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Title: Overview of the HI-SCALE Field Campaign: A New Perspective on Shallow Convective Clouds

Abstract

Shallow convective clouds are common, occurring over many areas of the world, and are an important component in the atmospheric radiation budget. In addition to synoptic and mesoscale meteorological conditions, land-atmosphere interactions and aerosol-radiation-cloud interactions can influence the formation of shallow clouds and their properties. However, these processes exhibit large spatial and temporal variability and occur at the sub-grid scale for all climate and operational forecast models and must be represented by parameterizations. Uncertainties in shallow cloud parameterization predictions arise from many sources, including insufficient coincident data needed to adequately represent the coupling of cloud macrophysical and microphysical properties with inhomogeneity in the surface layer, boundary layer, and aerosol properties. Predictions in the transition of shallow to deep convection and the onset of precipitation are also affected by errors in simulated shallow clouds. Coincident data is a key factor needed to achieve a more complete understanding of the lifecycle of shallow convective clouds and to develop improved model parameterizations. To address these issues, the Holistic Interactions of Shallow Clouds, Aerosols and Land Ecosystems (HI-SCALE) campaign was conducted near the Atmospheric Radiation and Measurement (ARM) Southern Great Plains site in north-central Oklahoma during 2016. We describe the scientific objectives of HI-SCALEmore » as well as the experimental approach, the overall weather conditions during the campaign, and preliminary findings from the measurements. Finally, we discuss the remaining scientific gaps in our understanding of shallow clouds that can be addressed by analysis and modeling studies that use HI-SCALE data including: the effects of heterogeneous land-use, vegetation, and soil moisture conditions on boundary layer mixing and consequently cloud formation; factors that contribute to the transition of shallow to deep convection; the role of cloud population on« less

Authors:
 [1]; ORCiD logo [1];  [2];  [1];  [3];  [1];  [4]; ORCiD logo [1];  [5];  [1]; ORCiD logo [1];  [1];  [1];  [4];  [1];  [6];  [1];  [7];  [4];  [1] more »;  [6];  [1];  [8];  [1]; ORCiD logo [1] « less
  1. BATTELLE (PACIFIC NW LAB)
  2. Pacific Northwest National Laboratory
  3. University of Washington
  4. Brookhaven National Laboratory
  5. National Atmospheric and Oceanic Administration
  6. UNIVERSITY OF WASHINGTON
  7. University of California, Irvine
  8. BROOKHAVEN NATIONAL LAB
Publication Date:
Research Org.:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1545016
Report Number(s):
PNNL-SA-133582
DOE Contract Number:  
AC05-76RL01830
Resource Type:
Journal Article
Journal Name:
Bulletin of the American Meteorological Society
Additional Journal Information:
Journal Volume: 100; Journal Issue: 5
Country of Publication:
United States
Language:
English

