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1 暴雨情况及特点2000年7月,沙颍河流域及其上游连续发生两场大的降雨过程,其中12日8时至15日8时,3日累计降雨量分别为:干江河官寨452mm,澧河何口285mm,舞阳279mm,北汝河大陈146mm,沙河马湾223mm,漯河240mm,颍河化行150mm,贾鲁河西黄庄76mm。同时,周口各报汛站3日累计降雨量:鹿邑县玄武站405mm,太康296mm,郸城147mm,周口138mm,扶沟236mm,槐店175mm,黄桥234mm。从降雨过程看,属于特大恶劣型降雨。暴雨特点是次数多,面积大,间隔时间短。6月24日～26日
1 Rainstorm Situation and Characteristics In July 2000, two large rainfall processes occurred continuously in the Shaying River Basin and its upper reaches. Among them, 8 major rainfalls occurred at 8:00 on the 12th and reached 8:00 on the 15th. The accumulated rainfall on the 3rd was respectively: 452mm Hekou 285 meters mouth, Wuyang 279mm, North Ruhe Dachen 146mm, Shahe Ma Bay 223mm, Luohe 240mm, Ying River Bank 150mm, Jialu West Huangzhuang 76mm. At the same time, Zhoukou various newspaper flood station 3 cumulative rainfall: Luyi County basaltic Station 405mm, Taikang 296mm, Dancheng 147mm, Zhoukou 138mm, Fugou 236mm, Huai shop 175mm, Huangqiao 234mm. From the point of view of rainfall, it belongs to the most severe type of rainfall. Rainstorm is characterized by the number of times, large area, short time interval. June 24 ~ 26