspects. Forecasting methods can be very simple such as using the most recent observation as a forecast (which is called the “naïve method”), or highly complex such as neural nets and econometric systems of simultaneous equations. The

Rob J Hyndman

2009-01-01T23:59:59.000Z

359

Examination of Convection-Allowing Configurations of the WRF Model for the Prediction of Severe Convective Weather: The SPC/NSSL Spring Program 2004  

Science Conference Proceedings (OSTI)

Convection-allowing configurations of the Weather Research and Forecast (WRF) model were evaluated during the 2004 Storm Prediction Center–National Severe Storms Laboratory Spring Program in a simulated severe weather forecasting environment. The ...

John S. Kain; S. J. Weiss; J. J. Levit; M. E. Baldwin; D. R. Bright

2006-04-01T23:59:59.000Z

360

Evaluation of Probabilistic Precipitation Forecasts Determined from Eta and AVN Forecasted Amounts  

Science Conference Proceedings (OSTI)

This note examines the connection between the probability of precipitation and forecasted amounts from the NCEP Eta (now known as the North American Mesoscale model) and Aviation (AVN; now known as the Global Forecast System) models run over a 2-...

William A. Gallus Jr.; Michael E. Baldwin; Kimberly L. Elmore

2007-02-01T23:59:59.000Z

Note: This page contains sample records for the topic "global weather forecast" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


361

Probabilistic Forecast Calibration Using ECMWF and GFS Ensemble Reforecasts. Part I: Two-Meter Temperatures  

E-Print Network (OSTI)

Probabilistic Forecast Calibration Using ECMWF and GFS Ensemble Reforecasts. Part I: Two-Meter Temperatures RENATE HAGEDORN European Centre for Medium-Range Weather Forecasts, Reading, United Kingdom THOMAS for Medium-Range Weather Forecasts (ECMWF) produced a reforecast dataset for a 2005 version of their ensemble

Hamill, Tom

362

Weatherization and Intergovernmental Program: Apply for Weatherization  

NLE Websites -- All DOE Office Websites (Extended Search)

Apply Apply for Weatherization Assistance to someone by E-mail Share Weatherization and Intergovernmental Program: Apply for Weatherization Assistance on Facebook Tweet about Weatherization and Intergovernmental Program: Apply for Weatherization Assistance on Twitter Bookmark Weatherization and Intergovernmental Program: Apply for Weatherization Assistance on Google Bookmark Weatherization and Intergovernmental Program: Apply for Weatherization Assistance on Delicious Rank Weatherization and Intergovernmental Program: Apply for Weatherization Assistance on Digg Find More places to share Weatherization and Intergovernmental Program: Apply for Weatherization Assistance on AddThis.com... Plans, Implementation, & Results Weatherization Assistance Program Weatherization Services

363

Weatherization and Intergovernmental Program: Weatherization Services  

NLE Websites -- All DOE Office Websites (Extended Search)

Services to someone by E-mail Services to someone by E-mail Share Weatherization and Intergovernmental Program: Weatherization Services on Facebook Tweet about Weatherization and Intergovernmental Program: Weatherization Services on Twitter Bookmark Weatherization and Intergovernmental Program: Weatherization Services on Google Bookmark Weatherization and Intergovernmental Program: Weatherization Services on Delicious Rank Weatherization and Intergovernmental Program: Weatherization Services on Digg Find More places to share Weatherization and Intergovernmental Program: Weatherization Services on AddThis.com... Plans, Implementation, & Results Weatherization Assistance Program Weatherization Services History Goals & Metrics Allocation Formula Apply for Weatherization Assistance WAP - Sustainable Energy Resources for Consumers Grants

364

An Evaluation of Sea Level Cyclone Forecasts Produced by NMC's Nested-Grid Model and Global Spectral Model  

Science Conference Proceedings (OSTI)

Sea level cyclone errors are computed for the National Meteorological Center's Nested-Grid Model (NGM) and the Aviation Run of the Global Spectral Model (AVN). The study is performed for the 1987/88 and 1989/90 cool seasons. All available 24- and ...

Bruce B. Smith; Steven L. Mullen

1993-03-01T23:59:59.000Z

365

Application of a Limited-Area Short-Range Ensemble Forecast System to a Case of Heavy Rainfall in the Mediterranean Region  

Science Conference Proceedings (OSTI)

Severe weather risk assessment is becoming an increasing component of the daily operational activity at advanced meteorological forecasting centers. To improve its forecast capabilities and develop a severe weather warning system, the Sardinian ...

P. A. Chessa; G. Ficca; M. Marrocu; R. Buizza

2004-06-01T23:59:59.000Z

366

FORECASTING SOLAR RADIATION PRELIMINARY EVALUATION OF AN APPROACH  

E-Print Network (OSTI)

FORECASTING SOLAR RADIATION -- PRELIMINARY EVALUATION OF AN APPROACH BASED UPON THE NATIONAL, and undertake a preliminary evaluation of, a simple solar radiation forecast model using sky cover predictions experimental product from the United States National Weather Service (NWS) providing gridded forecasted

Perez, Richard R.

367

The Sydney 2000 Olympic Games Forecast Demonstration Project: Forecasting, Observing Network Infrastructure, and Data Processing Issues  

Science Conference Proceedings (OSTI)

The Sydney 2000 Olympic Games World Weather Research Programme Forecast Demonstration Project (WWRP FDP) aimed to demonstrate the utility and impact of modern nowcast systems. The project focused on the use of radar processing systems and ...

Peter T. May; Thomas D. Keenan; Rod Potts; James W. Wilson; Rob Webb; Andrew Treloar; Elly Spark; Sue Lawrence; Elizabeth Ebert; John Bally; Paul Joe

2004-02-01T23:59:59.000Z

368

Verification of Surface Temperature Forecasts from the National Digital Forecast Database over the Western United States  

Science Conference Proceedings (OSTI)

Experimental gridded forecasts of surface temperature issued by National Weather Service offices in the western United States during the 2003/04 winter season (18 November 2003–29 February 2004) are evaluated relative to surface observations and ...

David T. Myrick; John D. Horel

2006-10-01T23:59:59.000Z

369

Comparing NWS PoP Forecasts to Third-Party Providers  

Science Conference Proceedings (OSTI)

In this paper, the authors verify probability of precipitation (PoP) forecasts provided by the National Weather Service (NWS), The Weather Channel (TWC), and CustomWeather (CW). The n-day-ahead forecasts, where n ranges from 1 to 3 for the NWS, ...

J. Eric Bickel; Eric Floehr; Seong Dae Kim

2011-10-01T23:59:59.000Z

370

Forecast of auroral activity  

Science Conference Proceedings (OSTI)

A new technique is developed to predict auroral activity based on a sample of over 9000 auroral sites identified in global auroral images obtained by an ultraviolet imager on the NASA Polar satellite during a 6-month period. Four attributes of auroral activity sites are utilized in forecasting

A. T. Y. Lui

2004-01-01T23:59:59.000Z

371

A Chapter In Space Weather: Physics and Effects  

E-Print Network (OSTI)

the activity of a particular region of geospace and thus we have space weather modeling for the solar- 1 - A Chapter In Space Weather: Physics and Effects by V. Bothmer and I.A. Daglis (editors) Springer Praxis September 2005 Draft date: March 9, 2007 Forecasting Space Weather Dimitris Vassiliadis ST

Vassiliadis, Dimitrios

372

Utilities weather the storm  

SciTech Connect

Utilities must restore power to storm-damaged transmission and distribution systems, even if it means going out in ice storms or during lightning and hurricane conditions. Weather forecasting helps utilities plan for possible damage as well as alerting them to long-term trends. Storm planning includes having trained repair personnel available and adjusting the system so that less power imports are needed. Storm damage response requires teamwork and cooperation between utilities. Utilities can strengthen equipment in storm-prone or vulnerable areas, but good data are necessary to document the incidence of lighning strikes, hurricanes, etc. 2 references, 8 figures.

Lihach, N.

1984-11-01T23:59:59.000Z

373

The Value of a Variable Resolution Approach to Numerical Weather Prediction  

Science Conference Proceedings (OSTI)

It is shown that a numerical weather prediction system with variable resolution, higher in the early forecast range and lower afterward, provides more skilful forecasts than a system with constant resolution. Results indicate that the advantage ...

Roberto Buizza

2010-04-01T23:59:59.000Z

374

Impact of Targeted Winter Storm Reconnaissance Dropwindsonde Data on Midlatitude Numerical Weather Predictions  

Science Conference Proceedings (OSTI)

The impact of assimilating data from the 2011 Winter Storm Reconnaissance (WSR) program on numerical weather forecasts was assessed. Parallel sets of analyses and deterministic 120-h numerical forecasts were generated using the ECMWF four-...

Thomas M. Hamill; Fanglin Yang; Carla Cardinali; Sharanya J. Majumdar

2013-06-01T23:59:59.000Z

375

Comparing limited-area 3DVAR and hybrid variational-ensemble data assimilation methods for typhoon track forecasts: Sensitivity to outer loops and vortex relocation  

Science Conference Proceedings (OSTI)

The Weather Research and Forecasting (WRF) model’s “hybrid” variational-ensemble data assimilation (DA) algorithm was used to initialize WRF model forecasts of three tropical cyclones (TCs). The hybrid-initialized forecasts were compared to ...