Citation Formats

Fast, Jerome D., Berg, Larry K., Alexander, Lizabeth, Bell, David M., D'Ambro, Emma, Hubbe, John M., Kuang, Chongai, Liu, Jiumeng, Long, Charles N., Matthews, Alyssa A., Mei, Fan, Newsom, Rob K., Pekour, Mikhail S., Pinterich, Tamara, Schmid, Beat, Schobesberger, Siegfried, Shilling, John E., Smith, James N., Springston, Stephen R., Suski, Kaitlyn J., Thornton, Joel A., Tomlinson, Jason M., Wang, Jian, Xiao, Heng, and Zelenyuk-Imre, Alla. Overview of the HI-SCALE Field Campaign: A New Perspective on Shallow Convective Clouds. United States: N. p., 2019. Web. doi:10.1175/BAMS-D-18-0030.1.
Fast, Jerome D., Berg, Larry K., Alexander, Lizabeth, Bell, David M., D'Ambro, Emma, Hubbe, John M., Kuang, Chongai, Liu, Jiumeng, Long, Charles N., Matthews, Alyssa A., Mei, Fan, Newsom, Rob K., Pekour, Mikhail S., Pinterich, Tamara, Schmid, Beat, Schobesberger, Siegfried, Shilling, John E., Smith, James N., Springston, Stephen R., Suski, Kaitlyn J., Thornton, Joel A., Tomlinson, Jason M., Wang, Jian, Xiao, Heng, & Zelenyuk-Imre, Alla. Overview of the HI-SCALE Field Campaign: A New Perspective on Shallow Convective Clouds. United States. doi:10.1175/BAMS-D-18-0030.1.
Fast, Jerome D., Berg, Larry K., Alexander, Lizabeth, Bell, David M., D'Ambro, Emma, Hubbe, John M., Kuang, Chongai, Liu, Jiumeng, Long, Charles N., Matthews, Alyssa A., Mei, Fan, Newsom, Rob K., Pekour, Mikhail S., Pinterich, Tamara, Schmid, Beat, Schobesberger, Siegfried, Shilling, John E., Smith, James N., Springston, Stephen R., Suski, Kaitlyn J., Thornton, Joel A., Tomlinson, Jason M., Wang, Jian, Xiao, Heng, and Zelenyuk-Imre, Alla. Tue . "Overview of the HI-SCALE Field Campaign: A New Perspective on Shallow Convective Clouds". United States. doi:10.1175/BAMS-D-18-0030.1.
@article{osti_1545016,
title = {Overview of the HI-SCALE Field Campaign: A New Perspective on Shallow Convective Clouds},
author = {Fast, Jerome D. and Berg, Larry K. and Alexander, Lizabeth and Bell, David M. and D'Ambro, Emma and Hubbe, John M. and Kuang, Chongai and Liu, Jiumeng and Long, Charles N. and Matthews, Alyssa A. and Mei, Fan and Newsom, Rob K. and Pekour, Mikhail S. and Pinterich, Tamara and Schmid, Beat and Schobesberger, Siegfried and Shilling, John E. and Smith, James N. and Springston, Stephen R. and Suski, Kaitlyn J. and Thornton, Joel A. and Tomlinson, Jason M. and Wang, Jian and Xiao, Heng and Zelenyuk-Imre, Alla},
abstractNote = {Shallow convective clouds are common, occurring over many areas of the world, and are an important component in the atmospheric radiation budget. In addition to synoptic and mesoscale meteorological conditions, land-atmosphere interactions and aerosol-radiation-cloud interactions can influence the formation of shallow clouds and their properties. However, these processes exhibit large spatial and temporal variability and occur at the sub-grid scale for all climate and operational forecast models and must be represented by parameterizations. Uncertainties in shallow cloud parameterization predictions arise from many sources, including insufficient coincident data needed to adequately represent the coupling of cloud macrophysical and microphysical properties with inhomogeneity in the surface layer, boundary layer, and aerosol properties. Predictions in the transition of shallow to deep convection and the onset of precipitation are also affected by errors in simulated shallow clouds. Coincident data is a key factor needed to achieve a more complete understanding of the lifecycle of shallow convective clouds and to develop improved model parameterizations. To address these issues, the Holistic Interactions of Shallow Clouds, Aerosols and Land Ecosystems (HI-SCALE) campaign was conducted near the Atmospheric Radiation and Measurement (ARM) Southern Great Plains site in north-central Oklahoma during 2016. We describe the scientific objectives of HI-SCALE as well as the experimental approach, the overall weather conditions during the campaign, and preliminary findings from the measurements. Finally, we discuss the remaining scientific gaps in our understanding of shallow clouds that can be addressed by analysis and modeling studies that use HI-SCALE data including: the effects of heterogeneous land-use, vegetation, and soil moisture conditions on boundary layer mixing and consequently cloud formation; factors that contribute to the transition of shallow to deep convection; the role of cloud population on},
doi = {10.1175/BAMS-D-18-0030.1},
journal = {Bulletin of the American Meteorological Society},
number = 5,
volume = 100,
place = {United States},
year = {2019},
month = {6}
}