Mean Cloud Image Features of Severe Storm Rainfall of the Changjiang—Huaihe Rivers in 1991
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摘要: 利用平均云图资料分析1991年汛期江淮特大暴雨的大尺度云系的空间分布特征。结果表明:暴雨时期有三条云带伸向江淮地区。水汽通道主要有两条:分别为南海和孟加拉湾,它显示了低纬度向中纬度的水汽输送作用。文中还分析了青藏高压对江淮暴雨的作用。Abstract: This paper mainly uses mean cloud image data to investigate the spatial distribution features of the large scale cloud band of the Changjiang-Huaihe Valley severe storm rainfall in the flood perion of 1991. The analysis shows that there are three cloud bands extending to Changjiang-Huaihe River areas. Two major water vapor paths are from South China Sea and the Bay of Bengal, respectively. They show the transportation function of water vapor from the low latitude to the middle latitude. Besides, this paper also analyses the effect of the Tibetan high on the Changjiang-Huaihe Valley storm rainfall.
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