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中文摘要: 通过对位涡场的诊断分析表明,在响水2000年8月30日异常特大暴雨过程中,降水的形成与台风扰动对环境场的改变有密切关系。暖湿系统台风与北方冷性辐合系统的相互作用是产生异常强降水的主要原因。
中文关键词: 台风，扰动，湿位涡
Abstract:By analyzing the change of moist potential vorticity (mpv) field and baroclinicity, a heavy rain event occurred in the northeast Huaihe basin from 30 to 31 August 2000 is discussed. It is found that this heavy rain is closely related to the typhoon disturbance which triggered off the evolution of circulation field. Furthermore, the key of the heavy rainfall is interaction between the typhoon warm and wet weather system and the cold convergence system.
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引用文本：
王亦平,王慧,吴芳芳,2003.淮河流域东北部一次异常大暴雨成因初探[J].气象,29(2):41-43.
,2003.Analysis of a Severe Heavy Rain in Northeast of Huaihe Basin[J].Meteor Mon,29(2):41-43.
王亦平,王慧,吴芳芳,2003.淮河流域东北部一次异常大暴雨成因初探[J].气象,29(2):41-43.
,2003.Analysis of a Severe Heavy Rain in Northeast of Huaihe Basin[J].Meteor Mon,29(2):41-43.