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RISInterannual Extremes in New Zealand Precipitation Linked to Modes of Southern Hemisphere Climate Variability
Publisher: American Meteorological Society
Abstract: Interannual extremes in New Zealand rainfall and their modulation by modes of Southern Hemisphere climate variability are examined in observations and a coupled climate model. North Island extreme dry (wet) years are ...
Multidecadal Indian Ocean Variability Linked to the Pacific and Implications for Preconditioning Indian Ocean Dipole Events
Publisher: American Meteorological Society
Abstract: AbstractThe Indian Ocean has sustained robust surface warming in recent decades, but the role of multidecadal variability remains unclear. Using ocean model hindcasts, characteristics of low-frequency Indian Ocean temperature ...
Causes of Late Twentieth-Century Trends in New Zealand Precipitation
Publisher: American Meteorological Society
Abstract: Late twentieth-century trends in New Zealand precipitation are examined using observations and reanalysis data for the period 1979?2006. One of the aims of this study is to investigate the link between these trends and ...
Interannual Rainfall Extremes over Southwest Western Australia Linked to Indian Ocean Climate Variability
Publisher: American Meteorological Society
Abstract: Interannual rainfall extremes over southwest Western Australia (SWWA) are examined using observations, reanalysis data, and a long-term natural integration of the global coupled climate system. The authors reveal a ...
Impact of Surface Forcing on Southern Hemisphere Atmospheric Blocking in the Australia–New Zealand Sector
Publisher: American Meteorological Society
Abstract: haracteristics of atmospheric blocking in the Southern Hemisphere (SH) are explored in atmospheric general circulation model (AGCM) simulations with the Community Atmosphere Model, version 3, with a particular focus on the ...
Anomalous Rainfall over Southwest Western Australia Forced by Indian Ocean Sea Surface Temperatures
Publisher: American Meteorological Society
Abstract: The potential impact of Indian Ocean sea surface temperature (SST) anomalies in modulating midlatitude precipitation across southern and western regions of Australia is assessed in a series of atmospheric general circulation ...
Projected Changes to the Southern Hemisphere Ocean and Sea Ice in the IPCC AR4 Climate Models
Publisher: American Meteorological Society
Abstract: Fidelity and projected changes in the climate models, used for the Intergovernmental Panel on Climate Change (IPCC) Fourth Assessment Report (AR4), are assessed with regard to the Southern Hemisphere extratropical ocean ...
On the Predominant Nonlinear Response of the Extratropical Atmosphere to Meridional Shifts of the Gulf Stream
Publisher: American Meteorological Society
Abstract: AbstractThe North Atlantic atmospheric circulation response to the meridional shifts of the Gulf Stream (GS) path is examined using a large ensemble of high-resolution hemispheric-scale Weather Research and Forecasting ...
Contributions of Indian Ocean Sea Surface Temperatures to Enhanced East African Rainfall
Publisher: American Meteorological Society
Abstract: Links between extreme wet conditions over East Africa and Indian Ocean sea surface temperatures (SST) are investigated during the core of the so-called short rain season in October?November. During periods of enhanced East ...
Modulation of Australian Precipitation by Meridional Gradients in East Indian Ocean Sea Surface Temperature
Publisher: American Meteorological Society
Abstract: This study explores the impact of meridional sea surface temperature (SST) gradients across the eastern Indian Ocean on interannual variations in Australian precipitation. Atmospheric general circulation model (AGCM) ...