Craig S. Schwartz; Zhiquan Liu; Xiang-Yu Huang; Ying-Hwa Kuo; Chin-Tzu Fong

376

Weather Superstitions  

NLE Websites -- All DOE Office Websites (Extended Search)

of Cook County George W. Dunne, President Roland F. Eisenbeis, Supt. of Conservation WEATHER SUPERSTITIONS Charles Dudley Warner, not Mark Twain, made the famous wisecrack --...

377

Maintaining the Role of Humans in the Forecast Process: Analyzing the Psyche of Expert Forecasters  

Science Conference Proceedings (OSTI)

The Second Forum on the Future Role of the Human in the Forecast Process occurred on 2–3 August 2005 at the American Meteorological Society's Weather Analysis and Forecasting Conference in Washington, D.C. The forum consisted of three sessions. ...

Neil A. Stuart; David M. Schultz; Gary Klein

2007-12-01T23:59:59.000Z

378

Weatherization and Intergovernmental Program: Weatherization Innovation  

NLE Websites -- All DOE Office Websites (Extended Search)

Innovation Pilot Program to someone by E-mail Innovation Pilot Program to someone by E-mail Share Weatherization and Intergovernmental Program: Weatherization Innovation Pilot Program on Facebook Tweet about Weatherization and Intergovernmental Program: Weatherization Innovation Pilot Program on Twitter Bookmark Weatherization and Intergovernmental Program: Weatherization Innovation Pilot Program on Google Bookmark Weatherization and Intergovernmental Program: Weatherization Innovation Pilot Program on Delicious Rank Weatherization and Intergovernmental Program: Weatherization Innovation Pilot Program on Digg Find More places to share Weatherization and Intergovernmental Program: Weatherization Innovation Pilot Program on AddThis.com... Plans, Implementation, & Results Weatherization Assistance Program

379

Weatherization and Intergovernmental Program: Weatherization Assistance  

NLE Websites -- All DOE Office Websites (Extended Search)

Weatherization Assistance Program Allocation Formula to someone by E-mail Share Weatherization and Intergovernmental Program: Weatherization Assistance Program Allocation Formula on Facebook Tweet about Weatherization and Intergovernmental Program: Weatherization Assistance Program Allocation Formula on Twitter Bookmark Weatherization and Intergovernmental Program: Weatherization Assistance Program Allocation Formula on Google Bookmark Weatherization and Intergovernmental Program: Weatherization Assistance Program Allocation Formula on Delicious Rank Weatherization and Intergovernmental Program: Weatherization Assistance Program Allocation Formula on Digg Find More places to share Weatherization and Intergovernmental Program: Weatherization Assistance Program Allocation Formula on

380

Weatherization and Intergovernmental Program: National Weatherization  

NLE Websites -- All DOE Office Websites (Extended Search)

Information Resources Information Resources Site Map Printable Version Share this resource Send a link to Weatherization and Intergovernmental Program: National Weatherization Training Portal to someone by E-mail Share Weatherization and Intergovernmental Program: National Weatherization Training Portal on Facebook Tweet about Weatherization and Intergovernmental Program: National Weatherization Training Portal on Twitter Bookmark Weatherization and Intergovernmental Program: National Weatherization Training Portal on Google Bookmark Weatherization and Intergovernmental Program: National Weatherization Training Portal on Delicious Rank Weatherization and Intergovernmental Program: National Weatherization Training Portal on Digg Find More places to share Weatherization and Intergovernmental

Note: This page contains sample records for the topic "global weather forecast" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


381

Development, implementation, and skill assessment of the NOAA/NOS Great Lakes Operational Forecast System  

E-Print Network (OSTI)

Development, implementation, and skill assessment of the NOAA/NOS Great Lakes Operational Forecast Lakes Operational Forecast System (GLOFS) uses near-real-time atmospheric observa- tions and numerical weather prediction forecast guidance to produce three-dimensional forecasts of water temperature

382

Weatherization and Intergovernmental Program: Weatherization...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

see their annual energy bills reduced by an average of about 437, depending on fuel prices. Because the energy improvements that make up weatherization services are long...

383

Forecasts for the Community by Students at the University of Lowell  

Science Conference Proceedings (OSTI)

Students in the meteorology program at the University of Lowell provide weather forecasts for the university community and for the residents of the Lowell area. The forecasting service is organized and run entirely by the students through the ...

Keith L. Seitter; Frank P. Colby Jr.

1986-09-01T23:59:59.000Z

384

Eta Model Precipitation Forecasts for a Period Including Tropical Storm Allison  

Science Conference Proceedings (OSTI)

A step-mountain (eta) coordinate limited-area model is being developed at the National Meteorological Center (NMC) to improve forecasts of severe weather and other mesoscale phenomena. Precipitation forecasts are reviewed for the 20-day period 16 ...

Fedor Mesinger; Thomas L. Black; David W. Plummer; John H. Ward

1990-09-01T23:59:59.000Z

385

A WRF Ensemble for Improved Wind Speed Forecasts at Turbine Height  

Science Conference Proceedings (OSTI)

The Weather Research and Forecasting Model (WRF) with 10-km horizontal grid spacing was used to explore improvements in wind speed forecasts at a typical wind turbine hub height (80 m). An ensemble consisting of WRF model simulations with ...

Adam J. Deppe; William A. Gallus Jr.; Eugene S. Takle

2013-02-01T23:59:59.000Z

386

A History of Western North Pacific Tropical Cyclone Track Forecast Skill  

Science Conference Proceedings (OSTI)

The tropical cyclone (TC) track forecasting skill of operational numerical weather prediction (NWP) models and their consensus is examined for the western North Pacific from 1992 to 2002. The TC track forecasting skill of the operational NWP ...

James S. Goerss; Charles R. Sampson; James M. Gross

2004-06-01T23:59:59.000Z

387

Comments on “An Operational Ingredients-Based Methodology for Forecasting Midlatitude Winter Season Precipitation”  

Science Conference Proceedings (OSTI)

Wetzel and Martin present an ingredients-based methodology for forecasting winter season precipitation. Although they are to be commended for offering a framework for winter-weather forecasting, disagreements arise with some of their specific ...

David M. Schultz; John V. Cortinas Jr.; Charles A. Doswell III

2002-02-01T23:59:59.000Z

388

Improving Quantitative Precipitation Forecasts in the Warm Season: A USWRP Research and Development Strategy  

Science Conference Proceedings (OSTI)

Warm-season quantitative precipitation forecasts (QPFs) are the poorest performance area of forecast systems worldwide. They stubbornly fall further behind while other aspects of weather prediction steadily improve. Unless a major effort is ...

J. Michael Fritsch; R. E. Carbone

2004-07-01T23:59:59.000Z

389

Nonlinear Characteristics of Ensemble Perturbation Evolution and their Application to Forecasting High-impact Events  

Science Conference Proceedings (OSTI)

Ensemble forecasting is becoming an increasingly important aspect of numerical weather prediction. As ensemble perturbation evolution becomes more nonlinear as a forecast evolves, the ensemble mean can diverge from the model attractor on which ...

Brian C. Ancell

390

An Integrated Approach to Mid- and Upper-Level Turbulence Forecasting  

Science Conference Proceedings (OSTI)

An automated procedure for forecasting mid- and upper-level turbulence that affects aircraft is described. This procedure, termed the Graphical Turbulence Guidance system, uses output from numerical weather prediction model forecasts to derive ...

R. Sharman; C. Tebaldi; G. Wiener; J. Wolff

2006-06-01T23:59:59.000Z

391

The Role of Latent Heat Release in Explosive Cyclogenesis: Three Examples Based on ECMWF Operational Forecasts  

Science Conference Proceedings (OSTI)

Operational forecasts from the European Centre for Medium Range Weather Forecasts of three cases of explosive cyclogenesis of large magnitude that occurred in the North Atlantic during a 1-week period in January 1986 are presented, and results of ...

Richard J. Reed; Mark D. Albright; Adrian J. Sammons; Per Undén

1988-09-01T23:59:59.000Z

392

On the Impact of WRF Model Vertical Grid Resolution on Midwest Summer Rainfall Forecasts  

Science Conference Proceedings (OSTI)

Weather Research and Forecast (WRF) model exploratory sensitivity simulations were performed to determine the impact of vertical grid resolution (VGR) on the forecast skill of Midwest summer rainfall. Varying the VGR indicated that a refined VGR, ...

Eric A. Aligo; William A. Gallus Jr.; Moti Segal

2009-04-01T23:59:59.000Z

393

Probabilistic Forecast Calibration Using ECMWF and GFS Ensemble Reforecasts. Part I: Two-Meter Temperatures  

Science Conference Proceedings (OSTI)

Recently, the European Centre for Medium-Range Weather Forecasts (ECMWF) produced a reforecast dataset for a 2005 version of their ensemble forecast system. The dataset consisted of 15-member reforecasts conducted for the 20-yr period 1982–2001, ...

