A New Method for Calculating the Wind Speed Distribution of a Moving Tropical Cyclone

被引：0

作者：

胡邦辉 ^{[1
,2
]}

杨修群 ^{[1
]}

谭言科 ^{[2
]}

王咏青 ^{[3
]}

范勇 ^{[3
]}

机构：

[1] Institute of Severe Weather and Climate,Nanjing University

[2] Institute of Meteorology,PLA University of Science and Technology

[3] Nanjing University of Information Science and Technology

来源：

Advances in Atmospheric Sciences | 2010年 / 27卷 / 01期

基金：

中国国家自然科学基金;

关键词：

tropical cyclone; maximum wind speed radius; wind velocity distribution;

D O I：

暂无

中图分类号：

P444 [热带气象];

学科分类号：

摘要：

Based on gradient wind equations,including frictional force,and considering the effect of the movement of a tropical cyclone on wind speed,the Fujita Formula is improved and further simplified,and the numerical scheme for calculating the maximum wind speed radius and wind velocity distribution of a moving tropical cyclone is derived.In addition,the effect of frictional force on the internal structure of the tropical cyclone is discussed.By comparison with observational data,this numerical scheme demonstrates great advantages,i.e.:it can not only describe the asymmetrical wind speed distribution of a tropical cyclone reasonably,but can also calculate the maximum wind speed in each direction within the typhoon domain much more accurately.Furthermore,the combination of calculated and analyzed wind speed distributions by the scheme is perfectly consistent with observations.

引用

页码：69 / 79

页数：11

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