The research reported here was supported by NASA Grants NAG8-1199 and NAG5-4729, NOAA Grant NA77WA0571, and NSF Grant ATM-9710336. We wish to convey our special thanks to C. Kummerow and R. Kakar of NASA for facilitating the availability of TRMM datasets and to the Naval Research Laboratory in Monterey for the DMSP satellite datasets. We are deeply indebted to ECMWF for providing us with their global datasets.
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