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1998年5～9月,我省驻马店、漯河、平顶山、南阳、濮阳、周口、信阳、新乡、商丘、平顶山等市地普降暴雨,日降雨量超过200mm的暴雨达8次之多,实测最大日雨量为罗山李湾380mm,由于雨量大,强度大,导致河水暴涨。地面积水受洪水顶托,由于河道排水不畅,洪水过后,面上排水工程不配套,积水无排水出路,上述市地普遍出现涝灾,全省有56个县市遭受严重内涝灾害。
From May to September 1998, torrential rains plummeted in the cities of Zhumadian, Luohe, Pingdingshan, Nanyang, Puyang, Zhoukou, Xinyang, Xinxiang, Shangqiu and Pingdingshan in 1998. The torrential rains with a daily rainfall of more than 200mm reached as many as 8, The amount of daily rainfall is 330 meters at Luoshan Li Bay, due to heavy rainfall and high intensity, resulting in skyrocketing water. Due to the poor drainage of the river, after the flood, the surface drainage works are not complete and there is no drainage outlet for the water. Waterlogging is common in the above cities and 56 counties and cities in the province suffer severe waterlogging disasters.