Renate Hagedorn; Thomas M. Hamill; Jeffrey S. Whitaker

2008-07-01T23:59:59.000Z

394

Use of a Real-Time Computer Graphics System in Analysis and Forecasting  

Science Conference Proceedings (OSTI)

Real-time computer graphics systems are being introduced into weather stations throughout the United States. A sample of student forecasters used such a system to solve specific specialized forecasting problems. Results suggest that for some ...

John J. Cahir; John M. Norman; Dale A. Lowry

1981-03-01T23:59:59.000Z

395

A Method for Eliciting, Preserving, and Sharing the Knowledge of Forecasters  

Science Conference Proceedings (OSTI)

As in many domains of modern work, a concern in weather forecasting is the loss of expertise, due either to reassignment or retirement. This note reports upon a project that demonstrates a procedure that can be used to capture forecasters' ...

Robert R. Hoffman; John W. Coffey; Kenneth M. Ford; Joseph D. Novak

2006-06-01T23:59:59.000Z

396

Comparative Verification of Guidance and Local Quantitative Precipitation Forecasts: Calibration Analyses  

Science Conference Proceedings (OSTI)

A comparative verification is reported of 2631 matched pairs of quantitative precipitation forecasts (QPFs) prepared daily from 1 October 1992 to 31 October 1996 by the Hydrometeorological Prediction Center (HPC) and the Weather Service Forecast ...

Roman Krzysztofowicz; Ashley A. Sigrest

1999-06-01T23:59:59.000Z

397

Understanding Farmers’ Forecast Use from Their Beliefs, Values, Social Norms, and Perceived Obstacles  

Science Conference Proceedings (OSTI)

Although the accuracy of weather and climate forecasts is continuously improving and new information retrieved from climate data is adding to the understanding of climate variation, use of the forecasts and climate information by farmers in ...

Qi Hu; Lisa M. Pytlik Zillig; Gary D. Lynne; Alan J. Tomkins; William J. Waltman; Michael J. Hayes; Kenneth G. Hubbard; Ikrom Artikov; Stacey J. Hoffman; Donald A. Wilhite

2006-09-01T23:59:59.000Z

398

Probabilistic Quantitative Precipitation Forecasts Based on Reforecast Analogs: Theory and Application  

Science Conference Proceedings (OSTI)

A general theory is proposed for the statistical correction of weather forecasts based on observed analogs. An estimate is sought for the probability density function (pdf) of the observed state, given today’s numerical forecast. Assume that an ...

Thomas M. Hamill; Jeffrey S. Whitaker

2006-11-01T23:59:59.000Z

399

Using the WRF Model in an Operational Streamflow Forecast System for the Jordan River  

Science Conference Proceedings (OSTI)

The Weather Research and Forecasting (WRF) model was employed to provide precipitation forecasts during the 2008/09 and 2009/10 winters (wet season) for Israel and the surrounding region where complex terrain dominates. The WRF precipitation ...

Amir Givati; Barry Lynn; Yubao Liu; Alon Rimmer

2012-02-01T23:59:59.000Z

400

NEXRAD and the Broadcast Weather Industry: Preparing to Share the Technology  

Science Conference Proceedings (OSTI)

This paper describes results from a survey designed to establish the current level of radar and computer technology of the television weather industry, and to assess the awareness and attitudes of television weather forecasters toward the Next ...

Michele M. Robertson; Kelvin K. Droegemeier

1990-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "global weather forecast" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


401

The THORPEX Interactive Grand Global Ensemble  

Science Conference Proceedings (OSTI)

Ensemble forecasting is increasingly accepted as a powerful tool to improve early warnings for high-impact weather. Recently, ensembles combining forecasts from different systems have attracted a considerable level of interest. The Observing ...

Philippe Bougeault; Zoltan Toth; Craig Bishop; Barbara Brown; David Burridge; De Hui Chen; Beth Ebert; Manuel Fuentes; Thomas M. Hamill; Ken Mylne; Jean Nicolau; Tiziana Paccagnella; Young-Youn Park; David Parsons; Baudouin Raoult; Doug Schuster; Pedro Silva Dias; Richard Swinbank; Yoshiaki Takeuchi; Warren Tennant; Laurence Wilson; Steve Worley

2010-08-01T23:59:59.000Z

402

The Performance of a Medium-Range Forecast Model in Winter–Impact of Physical Parameterizations  

Science Conference Proceedings (OSTI)

We present the results of a series of forecasts on seven weather situations from February 1976 using two models which differ only in their physical parameterizations.

A. Hollingsworth; K. Arpe; M. Tiedtke; M. Capaldo; H. Savijärvi

1980-11-01T23:59:59.000Z

403

3D Convective Storm Identification, Tracking, and Forecasting—An Enhanced TITAN Algorithm  

Science Conference Proceedings (OSTI)

Storm identification, tracking, and forecasting make up an essential part of weather radar and severe weather surveillance operations. Existing nowcasting algorithms using radar data can be generally classified into two categories: centroid and ...

Lei Han; Shengxue Fu; Lifeng Zhao; Yongguang Zheng; Hongqing Wang; Yinjing Lin

2009-04-01T23:59:59.000Z

404

METRo: A New Model for Road-Condition Forecasting in Canada  

Science Conference Proceedings (OSTI)

A numerical model to forecast road conditions, Model of the Environment and Temperature of Roads (METRo), has been developed to run at Canadian weather centers. METRo uses roadside observations from road weather information systems stations as ...

Louis-Philippe Crevier; Yves Delage

2001-11-01T23:59:59.000Z

405

On the Economic Value of Probability of Precipitation Forecasts in Canada  

Science Conference Proceedings (OSTI)

Canadian weather offices have recently begun to receive probability of precipitation information estimated from numerical weather prediction guidance, but this information is not given in the public forecast. This paper uses a well-known ...

Ambury Stuart

1982-04-01T23:59:59.000Z

406

Frontiers in Global Change Seminar Series presents ?  

NLE Websites -- All DOE Office Websites (Extended Search)

classification technique that combines European Centre for Medium-range Weather Forecast analysis data and vertically pointing millimeter wavelength cloud radar observations...

407

Comparison of Model Forecast Skill of Sea-Level Pressure Along the East and West Coasts of the United States  

E-Print Network (OSTI)

1 Comparison of Model Forecast Skill of Sea-Level Pressure Along the East and West Coasts, University of Washington, Seattle, Washington Submitted to: Weather and Forecasting May 2008 Revised recent advances in numerical weather prediction, major errors in short-range forecasts still occur

Mass, Clifford F.

408

Variability in Skill in 120 h FNOC 500 mb Height Forecasts  

Science Conference Proceedings (OSTI)

The variability of the 120 h 500 mb height forecasts of the Navy's Operational global model was examined for two winters. The forecasts displayed evidence of marked variability in the quality of forecasts as measured by anomaly correlations ...

J. Curtis; J. S. Boyle; C. H. Wash

1988-06-01T23:59:59.000Z

409

The Canadian Regional Data Assimilation and Forecasting System  

Science Conference Proceedings (OSTI)

This paper describes the recent changes to the regional data assimilation and forecasting system at the Canadian Meteorological Center. A major aspect is the replacement of the currently operational global variable resolution forecasting approach ...

Luc Fillion; Monique Tanguay; Ervig Lapalme; Bertrand Denis; Michel Desgagne; Vivian Lee; Nils Ek; Zhuo Liu; Manon Lajoie; Jean-François Caron; Christian Pagé

2010-12-01T23:59:59.000Z

410

Idealized Adaptive Observation Strategies for Improving Numerical Weather Prediction  

Science Conference Proceedings (OSTI)

Adaptive sampling uses information about individual atmospheric situations to identify regions where additional observations are likely to improve weather forecasts of interest. The observation network could be adapted for a wide range of ...

Rebecca E. Morss; Kerry A. Emanuel; Chris Snyder

2001-01-01T23:59:59.000Z

411

An Explicit Cloud Physics Parameterization for Operational Numerical Weather Prediction  

Science Conference Proceedings (OSTI)

In anticipation of computers that will be able to run weather forecasting models on very fine grids fast enough for real-time purposes, an algorithm for representing water phase change and precipitation processes was developed. The design ...

Paul Schultz

1995-11-01T23:59:59.000Z

412

A Real-Time Weather System for Forestry  

Science Conference Proceedings (OSTI)

The Forestry Weather Interpretations System (FWIS) has been pilot-tested in 12 southern states from Virginia to Texas for two years. Hourly surface observational data from airport locations, upper-air soundings, and Georgia forecast data, entered ...

James T. Paul

1981-10-01T23:59:59.000Z

413

Vol. 43, No. 2 August 1999 Mariners Weather Log  

E-Print Network (OSTI)

of funds for printing this periodical has been approved by the director of the Office of Management Weather Service, Office of Meteorology, Integrated Hydrometeorological Services Core, Silver Spring ...........................................................................................................................................................53 Coastal Forecast Office News

414

Mesoscale Weather Effects of Variable Snow Cover over Northeast Colorado  

Science Conference Proceedings (OSTI)

Data from the PROFS (Program for Regional Observing and Forecasting Services) surface mesonetwork have been used to document the effect of variable snow cover on atmospheric boundary layer properties cloudiness and weather conditions over north ...

