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Title: Initialized decadal prediction for transition to positive phase of the Interdecadal Pacific Oscillation

Journal Article · · Nature Communications
DOI:https://doi.org/10.1038/ncomms11718· OSTI ID:1280976

The negative phase of the Interdecadal Pacific Oscillation (IPO), a dominant mode of multi-decadal variability of sea surface temperatures (SSTs) in the Pacific, contributed to the reduced rate of global surface temperature warming in the early 2000s. Here, a proposed mechanism for IPO multidecadal variability indicates that the presence of decadal timescale upper ocean heat content in the off-equatorial western tropical Pacific can provide conditions for an interannual El Nino/Southern Oscillation event to trigger a transition of tropical Pacific SSTs to the opposite IPO phase. Here we show that a decadal prediction initialized in 2013 simulates predicted Nino3.4 SSTs that have qualitatively tracked the observations through 2015. The year three to seven average prediction (2015-2019) from the 2013 initial state shows a transition to the positive phase of the IPO from the previous negative phase and a resumption of larger rates of global warming over the 2013-2022 period consistent with a positive IPO phase.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Oak Ridge Leadership Computing Facility (OLCF); National Center for Atmospheric Research (NCAR), Boulder, CO (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Biological and Environmental Research (BER); USDOE Office of Science (SC) National Energy Research Scientific Computing Center (NERSC); USDOE Office of Science (SC) Oak Ridge Leadership Computing Facility (OLCF); National Science Foundation (NSF)
Grant/Contract Number:
FC02-97ER62402; AC02-05CH11231; AC05-00OR22725
OSTI ID:
1280976
Journal Information:
Nature Communications, Vol. 7; ISSN 2041-1723
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 119 works
Citation information provided by
Web of Science

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Evaluation of CMIP5 retrospective simulations of temperature and precipitation in northeastern Argentina: EVALUATION OF CMIP5 MODELS IN NORTHEASTERN ARGENTINA journal February 2018
The global warming hiatus has faded away: An analysis of 2014–2016 global surface air temperatures journal April 2019
Initialization shock in decadal hindcasts due to errors in wind stress over the tropical Pacific journal December 2016
Role of Pacific trade winds in driving ocean temperatures during the recent slowdown and projections under a wind trend reversal journal October 2017
Quantifying the agreement between observed and simulated extratropical modes of interannual variability journal July 2018
Near-future tropical cyclone predictions in the western North Pacific: fewer tropical storms but more typhoons journal February 2019
Uncertainties in Long-Term Twenty-First Century Process-Based Coastal Sea-Level Projections journal October 2019
What Caused the Global Surface Warming Hiatus of 1998–2013? journal March 2017
Mechanisms and Predictability of Pacific Decadal Variability journal April 2018
A Recent Shift Toward an El Niño-Like Ocean State in the Tropical Pacific and the Resumption of Ocean Warming journal November 2018
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The Springtime Influence of Natural Tropical Pacific Variability on the Surface Climate of the Ross Ice Shelf, West Antarctica: Implications for Ice Shelf Thinning journal August 2018
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