China Weather News yesterday (June 28), Shijiazhuang heavy rain topic on Weibo hot search, local citizens experienced "days become dark night", the Central Meteorological Observatory today continued to issue strong convection blue warning. Recently, strong convective weather in the north has been frequently launched, and short-term heavy precipitation and thunderstorms and strong winds have occurred in North China and Northeast China. It has not yet waited for the rainy season of "7 to 8". Will North China and Northeast enter the flood early?
Strong convection warnings continue to be issued, and short-term heavy precipitation is "single point burst"
Yesterday, the heavy rain in Shijiazhuang boarded the hot search and also burst the local circle of friends. So how strong was the rainfall yesterday afternoon? Monitoring shows that during 16-18 hours, Shijiazhuang has experienced short-term heavy rainfall for 2 hours in a row. The cumulative rainfall has reached 50 mm. Usually, the rainfall in 24 hours reaches more than 50 mm. Spotted. Netizens in Harbin also experienced a "dark cloud pressure" yesterday evening. The 17--18 hour rainfall reached 19.5 millimeters, entering the top ten in the national one-hour precipitation list.
In fact, not only yesterday afternoon, recently, strong convective weather in North China frequently "online". From June 24 to 25, Beijing, Tianjin, Hebei, Shanxi and other places have successively experienced thunderstorms, strong winds, hail, and short-term heavy precipitation; Some sites in Shanxi, Hebei and other places have maximum wind speeds of 10-11.
According to Shi Yan, a meteorological analyst at China Weather Network, North China and Northeast China have not yet entered the real "seven times and eight days" main flood season. Due to the frequent impact of cold air, Beijing, Shijiazhuang, Harbin and other places have recently encountered convective precipitation. However, due to the poor water vapor conditions, it can not be compared with "seven times and eight times", so the form of heavy rainfall still appears as a "single point burst", and there are few pieces of heavy rainfall appearing.
From a normal point of view, the period from late July to early August each year is the period with the largest number of rainy days and the strongest intensity in the North China and Northeast my country. Taking Beijing as an example, from the statistics of the average precipitation in Beijing from 1981 to 2010, Beijing's precipitation in early August and late July ranked first and second respectively.
It is estimated that in the next three days, there will still be many showers and thunderstorms in North China, Huanghuai, and Northeast China, accompanied by strong convective weather such as thunderstorms, strong winds, or hail. The Central Meteorological Observatory will continue to issue blue warnings of strong convective weather today at 18:00. There are 8-10 thunderstorm gale or hail weather, and some areas in western and southern Hebei, and central and western Shandong are accompanied by short-term heavy precipitation of 30-50 mm.
Strong convective weather has sudden response measures to keep in mind
Severe convective weather is generally sudden and destructive. In addition to keeping an eye on the weather forecast in time, what else can we do to ensure travel safety?
Q: How can I safely avoid the rain in the event of a thunderstorm?
A: When there is thunderstorm weather outdoors, try not to stay outside as much as possible. Avoid hiding from high-voltage power lines and isolated tall buildings, trees, flagpoles, etc., and do not stand under the fire and trees on the open high ground to hide the rain. During thunderstorms, do not open your mobile phone on top of a high mountain, let alone use your mobile phone.
Q: Why is the impact of short-term heavy rainfall on traffic safety fatal? How to defend?
A: The “7.21” heavy rainstorm in Beijing in 2012 was a typical short-term heavy rainfall process. The city’s largest rainfall point is 460 mm in Hebei Town, Fangshan District, the city’s largest rainfall point is 328 mm in Shijingshan Mode, and the hourly rainfall exceeds 70 mm. Up to 20 stations. Such fierce short-term heavy rainfall caused 95 roads in Beijing's urban area to be disconnected due to water accumulation on that day, and the water under the Lotus Bridge was full of chest.
When the public is walking in the outdoor water, pay attention to observation and walk as close to the building as possible to prevent falling into the drainage well. If you travel by car and encounter deep water under the road surface or overpass, you should try to bypass and avoid forced passage; when the car is turned off in low-lying water, people should never wait on the car and get off to a high place Waiting for rescue.
Did you get the above strong convection defense tips? China Weather.com warmly reminds that thunderstorms hide in time, the water depth does not risk, thousands of roads, safety first! (Text/Jiang Yi Data Support/Shi Yan Audit/Feng Wei Chen Xi)