一九七五年因三号台风影响,八月五日至八日,河南中部洪汝河、沙颍河、唐白河等流域,发生了历史上特大暴雨,三天雨量达八百至一千毫米,其暴雨中心的泌阳、舞阳县交界处的林庄一带,降雨量达一千六百零五毫米,促使山洪暴发,河水漫溢,库、塘崩溃,洪水泛滥,造成了重大灾害. In 1975, due to the typhoon No.3, August 5 to August 8, there were heavy rainfalls in the history of the Hongruhe River, the Shaying River and the Tangbaihe River in central Henan. The rainfall in the three days was 800-1000 millimeters The rainstorm centers of Biyang and Wuyang at the junction of Wuyang County and the rainfall of 1,650 millimeters contributed to the outbreak of flash floods, floods of rivers, the collapse of reservoirs and ponds and the floods that caused major disasters.