72 1 What year was the flood?

The flood in Zhengzhou was July 20th, 20021year.

From 8: 00 to 17: 00 on July 20, 2002, there was a heavy rain in Zhengzhou, with some heavy rains. The maximum precipitation occurred at 438.0mm in Jiangang Reservoir in Erqi District. The continuous rainstorm in Zhengzhou, Henan Province attracted the attention of netizens. At 3: 00 a.m. on July 2 1 day, Henan Provincial Flood Control Department upgraded the emergency response level of flood control from Grade II to Grade I. ..

From July, 20265438 to July, 23, 20265438 at +0: 00, the disaster caused a total of 600 people in Henan Province 150 counties (cities, districts)1478,600, and 398 people died and disappeared due to the disaster, including 380 people in Zhengzhou, accounting for 95.5% of the province.

On the evening of July 20th, 2002/KLOC-0, Zhengzhou Meteorological Bureau sorted out and summarized the data of this rainstorm. On the 20th of Zhengzhou, from 16 to 17, the rainfall of 1 hour reached 201.9mm; ; 1From 20: 00 on September 9 to 20: 00 on September 20, the single-day rainfall was 552.5 mm; ; From 20: 00 on June 7 to 20: 00 on June 20, the rainfall for three days was 6 17. 1 mm, which was equivalent to the rainfall in previous years.

Influence of Zhengzhou flood

On July 20th, 2002/KLOC-0, water curtain cave-style water leakage occurred at exit F of Dongshilipu subway station of Zhengzhou Metro Line 4. Continuous heavy rainfall has caused serious water accumulation in some streets of Zhengzhou, which has affected the lives of citizens. On July 20th, 2002 12, the area under construction of Zhengzhou Metro12 collapsed, and a large amount of water gushed from the area under construction. At the intersection of Ping 'an Avenue and Longzihu West Road, a crane fell into the ditch.

On July 20th, 2002/KLOC-0, according to Zhengzhou Huarun Gas, due to the extreme weather of rainstorm, the road surface in Zhengzhou and its surrounding areas collapsed, and gas supply was suspended in some areas. At about 8 o'clock on July 20, 20021KLOC-0, the accumulated water rushed out of the incoming water retaining wall and entered the main line section, causing many trains of Zhengzhou Metro Line 5 to stop at Tansi Street Station and Shakou Road Station Tunnel.