Richard H. Johnson; George S. Young; James J. Toth; Raymond M. Zehr

1984-06-01T23:59:59.000Z

415

Operational Weather Radar in the United States: Progress and Opportunity  

Science Conference Proceedings (OSTI)

The NEXRAD operational system consisting of a network of WSR—88D radars is now operational within the 50 states, as well as Puerto Rico and Guam. This technology has been enthusiastically received by weather forecasters in all regions and ...

Robert J. Serafin; James W. Wilson

2000-03-01T23:59:59.000Z

416

Edward Epstein's Stochastic-Dynamic Approach to Ensemble Weather Prediction  

Science Conference Proceedings (OSTI)

In the late-1960s, well before the availability of computer power to produce ensemble weather forecasts, Edward Epstein (1931 – 2008) developed a stochastic – dynamic prediction (SDP) method for calculating the temporal evolution of mean value, variance ...

John M. Lewis

417

Modernization in the National Weather Service River and Flood Program  

Science Conference Proceedings (OSTI)

Hydrologic forecasting is vital not only to the National Weather Service mission of saying lives and protecting property but also to our nation's water management decision makers. Since its inception, the River and Flood Program has continually ...

D.L. Fread; R.C. Shedd; G.F. Smith; R. Farnsworth; C.N. Hoffeditz; L.A. Wenzel; S.M. Wiele; J.A. Smith; G.N. Day

1995-09-01T23:59:59.000Z

418

Final Report on California Regional Wind Energy Forecasting Project:Application of NARAC Wind Prediction System  

DOE Green Energy (OSTI)

Wind power is the fastest growing renewable energy technology and electric power source (AWEA, 2004a). This renewable energy has demonstrated its readiness to become a more significant contributor to the electricity supply in the western U.S. and help ease the power shortage (AWEA, 2000). The practical exercise of this alternative energy supply also showed its function in stabilizing electricity prices and reducing the emissions of pollution and greenhouse gases from other natural gas-fired power plants. According to the U.S. Department of Energy (DOE), the world's winds could theoretically supply the equivalent of 5800 quadrillion BTUs of energy each year, which is 15 times current world energy demand (AWEA, 2004b). Archer and Jacobson (2005) also reported an estimation of the global wind energy potential with the magnitude near half of DOE's quote. Wind energy has been widely used in Europe; it currently supplies 20% and 6% of Denmark's and Germany's electric power, respectively, while less than 1% of U.S. electricity is generated from wind (AWEA, 2004a). The production of wind energy in California ({approx}1.2% of total power) is slightly higher than the national average (CEC & EPRI, 2003). With the recently enacted Renewable Portfolio Standards calling for 20% of renewables in California's power generation mix by 2010, the growth of wind energy would become an important resource on the electricity network. Based on recent wind energy research (Roulston et al., 2003), accurate weather forecasting has been recognized as an important factor to further improve the wind energy forecast for effective power management. To this end, UC-Davis (UCD) and LLNL proposed a joint effort through the use of UCD's wind tunnel facility and LLNL's real-time weather forecasting capability to develop an improved regional wind energy forecasting system. The current effort of UC-Davis is aimed at developing a database of wind turbine power curves as a function of wind speed and direction, using its wind tunnel facility at the windmill farm at the Altamont Pass. The main objective of LLNL's involvement is to provide UC-Davis with improved wind forecasts to drive the parameterization scheme of turbine power curves developed from the wind tunnel facility. Another objective of LLNL's effort is to support the windmill farm operation with real-time wind forecasts for the effective energy management. The forecast skill in capturing the situation to meet the cut-in and cutout speed of given turbines would help reduce the operation cost in low and strong wind scenarios, respectively. The main focus of this report is to evaluate the wind forecast errors of LLNL's three-dimensional real-time weather forecast model at the location with the complex terrain. The assessment of weather forecast accuracy would help quantify the source of wind energy forecast errors from the atmospheric forecast model and/or wind-tunnel module for further improvement in the wind energy forecasting system.

Chin, H S

2005-07-26T23:59:59.000Z

419

Object-Based Evaluation of a Storm-Scale Ensemble during the 2009 NOAA Hazardous Weather Testbed Spring Experiment  

Science Conference Proceedings (OSTI)

Object-based verification of deterministic forecasts from a convection-allowing ensemble for the 2009 NOAA Hazardous Weather Testbed Spring Experiment is conducted. The average of object attributes is compared between forecasts and observations ...

Aaron Johnson; Xuguang Wang

2013-03-01T23:59:59.000Z

420

NFI Forecasts Methodology NFI Forecasts Methodology  

E-Print Network (OSTI)

NFI Forecasts Methodology NFI Forecasts Methodology Overview Issued by: National Forest Inventory.brewer@forestry.gsi.gov.uk Website: www.forestry.gov.uk/inventory 1 NFI Softwood Forecasts Methodology Overview #12;NFI Forecasts ........................................................................................................4 Rationale behind the new approach to the GB Private sector production forecast ........4 Volume

Note: This page contains sample records for the topic "global weather forecast" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


421

Forecast Technical Document Restocking in the Forecast  

E-Print Network (OSTI)

Forecast Technical Document Restocking in the Forecast A document describing how restocking of felled areas is handled in the 2011 Production Forecast. Tom Jenkins Robert Matthews Ewan Mackie Lesley in the forecast Background During the period of a production forecast it is assumed that, as forest sub

422

> BUREAU HOME > AUSTRALIA > QUEENSLAND > FORECASTS FORECAST IMPROVEMENTS  

E-Print Network (OSTI)

> BUREAU HOME > AUSTRALIA > QUEENSLAND > FORECASTS BRISBANE FORECAST IMPROVEMENTS The Bureau of Meteorology is progressively upgrading its forecast system to provide more detailed forecasts across Australia. From October 2013 new and improved 7 day forecasts will be introduced for Brisbane, Gold Coast

Greenslade, Diana

423

Forecasting for a Remote Island: A Class Exercise  

Science Conference Proceedings (OSTI)

Students enrolled in a satellite meteorology course at North Carolina State University, Raleigh, recently had an unusual opportunity to apply their forecast skills to predict wind and weather conditions for a remote site in the Southern ...

Allen J. Riordan

2003-06-01T23:59:59.000Z

424

PROBCAST: A Web-Based Portal to Mesoscale Probabilistic Forecasts  

Science Conference Proceedings (OSTI)

This paper describes the University of Washington Probability Forecast (PROBCAST), a Web-based portal to probabilistic weather predictions over the Pacific Northwest. PROBCAST products are derived from the output of a mesoscale ensemble system ...

Clifford Mass; Jeff Baars; Susan Joslyn; John Pyle; Patrick Tewson; David Jones; Tilmann Gneiting; Adrian Raftery; J. M. Sloughter; Chris Fraley

2009-07-01T23:59:59.000Z

425

Dynamical Extended Range Forecasting (DERF) at the National Meteorological Center  

Science Conference Proceedings (OSTI)

Early results are presented of an experimental program in Dynamical Extended Range Forecasting at the National Meteorological Center. The primary objective of this program is to assess the feasibility of extending operational numerical weather ...

M. Steven Tracton; Kingtse Mo; Wilbur Chen; Eugenia Kalnay; Robert Kistler; Glenn White

1989-07-01T23:59:59.000Z

426

The Early History of Probability Forecasts: Some Extensions and Clarifications  

Science Conference Proceedings (OSTI)

Heretofore it has been widely accepted that the contributions of W. E. Cooke in 1906 represented the first works related to the explicit treatment of uncertainty in weather forecasts. Recently, however, it has come to light that at least some ...

Allan H. Murphy

1998-03-01T23:59:59.000Z

427

Does Increased Horizontal Resolution Improve Hurricane Wind Forecasts?  

Science Conference Proceedings (OSTI)

The representation of tropical cyclone track, intensity, and structure in a set of 69 parallel forecasts performed at each of two horizontal grid increments with the Advanced Research Hurricane (AHW) component of the Weather and Research and ...

Christopher Davis; Wei Wang; Jimy Dudhia; Ryan Torn

2010-12-01T23:59:59.000Z

428

A Forecasting/Nowcasting System for Remote Field Locations  

Science Conference Proceedings (OSTI)

Vast quantities of frequently updated weather data for both forecasting and nowcasting are generally required in meteorological field programs. The continuing synthesis of this data to suit specific operations is best accomplished using ...

Harry T. Ochs III; Stanley Q. Kidder

1989-02-01T23:59:59.000Z

429

The WGNE Assessment of Short-term Quantitative Precipitation Forecasts  

Science Conference Proceedings (OSTI)

Twenty-four-hour and 48-h quantitative precipitation forecasts (QPFs) from 11 operational numerical weather prediction models have been verified for a 4-yr period against rain gauge observations over the United States, Germany, and Australia to ...

Elizabeth E. Ebert; Ulrich Damrath; Werner Wergen; Michael E. Baldwin

2003-04-01T23:59:59.000Z

430

Short-Term Single-Station Forecasting of Precipitation  

Science Conference Proceedings (OSTI)

Forecast probabilities of rain were calculated up to 12 hours in advance using a Markov chain model applied to three-hourly observations from five major Australian cities. The four weather states chosen in this first study were three cloudiness ...

