Wednesday, 14 January 2009
Tropical cyclone applications of NPOESS and GOES-R
Hall 5 (Phoenix Convention Center)
The next generation of Geostationary Operational Environmental Satellites (GOES) beginning with GOES-R and the National Polar-orbiting Operational Environmental Satellite System (NPOESS) will have a number of advanced instruments that have the potential to improve tropical cyclone analysis and forecasting. This paper will review these applications using simulated data from existing operational and experimental satellites and synthetic data from numerical tropical cyclone models. The two primary instruments on GOES-R with hurricane applications are the Advanced Baseline Imagery (ABI) and the Geostationary Lightning Mapper (GLM). These have the potential to improve the estimation of the storm intensity and wind structure through advanced retrieval algorithms and to improve track and intensity forecasts when assimilated into numerical models. The Advanced Technology Microwave Sounder (ATMS) and Cross-track Infrared Sounder (CrIS) will provide temperature and moisture soundings in the storm environment that can also be used to diagnose storm structure and be assimilated into hurricane models. The Visible/Infrared Imager/Radiometer Suite (VIIRS) will also provide storm structure information. A promising new capability of VIIRS is the low-light imaging that will allow visible analysis at night when there is sufficient moonlight.
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