南亚高压的东西振荡对湖北省极端暴雨事件的影响分析

Influences of Vacillation of South Asia High on the Event of Extreme Rainfall of Hubei Province

摘要: 对1975—2008年发生在湖北省及其周边地区的14场24h雨量≥200mm,或48h雨量≥300mm的极端暴雨事件进行了研究。分析发现:极端暴雨事件与南亚高压的东西向移动密切相关。当南亚高压停留在高原上空时,低层南风将孟加拉湾的水汽源源不

Abstract: In this paper, the events of extreme rainfall including 14 cases with rainfall≥200mm per 24 hours and rainfall≥ 300mm per 48 hours are studied. It shows that the extreme rainfall are closely related with the ea