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RISInterannual, Monthly, and Regional Variability in the Wet Season Diurnal Cycle of Precipitation in Sub-Saharan Africa
Publisher: American Meteorological Society
Abstract: Convective systems in sub-Saharan Africa were defined from measurements by the Tropical Rainfall Measuring Mission satellite Microwave Imager at 85 GHz for four wet seasons, May?September 1998?2001. By applying a ...
A Continental-Scale Classification of Rainfall Seasonality Regimes in Africa Based on Gridded Precipitation and Land Surface Temperature Products
Publisher: American Meteorological Society
Abstract: classification of rainfall seasonality regimes in Africa was derived from gridded rainfall and land surface temperature products. By adapting a method that goes back to Walter and Lieth?s approach of presenting climatic ...
Mesoscale Convective Systems Defined by Their 85-GHz Ice Scattering Signature: Size and Intensity Comparison over Tropical Oceans and Continents
Publisher: American Meteorological Society
Abstract: This study used the 85-GHz ice scattering signature to describe the size, intensity, and geographic distribution of mesoscale convective systems (MCSs) between 35°N and 35°S for January, April, July, and October 1993. An ...
An Analysis of the Environments of Intense Convective Systems in West Africa in 2003
Publisher: American Meteorological Society
Abstract: The local- and regional-scale environments associated with intense convective systems in West Africa during 2003 were diagnosed from soundings, operational analysis, and space-based datasets. Convective system cases were ...
Characteristics of Precipitation Features and Annual Rainfall during the TRMM Era in the Central Andes
Publisher: American Meteorological Society
Abstract: he central Andes extends from 7° to 21°S, with its eastern boundary defined by elevation (1000 m and greater) and its western boundary by the coastline. The authors used a combination of surface observations, reanalysis, ...
An Automated Detection Methodology for Dry Well-Mixed Layers
Publisher: American Meteorological Society
Abstract: AbstractThe intense surface heating over arid land surfaces produces dry well-mixed layers (WML) via dry convection. These layers are characterized by nearly constant potential temperature and low, nearly constant water ...
Defining Mesoscale Convective Systems by Their 85-GHz Ice-Scattering Signatures
Publisher: American Meteorological Society
Abstract: Mesoseale Convective systems are composed of numerous deep convective cells with varying amounts of large, convectively produced ice particles aloft. The magnitude of the 85-GHz brightness temperature depression resulting ...
The Interannual Stability of Cumulative Frequency Distributions for Convective System Size and Intensity
Publisher: American Meteorological Society
Abstract: The characteristics of convective system populations in West Africa and the western Pacific tropical cyclone basin were analyzed to investigate whether interannual variability in convective activity in tropical continental ...
The Contribution to Tropical Rainfall with respect to Convective System Type, Size, and Intensity Estimated from the 85-GHz Ice-Scattering Signature
Publisher: American Meteorological Society
Abstract: This study compiled a database of precipitating cloud clusters from 85-GHz data in 10 regions of the wet Tropics for a calendar year (November 1992?October 1993). The cloud clusters were grouped into four classes of basic ...
Numerical Studies of Wet versus Dry Soil Regimes in the West African Sahel
Publisher: American Meteorological Society
Abstract: The West African Sahel lies between the wet, humid equatorial zone of Africa to the south and the Sahara Desert to the north. This topography results in a strong north?south precipitation gradient. A coupled land?atmosphere ...