Characteristic Analysis of Concentrated Heavy Rainfall in Hubei Province
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Abstract:
The standards of concentrated heavy rainfall in Hubei Province are defined. There occurred 12 cases of concentrated heavy rainfall in the range of the standards in Hubei Province since 1954, of which the detailed analysis is made, It is showed that concentrated heavy rainfall usually consists of three or more heavy rain events. The first is cold-front heavy rain, which forms in the process of East-Asia trough building-up and weakening. The second occurs in the eastward-moving process of the Qinghai-Tibet Plateau vortex, which is superimposed above the dew-point front. It is usually severe heavy rainfall. The third is low-trough heavy rainfall, relatively weak. The environmental conditions and large- and meso-scale synoptic features for concentrated heavy rainfall are summed up. The results are useful for the short- and medium-range heavy rain forecasting,
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P458.121.1
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Supported by:Beijing E-Tiller Technology Development Co., Ltd.
Supported by:Beijing E-Tiller Technology Development Co., Ltd.