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RISMultimodel Estimates of Atmospheric Response to Modes of SST Variability and Implications for Droughts
Publisher: American Meteorological Society
Abstract: A set of idealized global model experiments was performed by several modeling centers as part of the Drought Working Group of the U.S. Climate Variability and Predictability component of the World Climate Research Programme ...
ENSO and Wintertime Extreme Precipitation Events over the Contiguous United States
Publisher: American Meteorological Society
Abstract: In this study the authors examine the impact of El Niño?Southern Oscillation (ENSO) on precipitation events over the continental United States using 49 winters (1949/50?1997/98) of daily precipitation observations and ...
Potential Predictability of Long-Term Drought and Pluvial Conditions in the U.S. Great Plains
Publisher: American Meteorological Society
Abstract: This study examines the predictability of seasonal mean Great Plains precipitation using an ensemble of century-long atmospheric general circulation model (AGCM) simulations forced with observed sea surface temperatures ...
Attribution of the Seasonality and Regionality in Climate Trends over the United States during 1950–2000
Publisher: American Meteorological Society
Abstract: The observed climate trends over the United States during 1950?2000 exhibit distinct seasonality and regionality. The surface air temperature exhibits a warming trend during winter, spring, and early summer and a modest ...
Regional and Global Impacts of Land Cover Change and Sea Surface Temperature Anomalies
Publisher: American Meteorological Society
Abstract: The atmospheric and land components of the Geophysical Fluid Dynamics Laboratory?s (GFDL?s) Climate Model version 2.1 (CM2.1) is used with climatological sea surface temperatures (SSTs) to investigate the relative climatic ...
On the Increased Frequency of Mediterranean Drought
Publisher: American Meteorological Society
Abstract: he land area surrounding the Mediterranean Sea has experienced 10 of the 12 driest winters since 1902 in just the last 20 years. A change in wintertime Mediterranean precipitation toward drier conditions has likely occurred ...
Influence of SST Forcing on Stochastic Characteristics of Simulated Precipitation and Drought
Publisher: American Meteorological Society
Abstract: Recent studies demonstrate that ocean?atmosphere forcing by persistent sea surface temperature (SST) anomalies is a primary driver of seasonal-to-interannual hydroclimatic variability, including drought events. Other ...
Predictability of the Seasonal Mean Atmospheric Circulation during Autumn, Winter, and Spring
Publisher: American Meteorological Society
Abstract: The predictability of the autumn, boreal winter, and spring seasons with foreknowledge of sea surface temperatures (SSTs) is studied using ensembles of seasonal simulations of three general circulation models (GCMs): the ...
Causes of Long-Term Drought in the U.S. Great Plains
Publisher: American Meteorological Society
Abstract: The U.S. Great Plains experienced a number of multiyear droughts during the last century, most notably the droughts of the 1930s and 1950s. This study examines the causes of such droughts using ensembles of long-term ...
Predictability of Zonal Means during Boreal Summer
Publisher: American Meteorological Society
Abstract: This study examines the predictability of seasonal means during boreal summer. The results are based on ensembles of June?July?August (JJA) simulations (started in mid-May) carried out with the NASA Seasonal-to-Interannual ...