7月17日以来,河南出现持续性强降水天气,全省大部出现暴雨、大暴雨,强降水主要集中在西部、北部和中部地区,郑州、焦作、新乡等10地市出现特大暴雨。 7月20日,郑州市航海路东三环附近街道竖立起“危险”标识。 A total of 12 people have been killed in the torrential rains in the downtown area of Zhengzhou, the provincial capital of central China's Henan province, the local government said. 河南省政府表示,截至目前,暴雨已造成郑州市区12人死亡,当地已转移避险约10万人。7月18日18时至21日0时,郑州累积平均降水量达449毫米。 【知识点】 从气象上来说,24小时降水量(24-hour precipitation)为50毫米或以上的雨称为“暴雨”(rainstorm/ downpour/ torrential rain)。特大暴雨是一种灾害性天气(disastrous weather),往往造成“洪涝灾害”(flood),在山区还会引发“山体滑坡”(landslide)和“泥石流”(debris flow)。Landslide(山体滑坡)是暴雨使山体不堪重负,由山体薄弱地带断开整体下滑,而debris flow(泥石流)是暴雨使沙土石达到水饱和,在重力的作用下液化的泥沙石向低洼处流动。 Zhengzhou received average precipitation of 457.5 mm within 24 hours to 5 pm Tuesday, the highest daily rainfall …
Firefighters are making progress in containing the massive Perth Hills bushfire, which has so far razed 81 properties in four days and more than 10,00 hectares of land. Key points: Firefighters have managed to save the under-threat Shady Hills estate But the perimeter of the massive blaze has grown to 136 kilometres Emergency funding has been announced for affected homeowners …