Tropical Rainfall Potential TRaP: the Operational Tropical Rainfall Potential (TRaP) module, developed by Sheldon Kusselson at the NESDIS Satellite Analysis Branch (SAB). Many different organizations and individuals support the design and development of the TRaP product, so this really is a collaborative effort. Various versions of the tropical rainfall potential product have been available for the last 15 years. This module will cover the creation of the original version of TRaP and its evolution into the product available today. The current generation of NOAA and DMSP microwave sensors provides quantitative information on global precipitation to enhance forecasts of potentially hazardous rainfall through tools like the TRaP technique. Both NOAA and DMSP have contributed to the design of the next generation of microwave sensors that will fly on the NPP and NPOESS missions over the next two decades. The NPOESS satellite system will have vastly improved data latency, with 95 % of the data available to users within 28 minutes or less. CMIS and ATMS will provide all of the data of the previous generation of microwave instruments with improved resolution and greater multispectral capability. CMIS will also provide passively sensed wind speed and direction, a capability unavailable with previous generation of passive microwave radiometers. Start

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