A. J. Miller; L. M. Leslie

1984-06-01T23:59:59.000Z

431

Probabilistic Quantitative Precipitation Forecast for Flood Prediction: An Application  

Science Conference Proceedings (OSTI)

This paper outlines a methodology to produce probabilistic quantitative precipitation forecasts by means of a dedicated uncertainty processor for weather model output. The uncertainty processor is developed as a component of a Bayesian ...

P. Reggiani; A. H. Weerts

2008-02-01T23:59:59.000Z

432

STORMTIPE-95: Results from a Convective Storm Forecast Experiment  

Science Conference Proceedings (OSTI)

During the spring of 1995, an operational forecast experiment using a three-dimensional cloud model was carried out for the north Texas region. Gridpoint soundings were obtained from the daily operational numerical weather prediction models run ...

Louis J. Wicker; Michael P. Kay; Michael P. Foster

1997-09-01T23:59:59.000Z

433

Probabilistic Quantitative Precipitation Forecasting Using Bayesian Model Averaging  

Science Conference Proceedings (OSTI)

Bayesian model averaging (BMA) is a statistical way of postprocessing forecast ensembles to create predictive probability density functions (PDFs) for weather quantities. It represents the predictive PDF as a weighted average of PDFs centered on ...

J. Mc Lean Sloughter; Adrian E. Raftery; Tilmann Gneiting; Chris Fraley

2007-09-01T23:59:59.000Z

434

Using Bayesian Model Averaging to Calibrate Forecast Ensembles  

Science Conference Proceedings (OSTI)

Ensembles used for probabilistic weather forecasting often exhibit a spread-error correlation, but they tend to be underdispersive. This paper proposes a statistical method for postprocessing ensembles based on Bayesian model averaging (BMA), ...

Adrian E. Raftery; Tilmann Gneiting; Fadoua Balabdaoui; Michael Polakowski

2005-05-01T23:59:59.000Z

435

American Solar Energy Society Proc. ASES Annual Conference, Raleigh, NC, EVALUATION OF NUMERICAL WEATHER PREDICTION  

E-Print Network (OSTI)

OF NUMERICAL WEATHER PREDICTION SOLAR IRRADIANCE FORECASTS IN THE US Richard Perez ASRC, Albany, NY, Perez to solar radiation forecasting include (1) numerical weather prediction (NWP) models that infer local cloud© American Solar Energy Society ­ Proc. ASES Annual Conference, Raleigh, NC, EVALUATION

Perez, Richard R.

436

Response of model simulated weather parameters to round-off-errors on different systems  

Science Conference Proceedings (OSTI)

In this study, the weather forecasting model of the National Centre for Medium Range Weather Forecasting (NCMRWF) is used for examining the characteristics of round-off-errors on three different computer architectures - PARAM 10K, SUNFIRE 6800 and Dec ... Keywords: Floating-point arithmetic, General Circulation Model (GCM), Iterative process, Model simulation, Round-off-errors, Spectral method

S. Goel; S. K. Dash

2007-08-01T23:59:59.000Z

437

Using a Fuzzy-Petri-Net-Based Approach for the Offshore Weather Prediction  

Science Conference Proceedings (OSTI)

For the huge amounts of data related to the atmospheric elements, the difficulty of weather forecasting is very large, which require an intelligent environment. To solve the problem, a fuzzy Petri net (FPN) model to represent knowledge and the behavior ... Keywords: fuzzy Petri net, weather forecasting, intelligent database, problematic behavior

Yan Chenghua; Chen Qixiang

2009-06-01T23:59:59.000Z

438

Multiple-Radar Data Assimilation and Short-Range Quantitative Precipitation Forecasting of a Squall Line Observed during IHOP_2002  

Science Conference Proceedings (OSTI)

The impact of multiple–Doppler radar data assimilation on quantitative precipitation forecasting (QPF) is examined in this study. The newly developed Weather Research and Forecasting (WRF) model Advanced Research WRF (ARW) and its three-...

Qingnong Xiao; Juanzhen Sun

2007-10-01T23:59:59.000Z

439

Comparison of Model Forecast Skill of Sea Level Pressure along the East and West Coasts of the United States  

Science Conference Proceedings (OSTI)

Despite recent advances in numerical weather prediction, major errors in short-range forecasts still occur. To gain insight into the origin and nature of model forecast errors, error frequencies and magnitudes need to be documented for different ...

Garrett B. Wedam; Lynn A. McMurdie; Clifford F. Mass

2009-06-01T23:59:59.000Z

440

Probability Forecasting in Sweden: Some Results of Experimental and Operational Programs at the Swedish Meteorological and Hydrological Institute  

Science Conference Proceedings (OSTI)

This paper describes new operational and experimental forecasting programs at the Swedish Meteorological and Hydrological Institute (SMHI) designed to provide users with more detailed and more useful weather forecasts. User groups currently ...

Karl-Ivar Ivarsson; Rune Joelsson; Erik Liljas; Allan H. Murphy

1986-12-01T23:59:59.000Z

Note: This page contains sample records for the topic "global weather forecast" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


441

Value of Real-Time Vegetation Fraction to Forecasts of Severe Convection in High-Resolution Models  

Science Conference Proceedings (OSTI)

Near-real-time values of vegetation fraction are incorporated into a 2-km nested version of the Advanced Research Weather Research and Forecasting (ARW) model and compared to forecasts from a control run that uses climatological values of ...

Kenneth A. James; David J. Stensrud; Nusrat Yussouf

2009-02-01T23:59:59.000Z

442

Another Approach to Forecasting Forecast Skill  

Science Conference Proceedings (OSTI)

The skill of a medium-range numerical forecast can fluctuate widely from day to day. Providing an a priori estimate of the skill of the forecast is therefore important. Existing approaches include Monte Carlo Forecasting and Lagged Average ...

W. Y. Chen

1989-02-01T23:59:59.000Z

443

Today's Forecast: Improved Wind Predictions | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Today's Forecast: Improved Wind Predictions Today's Forecast: Improved Wind Predictions Today's Forecast: Improved Wind Predictions July 20, 2011 - 6:30pm Addthis Stan Calvert Wind Systems Integration Team Lead, Wind & Water Power Program What does this project do? It will increase the accuracy of weather forecast models for predicting substantial changes in winds at heights important for wind energy up to six hours in advance, allowing grid operators to predict expected wind power production. Accurate weather forecasts are critical for making energy sources -- including wind and solar -- dependable and predictable. These forecasts also play an important role in reducing the cost of renewable energy by allowing electricity grid operators to make timely decisions on what reserve generation they need to operate their systems.

444

Today's Forecast: Improved Wind Predictions | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Today's Forecast: Improved Wind Predictions Today's Forecast: Improved Wind Predictions Today's Forecast: Improved Wind Predictions July 20, 2011 - 6:30pm Addthis Stan Calvert Wind Systems Integration Team Lead, Wind & Water Power Program What does this project do? It will increase the accuracy of weather forecast models for predicting substantial changes in winds at heights important for wind energy up to six hours in advance, allowing grid operators to predict expected wind power production. Accurate weather forecasts are critical for making energy sources -- including wind and solar -- dependable and predictable. These forecasts also play an important role in reducing the cost of renewable energy by allowing electricity grid operators to make timely decisions on what reserve generation they need to operate their systems.

445

Object-Based Evaluation of the Impact of Horizontal Grid Spacing on Convection-Allowing Forecasts  

Science Conference Proceedings (OSTI)

Forecasts generated by the Center for Analysis and Prediction of Storms with 1- and 4-km grid spacing using the Advanced Research Weather Research and Forecasting Model (ARW-WRF; ARW1 and ARW4, respectively) for the 2009–11 NOAA Hazardous Weather ...

Aaron Johnson; Xuguang Wang; Fanyou Kong; Ming Xue

2013-10-01T23:59:59.000Z

446

Forecasts of Monthly 700 mb Height: Verification and Specification Experiments  

Science Conference Proceedings (OSTI)

Twenty-five years (1958-82) of monthly 700 ml, geopotential forecasts produced by the U.S. National Weather Service are verified and then used in a series of temperature specification experiments. The forecasts show skill with respect to ...

John E. Walsh

1984-11-01T23:59:59.000Z

447

Long-Lead Seasonal Forecasts—Where Do We Stand?  

Science Conference Proceedings (OSTI)

The National Weather Service intends to begin routinely issuing long-lead forecasts of 3-month mean U.S. temperature and precipitation by the beginning of 1995. The ability to produce useful forecasts for certain seasons and regions at projection ...

Anthony G. Barnston; Huug M. van den Dool; David R. Rodenhuis; Chester R. Ropelewski; Vernon E. Kousky; Edward A. O'Lenic; Robert E. Livezey; Stephen E. Zebiak; Mark A. Cane; Tim P. Barnett; Nicholas E. Graham; Ming Ji; Ants Leetmaa

1994-11-01T23:59:59.000Z

448

Improved Model Output Statistics Forecasts through Model Consensus  

Science Conference Proceedings (OSTI)

Consensus forecasts are computed by averaging model output statistics (MOS) forecasts based on the limited-area fine-mesh (LFM) model and the nested grid model (NGM) for the three-year period 1990–92. The test consists of four weather elements (...

