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1975年8月5～7日方城县遭遇了历史上百年不遇的特大暴雨袭击,史称“75·8”洪水。其特点是时间短,强度大,雨型组合恶劣。3天暴雨量的50%～70%集中在7日,7日最大暴雨的50%～80%集中在最后6小时。杨楼乡3天降雨量达1370mm,郭林水库3天降雨量1517mm,8月7日1天降雨量达1047mm,成为河南省第二暴雨中心。造成山洪暴发,河水猛涨,境内潘河、甘江河等河道河水冲出堤岸,疯狂肆虐。冲毁大小桥梁113座,其中一级公路桥8座,二级公路桥18座,铁路桥2
From August 5 to August 7, 1975, Fangcheng County was hit by a torrential rains hitherto rare in history, known as the flood of “75.8”. It is characterized by a short time, high strength, poor combination of rain type. 50% ~ 70% of the 3-day rainfall is concentrated on the 7th and 50% ~ 80% of the maximum rainstorm on the 7th is concentrated in the last 6 hours. Yang Lou Lou 3 days rainfall of 1370mm, Guo Lin Reservoir 3 days rainfall of 1517mm, on August 7 the rainfall of 1047mm 1 day, became the second rainstorm center in Henan Province. As a result of flash floods, the river surged, the Pan River, Ganjiang River and other river out of the embankment, crazy raging. The size of the bridge destroyed 113 seats, including a highway bridge 8, 18 two bridge, railway bridge 2