China Weather Network News Today (July 20), heavy rains in many parts of Henan continued. Among them, Zhengzhou suffered extremely rare heavy rainfall from 16-17 o'clock, with an hourly rainfall of 201.9 millimeters and heavy water accumulation in many sections.

What is the concept of 200 millimeters of rain in an hour?

  According to the annual average data, the annual rainfall in Beijing is more than 500 millimeters, and the average monthly rainfall in Zhengzhou in July is only 146.2 millimeters.

In other words, it rained more than one month in Zhengzhou in one hour today, and it rained in Beijing for nearly half a year.

  From tonight to tomorrow, it is expected that the heavy rain in Zhengzhou will continue, and there may be heavy rains and heavy rains in some areas. The risks of local flash floods and geological disasters are high. The local public and relevant departments are reminded to strengthen inspections and inspections of potential disaster hazards. Eliminate risks and promptly transfer people in dangerous areas.

At the same time, we will strengthen traffic diversion and safety management to prevent the adverse effects of heavy rainfall on the life and travel of local residents.