Robert L. Vislocky; J. Michael Fritsch

1995-07-01T23:59:59.000Z

449

Weather Extremes  

NLE Websites -- All DOE Office Websites (Extended Search)

Extremes Extremes Nature Bulletin No. 45 December 15, 1945 Forest Preserve District of Cook County Clayton F. Smith, President Roberts Mann, Superintendent of Conservation WEATHER EXTREMES Chicago lies in a temperate zone. We are fortunate. The lowest temperature recorded here since the establishment of the Weather Bureau in 1870 was -- 23 F on Dec. 24, 1872. The lowest records elsewhere in the United States are--66 F at Riverside Ranger Station, Yellowstone Park, Wyoming, on Feb. 9, 1933; and -- 78 F at Fort Yukon, Alaska, on Jan. 14, 1934. The lowest record anywhere on earth is 90 F at Verkhoyansk, Siberia, Feb. 5 and 7, 1892. The greatest snowfall recorded in Chicago in one 24-hour period was 14.9 inches on Jan. 30, 1939; but 19.2 inches fell between 1:10 a.m. on March 24 and 8:33 p.m. on March 26, 1930.

450

QuikSCAT Impacts on Coastal Forecasts and Warnings: Operational Utility of Satellite Ocean Surface Vector Wind Data  

Science Conference Proceedings (OSTI)

This study reports on the operational utility of ocean surface vector wind (SVW) data from Quick Scatterometer (QuikSCAT) observations in the National Oceanic and Atmospheric Administration (NOAA) National Weather Service (NWS) Weather Forecast ...

Ralph F. Milliff; Peter A. Stamus

2008-10-01T23:59:59.000Z

451

Radiation fog forecasting using a 1-dimensional model  

E-Print Network (OSTI)

The importance of fog forecasting to the aviation community, to road transportation and to the public at large is irrefutable. The deadliest aviation accident in history was in fact partly a result of fog back on 27 March 1977. This has, along with numerous less dramatic examples, helped focus many meteorological efforts into trying to forecast this phenomenon as accurately as possible. Until recently, methods of fog forecasting have relied primarily on the forecaster's ability to recognize surface weather patterns known to be favorable for producing fog and once it has formed, to state that it will persist unless the pattern changes. Unfortunately, while such methods have shown some success, many times they have led weather forecasters astray with regards to the onset and dissipation of the phenomenon. Fortunately, now with computers becoming ever-increasingly powerful, numerical models have been utilized to attempt to more accurately deal with the fog forecasting problem. This study uses a 1 dimensional model called COBEL to simulate several past fog cases in the hopes of mimicking its actual occurrence and determining what weather parameters the fog is most sensitive to. The goal is to create a technique where the weather forecaster will be able to run several fog forecasts with the model each time with different initial conditions representing the uncertain weather conditions. In this way, the forecaster will be able to use his expertise to choose the most likely scenario. Results indicate that COBEL is able to simulate the fog cases quite well. Issues remain with the model's handling of the gravitational settling rate, the fact that it currently does not include any vegetation, and its coupling process with the soil model. Nevertheless, simulations and sensitivity tests indicate that soil temperature, soil moisture, low-level winds, initial relative humidity, dew deposition and surface emissivity are the weather parameters that affect fog the most. These parameters will be prime candidates for the 1 dimensional ensemble (ODEP) technique described above.

Peyraud, Lionel

2001-01-01T23:59:59.000Z

452

Probabilistic Forecast Calibration Using ECMWF and GFS Ensemble Reforecasts. Part II: Precipitation  

E-Print Network (OSTI)

Probabilistic Forecast Calibration Using ECMWF and GFS Ensemble Reforecasts. Part II: Precipitation for Medium-Range Weather Forecasts, Reading, United Kingdom JEFFREY S. WHITAKER NOAA/Earth System Research As a companion to Part I, which discussed the calibration of probabilistic 2-m temperature forecasts using large

Hamill, Tom

453

Concepts of medium-range (13 days) geomagnetic forecasting Hans Gleisner *, Jurgen Watermann  

E-Print Network (OSTI)

Concepts of medium-range (1­3 days) geomagnetic forecasting Hans Gleisner *, Ju¨rgen Watermann to geomagnetic forecasting. In this report from an ongoing study within the ESA Space Weather Appli- cations of geomagnetic activity forecasts hours to days ahead. Observations of eruptive events on the Sun are nowadays

Gleisner, Hans

454

An Assessment of Thunderstorm Probability Forecasting Skill  

Science Conference Proceedings (OSTI)

An analysis of the 11-year (1983–1993) skill of subjective 24-h thunderstorm probability forecasts made by staff and students at the State University of New York at Albany is presented. Skill is measured relative to the long-term National Weather ...

Lance F. Bosart; Michael G. Landin

1994-12-01T23:59:59.000Z

455

Forecast Prices  

Gasoline and Diesel Fuel Update (EIA)

Notes: Notes: Prices have already recovered from the spike, but are expected to remain elevated over year-ago levels because of the higher crude oil prices. There is a lot of uncertainty in the market as to where crude oil prices will be next winter, but our current forecast has them declining about $2.50 per barrel (6 cents per gallon) from today's levels by next October. U.S. average residential heating oil prices peaked at almost $1.50 as a result of the problems in the Northeast this past winter. The current forecast has them peaking at $1.08 next winter, but we will be revisiting the outlook in more detail next fall and presenting our findings at the annual Winter Fuels Conference. Similarly, diesel prices are also expected to fall. The current outlook projects retail diesel prices dropping about 14 cents per gallon

456

Posters Toward an Operational Water Vapor Remote Sensing System Using the Global Positioning System  

NLE Websites -- All DOE Office Websites (Extended Search)

3 3 Posters Toward an Operational Water Vapor Remote Sensing System Using the Global Positioning System S. I. Gutman, (a) R. B. Chadwick, (b) and D. W. Wolf (c) National Oceanic and Atmospheric Administration Boulder, Colorado A. Simon Cooperative Institute for Research in Environmental Science Boulder, Colorado T. Van Hove and C. Rocken University Navstar Consortium Boulder, Colorado Background Water vapor is one of the most important constituents of the free atmosphere since it is the principal mechanism by which moisture and latent heat are transported and cause "weather." The measurement of atmospheric water vapor is essential for weather and climate research as well as for operational weather forecasting. An important goal in modern weather prediction is to improve the accuracy of short-term

457

ELECTRICITY DEMAND FORECAST COMPARISON REPORT  

E-Print Network (OSTI)

CALIFORNIA ENERGY COMMISSION ELECTRICITY DEMAND FORECAST COMPARISON REPORT STAFFREPORT June 2005 ..............................................................................3 Residential Forecast Comparison ..............................................................................................5 Nonresidential Forecast Comparisons

458

The Forecast Gap: Linking Forwards and Forecasts  

Science Conference Proceedings (OSTI)

This report addresses a common problem in price forecasting: What to do when confronted with a persistent gap between results obtained from a structural forecast model and actual forward or spot prices? The report examines examples taken from natural gas and electric power forecasts and presents a novel approach to closing this “forecast gap.” Inspection reveals that the ratio of actual prices to forecast prices often exhibits stochastic movements that resemble those of commodity price movements. By usin...

2008-12-15T23:59:59.000Z

459

Building Energy Software Tools Directory : Weather Tool  

NLE Websites -- All DOE Office Websites (Extended Search)

Weather Tool Back to Tool Screenshot for Weather Tool. Screenshot for Weather Tool. Screenshot for Weather...

460

Impact of Assimilating AMSU-A Radiances on Forecasts of 2008 Atlantic Tropical Cyclones Initialized with a Limited-Area Ensemble Kalman Filter  

Science Conference Proceedings (OSTI)

The impact of assimilating radiance observations from the Advanced Microwave Sounding Unit-A (AMSU-A) on forecasts of several tropical cyclones (TCs) was studied using the Weather Research and Forecasting Model (WRF) and a limited-area ensemble ...

Zhiquan Liu; Craig S. Schwartz; Chris Snyder; So-Young Ha

2012-12-01T23:59:59.000Z

Note: This page contains sample records for the topic "global weather forecast" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


461

Bias Correction and Forecast Skill of NCEP GFS Ensemble Week-1 and Week-2 Precipitation, 2-m Surface Air Temperature, and Soil Moisture Forecasts  

Science Conference Proceedings (OSTI)

A simple bias correction method was used to correct daily operational ensemble week-1 and week-2 precipitation and 2-m surface air temperature forecasts from the NCEP Global Forecast System (GFS). The study shows some unexpected and striking ...

Yun Fan; Huug van den Dool

2011-06-01T23:59:59.000Z

462

Changes to the 1995 NCEP Operational Medium-Range Forecast Model Analysis–Forecast System  

Science Conference Proceedings (OSTI)

Recent changes in the operational National Centers for Environmental Prediction (formerly the National Meteorological Center) global analysis–forecast system are described. The most significant analysis change was the direct use of satellite-...

