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中文摘要: 利用每小时增强显示红外云图、云顶黑体温度(TBB)和常规气象资料,分析了1993年8月3—6日华北平原及西北地区东部一次暴雨—大暴雨过程,揭示了产生大暴雨的中α尺度对流系统的发生发展,讨论了环境场条件及天气尺度系统间的相互作用对暴雨云团的重要性,并用物理量诊断探讨雨团形成的物理机制。
中文关键词: 中α尺度对流系统，暴雨云团，对称不稳定
Abstract:By using the hourly GMS infrared imagery and conventional meteorological data,an analysis of the heavy rain over Huabei plain and the east of Northwest China during 3-6 August 1993 is made. It is mainly to inquire into the problems with the genesis and development of the meso-α-ascale convective systems which caused severe convective weather. The results shown that the envirinmental conditions,especially the interaction between the cloud system of the middle and low latitudes for the formation of large cloud clusters is very important. The negative area of the wetbulb potential temperature is helpful to the prediction of the emergence of heavy rainfall.
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基金项目:强风暴实验室提供资助
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引用文本：
薛秋芳,王建中,1994.一次强降水天气过程的中尺度分析[J].气象,20(10):21-25.
,1994.The Mesoscale Analysis of a Heavy Rain Process[J].Meteor Mon,20(10):21-25.
薛秋芳,王建中,1994.一次强降水天气过程的中尺度分析[J].气象,20(10):21-25.
,1994.The Mesoscale Analysis of a Heavy Rain Process[J].Meteor Mon,20(10):21-25.