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RISQuantifying Differences in Circulation Patterns Based on Probabilistic Models: IPCC AR4 Multimodel Comparison for the North Atlantic
Publisher: American Meteorological Society
Abstract: The comparison of circulation patterns (CPs) obtained from reanalysis data to those from general circulation model (GCM) simulations is a frequent task for model validation, downscaling of GCM simulations, or other climate ...
Mapping Weather-Type Influence on Senegal Precipitation Based on a Spatial–Temporal Statistical Model
Publisher: American Meteorological Society
Abstract: enegal is particularly vulnerable to precipitation variability. To investigate the influence of large-scale circulation on local-scale precipitation, a full spatial?statistical description of precipitation occurrence and ...
Influence of the Seasonal Cycle on the Termination of El Niño Events in a Coupled General Circulation Model
Publisher: American Meteorological Society
Abstract: In this study, the mechanisms leading to the El Niño peak and demise are explored through a coupled general circulation model ensemble approach evaluated against observations. The results here suggest that the timing of ...
The March 1997 Westerly Wind Event and the Onset of the 1997/98 El Niño: Understanding the Role of the Atmospheric Response
Publisher: American Meteorological Society
Abstract: In a previous study, the effect of the March 1997 Westerly Wind Event (WWE) on the evolution of the tropical Pacific Ocean was studied using an ocean general circulation model (GCM). The response was characterized by (i) ...
Further Insights on the Influence of the Indian Ocean Dipole on the Following Year’s ENSO from Observations and CMIP5 Models
Publisher: American Meteorological Society
Abstract: ecent observational studies have suggested that negative and positive Indian Ocean dipole (IOD) events (nIOD and pIOD, respectively) favor a transition toward, respectively, El Niño and La Niña events one year later. These ...
Observation-Based Estimates of Surface Cooling Inhibition by Heavy Rainfall under Tropical Cyclones
Publisher: American Meteorological Society
Abstract: ropical cyclones drive intense ocean vertical mixing that explains most of the surface cooling observed in their wake (the ?cold wake?). In this paper, the authors investigate the influence of cyclonic rainfall on the cold ...
Mesoscale Simulation of Tropical Cyclones in the South Pacific: Climatology and Interannual Variability
Publisher: American Meteorological Society
Abstract: The Weather Research and Forecast model at ?° resolution is used to simulate the statistics of tropical cyclone (TC) activity in the present climate of the South Pacific. In addition to the large-scale conditions, the model ...