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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 ...
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 ...
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 ...
Seasonality and Meridional Propagation of the MJO
Publisher: American Meteorological Society
Abstract: The Madden?Julian oscillation (MJO) is known to have a substantial impact on the variability of the Asian?Australian summer monsoons. An important, but not well understood, aspect of the MJO?monsoon connection is the ...
African Easterly Jet: Structure and Maintenance
Publisher: American Meteorological Society
Abstract: This article investigates the African easterly jet (AEJ), its structure, and the forcings contributing to its maintenance, critically revisiting previous work that attributed the maintenance of the jet to soil moisture ...
Sensitivities of the NCEP Global Forecast System
Publisher: American Meteorological Society
Abstract: AbstractAn important issue in developing a forecast system is its sensitivity to additional observations for improving initial conditions, to the data assimilation (DA) method used, and to improvements in the forecast ...