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1990年7月13～18日,受蒙古冷涡的影响,内蒙古东部地区普降暴雨到大暴雨。内蒙古北起呼伦贝尔南部,南到赤峰市中部,形成了四个暴雨集中区。被暴雨笼罩的济沁河、阿德河、胜利河、乌力吉木仁河、少冷河均出现了超历史纪录的特大洪水,绰尔河、蛟流河、西拉木伦河均出现了接近历年最大值的洪水。这些河流洪水泛滥,灾情惨重,据统计受灾面积达674.8万亩,受灾人数达163.2万人,死亡85人,死亡牲畜达23939头(只),倒塌房屋474261间。本次暴雨强度大,笼罩范围广,持续时间长,路径特殊较为罕见。现根据有关资料分析如下:
From July 13 to July 1990, influenced by the cold vortex in Mongolia, heavy rainfall was reported over the eastern part of Inner Mongolia to heavy rainstorms. Inner Mongolia Hulunbeier from the south south, south Chifeng city, forming four heavy rain concentrated area. Overwhelmed by the torrential rains, the Ji’nan River, the Ad River, the Shengli River, the Wu Li Ji Mu Ren River and the less Leng River all experienced extraordinary floods exceeding historical records. Both the Chu’er River, the Jiao River and the Xilamulun River appeared Close to the calendar year maximum flood. The flooding of these rivers was flooding and the disaster was heavy. According to the statistics, the affected area reached 6,748,000 mu and the number of affected people was 1,632,000. There were 85 deaths, 23939 dead animals (only), and 474,261 houses collapsed. The heavy rain intensity, covering a wide range of long duration, the path is relatively rare. According to the relevant information is as follows: