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Hurricane Severity Index : ウィキペディア英語版 | Hurricane Severity Index The Hurricane Severity Index (or HSI) is a hurricane rating system which defines the strength and destructive capability of a storm. The HSI uses equations which incorporate the intensity of the winds and the size of the area covered by the winds. The HSI attempts to demonstrate that two hurricanes of similar intensity may have different destructive capability due to variances in size, and furthermore that a less intense, but very large hurricane, may in fact be ''more'' destructive than a smaller, more intense hurricane. HSI was developed by a private company program in competition with the National Weather Service's Accumulated cyclone energy index. == History == Development of the Hurricane Severity Index began in 2005 after the 2005 Atlantic hurricane season by Chris Hebert and Bob Weinzapfel, two ImpactWeather meteorologists and hurricane experts. ImpactWeather officially announced the HSI in 2006. Their goal was to create a new index that rates the severity of all types of tropical cyclones (not just hurricanes) based on both their intensity and size of wind field.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Hurricane Severity Index」の詳細全文を読む
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