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The Characteristics of the Cloud System for Jiang-Huai Severe Rainfall in June of 1991
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摘要: 通过对GMS静止卫星的红外数据处理，获得了1991年夏季江淮梅雨期暴雨大范围的平均云分布。对1991年6月6次江淮暴雨过程逐时和3小时的GMS红外云图动画和照片的分析，得到了该地区梅雨期暴雨的三种中低纬云系相互作用的云型演变模型图，并利用由卫星气象中心处理的NOAA卫星的TOVS水汽反演资料，结合低层的θse和急流分析，给出了1991年6月江淮暴雨的水汽输送的一些特征。Abstract: The mean cloudiness distribution of the severe rainfall over the Jiang-Huai area in summer of 1991 is described by processing the infrared data of GMS-4 geostationary satellite. In basis of the GMS-4 hourly image animations and 3-hour interval images for the six severe rainfall events in June of 1991, the evolutionary images of the three kinds of cloud types for the interaction of middle-low latitude cloud system during the Mei–yu period are presented. Also, the features of water-vapour transportation are studied based on the TOVS water-vapour retrievals processed and θse field in the lower troposphere for the severe rainfall.
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