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The Variation of Tropical Cyclone Rainfall within the North Atlantic and Pacific as Observed from SatellitesTropical cyclone monthly rainfall amounts are estimated from passive microwave satellite observations in the North Atlantic and in three equal geographical regions of the North Pacific (i.e., Western, Central, and Eastern North Pacific). These satellite-derived rainfall amounts are used to assess the impact of tropical cyclone rainfall in altering the geographical, seasonal, and inter-annual distribution of the 1987-1989, 1991-1998 North Atlantic and Pacific rainfall during June-November when tropical cyclones are most abundant. To estimate these tropical cyclone rainfall amounts, mean monthly rain rates are derived from the Defence Meteorological Satellite Program (DMSP) Special Sensor Microwave/ Radiometer (SSM/I) observations within 444 km radius of the center of those North Atlantic and Pacific tropical cyclones that reached storm stage and greater. These rain rate observations are then multiplied by the number of hours in a given month. Mean monthly rainfall amounts are also constructed for all the other North Atlantic and Pacific raining systems during this eleven year period for the purpose of estimating the geographical distribution and intensity of rainfall contributed by non-tropical cyclone systems. Further, the combination of the non-tropical cyclone and tropical cyclone (i.e., total) rainfall is constructed to delineate the fractional amount that tropical cyclones contributed to the total North Pacific rainfall.
Document ID
19990110690
Acquisition Source
Goddard Space Flight Center
Document Type
Conference Paper
Authors
Rodgers, Edward (NASA Goddard Space Flight Center Greenbelt, MD United States)
Pierce, Harold (Science Systems and Applications, Inc. Lanham, MD United States)
Adler, Robert (NASA Goddard Space Flight Center Greenbelt, MD United States)
Date Acquired
September 6, 2013
Publication Date
January 1, 1999
Subject Category
Meteorology And Climatology
Meeting Information
Meeting: Climate
Location: Boulder, CO
Country: United States
Start Date: September 13, 1999
End Date: September 17, 1999
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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