[Explanation] According to the Central Meteorological Observatory, it is expected that there will be heavy rainfall in the southern region from May 19 to 21, accompanied by strong convective weather such as thunderstorms and hail.
Since May, severe convective weather has occurred frequently in China. On May 14, tornadoes occurred successively in Suzhou and Wuhan.
Will there be tornadoes in the new round of precipitation and strong convective weather from the 19th to the 21st?
Experts said it is necessary to pay close attention to early warning information.
[Concurrent] Zhou Bing, Chief Climate Service, National Climate Center
Because the life of a tornado itself is very short, maybe a few minutes to ten minutes, and in the process of forecasting a tornado, it is very difficult.
So generally speaking, tornadoes are only warned when they are approaching.
Will there be tornadoes in the next few days?
I think we should pay close attention to the warning information when it is approaching.
[Explanation] Recently, strong convective weather has occupied the home field in the weather of many provinces in our country, and even relatively rare weather phenomena such as tornadoes have occurred. What caused it?
[Concurrent] Fang Chong, Chief Forecaster, Central Meteorological Observatory, National Meteorological Center
The area where the warm and humid airflow basically arrives all year round is basically in South China. This year, the precipitation in South China is not too obvious. The entire subtropical high increases with it directly in May, and it rises to make the warm and humid airflow. Directly transported to the Yangtze River Basin.
Therefore, in this area of the Yangtze River Basin, it is obvious that the upper part is dry and cold, and the lower part is a stratified state of warm and wet. It is very conducive to the formation of this kind of strong convective weather. In addition, the middle and lower reaches of the Yangtze River are also in our country. Relatively high incidence area of tornadoes.
[Explanation] In the next three days, there will be rain and strong convective weather in many places in the south. How can the public defend themselves in the face of strong convective weather?
[Concurrent] Fang Chong, Chief Forecaster, Central Meteorological Observatory, National Meteorological Center
The first one I think we still need to pay attention to the forecast and early warning of the weather station.
Another thing is that we have encountered this kind of strong convective weather. For example, if we encounter thunder and lightning, try not to stay in this flat area. Try to stay in an area protected by lightning rods. If you have a car, stay in the car as much as possible. Don't stay high.
If we encounter such windy weather, that is to say, including thunderstorms, gales and tornadoes, we should try our best to stay away from these branches, billboards, and dilapidated buildings.
If we encounter this kind of short-term heavy precipitation weather, we still try to stay away from some low-lying areas in the city.
If you go to mountainous areas, try to avoid areas far away from these mountain torrents, because if there are short-term heavy rainfall in the mountain torrents, it may cause some mountain torrents and debris flows.
Dong Zeyu reports from Beijing
Editor in charge: [Lu Yan]