Applications of VAS and TOVS to Tropical Cyclones

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Initial results are presented on research designed to evaluate the usefulness of Visible Infrared Spin Scan Radiometer Atmospheric Sounder (VAS) data in tropical cyclone applications. It is part of the National Aeronautics and Space Administration funded VAS demonstration, and the A/ational Oceanic and Atmospheric Administration (NOAA) Operational FAS Assessment (NOVA) program. The University of Wisconsin (UW) Space Science and Engineering Center (SSEC) and the National Environmental Satellite, Data, and Information Service (NESDIS) Development Laboratory at the SSEC have been working with the National Hurricane Center (NHC), and the NOAA/Environmental Research Laboratories Atlantic Oceanographic and Meteorological Laboratory—Hurricane Research Division (HRD) to explore the different uses of geostationary satellite VAS data in tropical cyclone analysis and forecasting. Because of the cloud-penetrating capability of the microwave component of the TIROS Operational Vertical Sounder (TOVS), polar orbiting satellite TOVS soundings in cloudy regions are used in some cases to enhance the VAS products along with cloud drift and water vapor motion winds derived from VAS imagery. This report describes some of the VAS/TOVS products being generated and evaluated on the Man-computer Interactive Data Access System (McIDAS) at the UW-SSEC and the NHC.

1 Space Science and Engineering Center, 1225 West Dayton St., Madison, WI 53706.

2 NOAA/NESDIS Development Laboratory, 1225 West Dayton St., Madison, WI 53706.

3 NOAA/NWS Satellite Field Services Station, 1320 South Dixie Highway, 6th Floor, Coral Gables, FL 33146.

Initial results are presented on research designed to evaluate the usefulness of Visible Infrared Spin Scan Radiometer Atmospheric Sounder (VAS) data in tropical cyclone applications. It is part of the National Aeronautics and Space Administration funded VAS demonstration, and the A/ational Oceanic and Atmospheric Administration (NOAA) Operational FAS Assessment (NOVA) program. The University of Wisconsin (UW) Space Science and Engineering Center (SSEC) and the National Environmental Satellite, Data, and Information Service (NESDIS) Development Laboratory at the SSEC have been working with the National Hurricane Center (NHC), and the NOAA/Environmental Research Laboratories Atlantic Oceanographic and Meteorological Laboratory—Hurricane Research Division (HRD) to explore the different uses of geostationary satellite VAS data in tropical cyclone analysis and forecasting. Because of the cloud-penetrating capability of the microwave component of the TIROS Operational Vertical Sounder (TOVS), polar orbiting satellite TOVS soundings in cloudy regions are used in some cases to enhance the VAS products along with cloud drift and water vapor motion winds derived from VAS imagery. This report describes some of the VAS/TOVS products being generated and evaluated on the Man-computer Interactive Data Access System (McIDAS) at the UW-SSEC and the NHC.

1 Space Science and Engineering Center, 1225 West Dayton St., Madison, WI 53706.

2 NOAA/NESDIS Development Laboratory, 1225 West Dayton St., Madison, WI 53706.

3 NOAA/NWS Satellite Field Services Station, 1320 South Dixie Highway, 6th Floor, Coral Gables, FL 33146.

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