Peter Caplan; John Derber; William Gemmill; Song-You Hong; Hua-Lu Pan; David Parrish

1997-09-01T23:59:59.000Z

463

Minding the Weather  

Science Conference Proceedings (OSTI)

Weather salience is a construct that pertains to the psychological value, significance, and attunement that people have for the weather and its changes. In this article the author describes the construct of weather salience and a measure that was ...

Alan E. Stewart

2009-12-01T23:59:59.000Z

464

NEWTON's Weather Links  

NLE Websites -- All DOE Office Websites (Extended Search)

References Do you have a great weather reference link? Please click our Ideas page. Featured Reference Links: NOAA Teachers Support Page NOAA Teachers Support Page for Weather and...

465

Appendix A: Fuel Price Forecast Introduction..................................................................................................................................... 1  

E-Print Network (OSTI)

Appendix A: Fuel Price Forecast Introduction................................................................................................................................. 3 Price Forecasts............................................................................................................................... 12 Oil Price Forecast Range

466

Metrics for Evaluating the Accuracy of Solar Power Forecasting: Preprint  

Science Conference Proceedings (OSTI)

Forecasting solar energy generation is a challenging task due to the variety of solar power systems and weather regimes encountered. Forecast inaccuracies can result in substantial economic losses and power system reliability issues. This paper presents a suite of generally applicable and value-based metrics for solar forecasting for a comprehensive set of scenarios (i.e., different time horizons, geographic locations, applications, etc.). In addition, a comprehensive framework is developed to analyze the sensitivity of the proposed metrics to three types of solar forecasting improvements using a design of experiments methodology, in conjunction with response surface and sensitivity analysis methods. The results show that the developed metrics can efficiently evaluate the quality of solar forecasts, and assess the economic and reliability impact of improved solar forecasting.

Zhang, J.; Hodge, B. M.; Florita, A.; Lu, S.; Hamann, H. F.; Banunarayanan, V.

2013-10-01T23:59:59.000Z

467

Wavelet-based multi-resolution analysis and artificial neural networks for forecasting temperature and thermal power consumption  

E-Print Network (OSTI)

a novel technique for electric load forecasting based on neural weather compensation. They proposed in the context of short or long-term load forecasting and power utilities management. The complex and nonlinear-term load forecasting. They concluded that the just-mentioned tools can be good candidates

Paris-Sud XI, Université de

468

Using Bayesian Model Averaging to Calibrate Forecast Ensembles ADRIAN E. RAFTERY, TILMANN GNEITING, FADOUA BALABDAOUI, AND MICHAEL POLAKOWSKI  

E-Print Network (OSTI)

Using Bayesian Model Averaging to Calibrate Forecast Ensembles ADRIAN E. RAFTERY, TILMANN GNEITING for probabilistic weather forecasting often exhibit a spread-error correlation, but they tend to be underdispersive centered on the individual bias-corrected forecasts, where the weights are equal to posterior probabilities

Raftery, Adrian

469

A Comparison of Precipitation Forecast Skill between Small Convection-Allowing and Large Convection-Parameterizing Ensembles  

E-Print Network (OSTI)

A Comparison of Precipitation Forecast Skill between Small Convection- Allowing and Large Submitted to Weather and Forecasting in October 2008, Accepted in January 2009 * Corresponding author precipitation forecasts from a 5-member, 4-km grid-spacing (ENS4) and a 15-member, 20-km grid-spacing (ENS20

Droegemeier, Kelvin K.

470

Regression modeling method of space weather prediction  

E-Print Network (OSTI)

A regression modeling method of space weather prediction is proposed. It allows forecasting Dst index up to 6 hours ahead with about 90% correlation. It can also be used for constructing phenomenological models of interaction between the solar wind and the magnetosphere. With its help two new geoeffective parameters were found: latitudinal and longitudinal flow angles of the solar wind. It was shown that Dst index remembers its previous values for 2000 hours.

Parnowski, Aleksei

2009-01-01T23:59:59.000Z

471

Forecast Skill of the Madden–Julian Oscillation in Two Canadian Atmospheric Models  

Science Conference Proceedings (OSTI)

The output of two global atmospheric models participating in the second phase of the Canadian Historical Forecasting Project (HFP2) is utilized to assess the forecast skill of the Madden–Julian oscillation (MJO). The two models are the third ...

Hai Lin; Gilbert Brunet; Jacques Derome

2008-11-01T23:59:59.000Z

472

Large Forecast Degradations due to Synoptic Surveillance during the 2004 and 2005 Hurricane Seasons  

Science Conference Proceedings (OSTI)

Though operational tropical cyclone synoptic surveillance generally leads to smaller track forecast errors in the National Oceanic and Atmospheric Administration Global Forecasting System (GFS) than would occur otherwise, not every case is ...

Sim D. Aberson

2008-08-01T23:59:59.000Z

473

A Stochastic-Dynamic Model for the Spatial Structure of Forecast Error Statistics  

Science Conference Proceedings (OSTI)

A simple model that yields the spatial correlation structure of global atmospheric mass-field forecast errors is derived. The model states that the relative potential vorticity of the forecast error is forced by spatially multi-dimensional white ...

R. Balgovind; A. Dalcher; M. Ghil; E. Kalnay

1983-04-01T23:59:59.000Z

474

Monthly Forecast of the Madden–Julian Oscillation Using a Coupled GCM  

Science Conference Proceedings (OSTI)

A set of five-member ensemble forecasts initialized daily for 48 days during the Tropical Ocean Global Atmosphere Coupled Ocean–Atmosphere Response Experiment period are performed with the ECMWF monthly forecasting system in order to assess its ...

Frédéric Vitart; Steve Woolnough; M. A. Balmaseda; A. M. Tompkins

2007-07-01T23:59:59.000Z

475

Playing with the weather  

Science Conference Proceedings (OSTI)

In this paper the contribution of real time weather data to player enjoyment was tested and evaluated. To gauge the contribution of weather to player engagement an adaptronic, multiplayer, location based game, where real time weather data is key to the ... Keywords: adaptronic games, casual game, game, location based, multiplayer games, pervasive game, weather

Sofia Reis; Nuno Correia

2012-09-01T23:59:59.000Z

476

A Methodology for Predicting the Puget Sound Convergence Zone and Its Associated Weather  

Science Conference Proceedings (OSTI)

The Puget Sound Convergence Zone (PSCZ) is a terrain-induced mesoscale phenomenon that occurs in western Washington and has a dramatic impact on local weather. This paper presents the operational forecasting techniques that are used at the ...

William M. Whitney; Robert L. Doherty; Bradley R. Colman

1993-06-01T23:59:59.000Z

477

The Accuracy of Solar Irradiance Calculations Used in Mesoscale Numerical Weather Prediction  

Science Conference Proceedings (OSTI)

In this paper, solar irradiance forecasts made by mesoscale numerical weather prediction models are compared with observations taken during three air-quality experiments in various parts of the United States. The authors evaluated the fifth-...

Robert J. Zamora; Ellsworth G. Dutton; Michael Trainer; Stuart A. McKeen; James M. Wilczak; Yu-Tai Hou

2005-04-01T23:59:59.000Z

478

A Quasi-Lagrangian Regional Model Designed for Operational Weather Prediction  

Science Conference Proceedings (OSTI)

A regional numerical weather prediction model is designed using the quasi-Lagrangian method for operational forecasting of synoptic and mesoscale disturbances. The nonlinear advective terms and the total forcing experienced by a fluid parcel are ...

Mukut B. Mathur

1983-10-01T23:59:59.000Z

479

Collaborative Research Activities between National Weather Service Operational Offices and Universities  

Science Conference Proceedings (OSTI)

The modernization of the National Weather Service (NWS) will provide new datasets along with advanced technological capabilities that will enhance our understanding of meteorological and hydrological processes. Improved local warning and forecast ...

Eugene P. Auciello; Ronald L. Lavoie

1993-04-01T23:59:59.000Z

480

Ensemble Data Assimilation to Characterize Surface-Layer Errors in Numerical Weather Prediction Models  

Science Conference Proceedings (OSTI)

Experiments with the single-column implementation of the Weather Research and Forecasting Model provide a basis for deducing land–atmosphere coupling errors in the model. Coupling occurs both through heat and moisture fluxes through the land–...

J. P. Hacker; W. M. Angevine

2013-06-01T23:59:59.000Z

Note: This page contains sample records for the topic "global weather forecast" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


481

Identification of Aviation Weather Hazards Based on the Integration of Radar and Lightning Data  

Science Conference Proceedings (OSTI)

The National Weather Service Eastern Region is carrying out a national risk-reduction exercise at the Baltimore-Washington Forecast Office in Sterling, Virginia. The primary objective of this project is to integrate information from remote sensor ...

Andrew D. Stern; Raymond H. Brady III; Patrick D. Moore; Gary M. Carter

1994-12-01T23:59:59.000Z

482

Examination of a Real-Time 3DVAR Analysis System in the Hazardous Weather Testbed  

Science Conference Proceedings (OSTI)

Forecasters and research meteorologists tested a real-time three-dimensional variational data assimilation (3DVAR) system in the Hazardous Weather Testbed during the springs of 2010-2012 to determine its capabilities to assist in the warning ...

