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中文摘要: 作者对1986年至1993年5—9月区域性暴雨发生前500hPa散度场进行定量分析,找出预报关键区和指标,提出预报信号;再查找天气型指标,确定是否预报;最后用低层物理量指标估计降雨量级。
中文关键词: 暴雨，物理量，预报指标，散度差
Abstract:Divergence fields are quantitatively analysed before regional torrentical rain process from May to September, 1986 to 1993. And therefore key area and indexes are found for the forecast message of torrentical rain. Researches on weather-map type indexes were conducted in order to get the answer of the appearance of torrentical rain. The estimation of the classification of rainfall has been done according to physical quantity indexes at lower layer of atmosphere.
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引用文本：
任遵海,孙锦铨,朱竟成,1995.从散度场入手预报暴雨[J].气象,21(9):40-42.
,1995.Forecasting of Torrentical Rain with Divergence[J].Meteor Mon,21(9):40-42.
任遵海,孙锦铨,朱竟成,1995.从散度场入手预报暴雨[J].气象,21(9):40-42.
,1995.Forecasting of Torrentical Rain with Divergence[J].Meteor Mon,21(9):40-42.