China News Service, Beijing, May 21 (Chen Hang) On the 21st, showers or thunderstorms occurred in most areas of Beijing, and some areas were day and night. The reporter learned from the Beijing Meteorological Department that strong convective weather has very low convective cloud bases and relatively thick clouds, blocking the sunlight and forming a phenomenon of day and night, which is a common phenomenon in strong convective weather.
After 14:00, heavy rainfall began to affect Beijing from west to east, and local hail occurred in Mentougou, Fangshan, Shijingshan and Fengtai. As of 16:00, Beijing had an average rainfall of 3.8 mm, urban areas 4.8 mm, northwest 5.4 mm, southwest 4.7 mm, northeast 3.0 mm, and southeast 0.4 mm. The largest rainfall occurred at Shentou Gorge in Mentougou, 22.8 mm, and the maximum hourly rain intensity also appeared at the station, with 22.8 mm rainfall at 15-16 hours.
Some netizens said on Weibo that at this moment, the dark clouds of Chaoyang City were about to be destroyed, and the heavy rain was falling.
According to the Beijing Meteorological Department, strong convective weather has very low convective cloud bases and deep cloud cover, which blocks the sunlight and forms a day and night phenomenon, which is a common phenomenon in strong convective weather.
The Beijing Meteorological Department said that it is expected to have thundery showers until 21:00, the local rainfall is relatively strong, and may be accompanied by strong convective weather such as short-term strong winds and hail above grade 7. Urban rainfall continued until 19-20 o'clock, after 21 o'clock the rainfall in the city basically ended. The rainfall is unevenly distributed. In most areas, the rainfall is 3 to 8 mm, the local rainfall is 20 to 25 mm, and the maximum hourly rainfall is about 20 mm.
The Beijing Meteorological Observatory distributed the mine warning blue warning signal at 12:45, and upgraded the lightning warning yellow warning signal at 15:30. Mentougou, Fangshan and Haidian have issued yellow hail warning signals.
The Beijing Meteorological Department reminded that it is necessary to guard against the adverse impact of thunderstorms in the evening on the city ’s evening peak traffic, and people should pay attention to rain and lightning protection when traveling. (Finish)