Travis M. Smith; Jidong Gao; Kristin M. Calhoun; David J. Stensrud; Kevin L. Manross; Kiel L. Ortega; Chenghao Fu; Darrel M. Kingfield; Kimberly L. Elmore; Valliappa Lakshmanan; Christopher Riedel

483

The Quantitative Use of PIREPs in Developing Aviation Weather Guidance Products  

Science Conference Proceedings (OSTI)

An evaluation of the utility of pilot reports (PIREPs) of weather for aviation forecasting product development is presented. Although PIREPs were never intended for quantitative use, this limitation has not prevented developers of improved ...

Barry Schwartz

1996-09-01T23:59:59.000Z

484

Organization of the River and Flood Program in the National Weather Service  

Science Conference Proceedings (OSTI)

The National Weather Service is charged by law with the responsibility of issuing forecasts and warnings of floods to the nation to help save lives and mitigate property damage. This mission falls under the authority of the River and Flood ...

E. A. Stallings; L. A. Wenzel

1995-09-01T23:59:59.000Z

485

The S2K Severe Weather Detection Algorithms and Their Performance  

Science Conference Proceedings (OSTI)

One of the main goals of the Sydney 2000 Forecast Demonstration Project was to demonstrate the efficacy and utility of automated severe weather detection radar algorithms. As a contribution to this goal, this paper describes the radar-based ...

Paul Joe; Don Burgess; Rod Potts; Tom Keenan; Greg Stumpf; Andrew Treloar

2004-02-01T23:59:59.000Z

486

Environment Canada's Experimental Numerical Weather Prediction Systems for the Vancouver 2010 Winter Olympic and Paralympic Games  

Science Conference Proceedings (OSTI)

The 2010 Winter Olympic and Paralympic Games took place in Vancouver, British Columbia, Canada, on 12–28 February and 12–21 March 2010, respectively. Weather forecasting presents specific challenges at the various Olympic venues, which are ...

J. Mailhot; S. Bélair; M. Charron; C. Doyle; P. Joe; M. Abrahamowicz; N. B. Bernier; B. Denis; A. Erfani; R. Frenette; A. Giguère; G. A. Isaac; N. McLennan; R. McTaggart-Cowan; J. Milbrandt; L. Tong

2010-08-01T23:59:59.000Z

487

Model-Driven, Assertion-Based Generation of Multimedia Weather Information  

Science Conference Proceedings (OSTI)

As gridded forecasts are becoming a common source of weather data, efforts are being made to automatically produce displays for various categories of decision makers such as emergency managers and road traffic officers. This paper proposes a new ...

Stephan Kerpedjiev

1995-10-01T23:59:59.000Z

488

Significant Winter Weather Events and Associated Socioeconomic Impacts (Federal Aid Expenditures) across Oklahoma: 2000–10  

Science Conference Proceedings (OSTI)

Exceptionally severe winter storms that overwhelm local government result in major disaster declarations. Each National Weather Service forecast office in the United States reports winter events for a specific group of counties, known as the ...

Trevor Grout; Yang Hong; Jeffrey Basara; Balabhaskar Balasundaram; Zhenyu Kong; Satish T. S. Bukkapatnam

2012-01-01T23:59:59.000Z

489

Forecasts, Meteorology Services, Environmental Sciences Department  

NLE Websites -- All DOE Office Websites (Extended Search)

Forecasts Short Term Forecast Suffolk County Northern Nassau Southern Nassau Area Forecast Discussion - OKX Area Forecast Discussion - NYS Area Forecast Discussion Mount Holly Area...

490

Weatherization and Intergovernmental Program: History of the Weatherization  

NLE Websites -- All DOE Office Websites (Extended Search)

History History of the Weatherization Assistance Program to someone by E-mail Share Weatherization and Intergovernmental Program: History of the Weatherization Assistance Program on Facebook Tweet about Weatherization and Intergovernmental Program: History of the Weatherization Assistance Program on Twitter Bookmark Weatherization and Intergovernmental Program: History of the Weatherization Assistance Program on Google Bookmark Weatherization and Intergovernmental Program: History of the Weatherization Assistance Program on Delicious Rank Weatherization and Intergovernmental Program: History of the Weatherization Assistance Program on Digg Find More places to share Weatherization and Intergovernmental Program: History of the Weatherization Assistance Program on AddThis.com...

491

Understanding the Influence of Climate Forecasts on Farmer Decisions as Planned Behavior  

Science Conference Proceedings (OSTI)

Results of a set of four regression models applied to recent survey data of farmers in eastern Nebraska suggest the causes that drive farmer intentions of using weather and climate information and forecasts in farming decisions. The model results ...

Ikrom Artikov; Stacey J. Hoffman; Gary D. Lynne; Lisa M. Pytlik Zillig; Qi Hu; Alan J. Tomkins; Kenneth G. Hubbard; Michael J. Hayes; William Waltman

2006-09-01T23:59:59.000Z

492

The influence of frequency shifts in microwave sounder channels on NWP analyses and forecasts  

Science Conference Proceedings (OSTI)

The sensitivity of Numerical Weather Prediction (NWP) analysis and forecast accuracies with respect to frequency shift in microwave passbands is quantified through a series of observing system experiments using the ECMWF integrated assimilation ...

Carole Peubey; William Bell

493

On the Use of Mesoscale and Cloud-Scale Models in Operational Forecasting  

Science Conference Proceedings (OSTI)

In the near future, the technological capability will be available to use mesoscale and cloud-scale numerical models for forecasting convective weather in operational meteorology. We address some of the issues concerning effective utilization of ...

Harold E. Brooks; Charles A. Doswell III; Robert A. Maddox

1992-03-01T23:59:59.000Z

494

Impact of Resolution Degradation of the Initial Condition on Typhoon Track Forecasts  

Science Conference Proceedings (OSTI)

The operational numerical weather prediction (NWP) systems at the Japan Meteorological Agency (JMA) indicated that the typhoon track forecasts made by the control member of the ensemble prediction system (EPS) tended to be worse than those made ...

Takemasa Miyoshi; Takuya Komori; Hitoshi Yonehara; Ryota Sakai; Munenhiko Yamaguchi

2010-10-01T23:59:59.000Z

495

A Computational Web Portal for the Distributed Marine Environment Forecast System  

Science Conference Proceedings (OSTI)

This paper describes a prototype computational Web Portal for the Distributed Marine Environment Forecast System (DMEFS). DMEFS is a research framework to develop and operate validated Climate-Weather-Ocean models. The DMEFS portal is implemented as ...

Tomasz Haupt; Purushotham Bangalore; Gregory Henley

2001-06-01T23:59:59.000Z

496

Extended-Range Probabilistic Forecasts of Ganges and Brahmaputra Floods in Bangladesh  

Science Conference Proceedings (OSTI)

The authors have developed a new extended-range flood forecasting system for large river basins that uses satellite data and statistically rendered probabilistic weather and climate predictions to initialize basin-scale hydrological models. The ...

Peter J. Webster; Jun Jian; Thomas M. Hopson; Carlos D. Hoyos; Paula A. Agudelo; Hai-Ru Chang; Judith A. Curry; Robert L. Grossman; Timothy N. Palmer; A. R. Subbiah

2010-11-01T23:59:59.000Z

497

Data Mining Numerical Model Output for Single-Station Cloud-Ceiling Forecast Algorithms  

Science Conference Proceedings (OSTI)

Accurate cloud-ceiling-height forecasts derived from numerical weather prediction (NWP) model data are useful for aviation and other interests where low cloud ceilings have an impact on operations. A demonstration of the usefulness of data-mining ...

Richard L. Bankert; Michael Hadjimichael

2007-10-01T23:59:59.000Z

498

H. L. Wagner's Unbiased Hit Rate and the Assessment of Categorical Forecasting Accuracy  

Science Conference Proceedings (OSTI)

The paper briefly reviews measures that have been proposed since the 1880s to assess accuracy and skill in categorical weather forecasting. The majority of the measures consist of a single expression, for example, a proportion, the difference ...

Timothy W. Armistead

2013-06-01T23:59:59.000Z

499

A Fuzzy Logic–Based Analog Forecasting System for Ceiling and Visibility  

Science Conference Proceedings (OSTI)

WIND-3 is an application for aviation weather forecasting that uses the analog method to produce deterministic predictions of cloud ceiling height and horizontal visibility at airports. For data, it uses historical and current airport ...

Bjarne Hansen

2007-12-01T23:59:59.000Z

500

Verification of Nowcasts from the WWRP Sydney 2000 Forecast Demonstration Project  

Science Conference Proceedings (OSTI)

The verification phase of the World Weather Research Programme (WWRP) Sydney 2000 Forecast Demonstration Project (FDP) was intended to measure the skill of the participating nowcast algorithms in predicting the location of convection, rainfall ...

Elizabeth E. Ebert; Laurence J. Wilson; Barbara G. Brown; Pertti Nurmi; Harold E. Brooks; John Bally; Matthias Jaeneke

2004-02-01T23:59:59.000Z