Hurricane wind vector estimates from WindSat polarimetric radiometer

被引：0

作者：

Adams, IS ^{[1
]}

Hennon, CC ^{[1
]}

Jones, WL ^{[1
]}

Ahmad, K ^{[1
]}

机构：

[1] USN, Res Lab, Washington, DC 20350 USA

来源：

IGARSS 2005: IEEE International Geoscience and Remote Sensing Symposium, Vols 1-8, Proceedings | 2005年

关键词：

D O I：

暂无

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

WindSat is the world's first microwave polarimetric radiometer, designed to measure ocean vector winds. In late 2004, the first preliminary oceanic wind vector results were released, and this paper presents the first evaluation of this product for several Atlantic hurricanes during the 2003 season. Both wind speed and wind direction comparisons will be made with surface wind analysis (H*Wind) developed by the NOAA Hurricane Research Division (HRD) and provided by the NOAA National Hurricane Center (NHC). Examples are presented where HRD aircraft flights were conducted within several hours of the WindSat overpass. These H*Wind surface wind analyses provide the most complete independent surface winds comparison data set available. Both WindSat retrieved wind speeds and wind directions are evaluated (against H*Wind) as a function of storm quadrant. To complement the analysis, rain rates were derived using WindSat brightness temperatures with a modified version of the TMI 2AI2 heritage rain algorithm. Effects of rain on the derived wind speeds and directions are discussed.

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页码：4014 / 4017

页数：4

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