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RISCoupled Air, Sea, and Land Interactions of the South American Monsoon
Publisher: American Meteorological Society
Abstract: The dominant interannual variation of the austral summer South American monsoon season (SAM) is associated with El Niño?Southern Oscillation (ENSO). Although this teleconnection provides a basis for the seasonal predictability ...
The Amplification of the ENSO Forcing over Equatorial Amazon
Publisher: American Meteorological Society
Abstract: The remote influence of the El Niño?Southern Oscillation (ENSO) strongly manifests over the equatorial Amazon (EA)?including parts of southern Venezuela, Guyana, French Guiana, and Suriname?when there is a large-scale ...
Simulation of the Intraseasonal Variance of the South American Summer Monsoon
Publisher: American Meteorological Society
Abstract: This study reveals the inadequacy of the Center for Ocean?Land?Atmosphere Studies (COLA) atmospheric general circulation model (AGCM) and the National Centers for Environmental Prediction?National Center for Atmospheric ...
The Influence of Pacific SST Variability on the Precipitation over Southern Africa
Publisher: American Meteorological Society
Abstract: This study is an analysis of AGCM model results to understand the dynamics of the response of precipitation over southern Africa (SA) to anomalies in the sea surface temperature (SST) over the Pacific Ocean. The pattern ...
An Evaluation of the Predictability of Austral Summer Season Precipitation over South America
Publisher: American Meteorological Society
Abstract: In this study predictability of austral summer seasonal precipitation over South America is investigated using a 12-yr set of a 3.5-month range (seasonal) and a 17-yr range (continuous multiannual) five-member ensemble ...
The Teleconnection between the Western Indian and the Western Pacific Oceans
Publisher: American Meteorological Society
Abstract: Shown in this study are a teleconnection pattern relating outgoing longwave radiation (OLR) anomalies over the western Pacific Ocean and sea surface temperature anomalies (SSTAs) over the western Indian Ocean over two ...
Addressing the Issue of Systematic Errors in a Regional Climate Model
Publisher: American Meteorological Society
Abstract: A methodology is proposed in which a few prognostic variables of a regional climate model (RCM) are strongly constrained at certain wavelengths to what is prescribed from the bias-corrected atmospheric general circulation ...
Anomaly Nesting: A Methodology to Downscale Seasonal Climate Simulations from AGCMs
Publisher: American Meteorological Society
Abstract: In this paper a methodology is proposed to downscale coarse-resolution atmospheric general circulation model (AGCM) seasonal simulations. Anomaly nesting involves replacing the climatology of the driving AGCM with observed ...
The Fidelity of NCEP CFS Seasonal Hindcasts over Nordeste
Publisher: American Meteorological Society
Abstract: The fidelity of the interannual variability of precipitation over Nordeste is examined using the suite of the NCEP Climate Forecast System (CFS) seasonal hindcasts. These are coupled ocean?land?atmosphere multiseasonal ...
Characterizing the Seasonal Cycle of the Northern Australian Rainy Season
Publisher: American Meteorological Society
Abstract: In this paper we introduce an objective definition for the onset and the retreat of the northern Australian rainy season that overlaps significantly with the Australian monsoon season. We define onset and retreat dates of ...