What is the reason for the strong wind and cooling weather in the central and eastern regions?

From February 16 to February 17, due to the influence of cold air, there will be strong winds and cool weather in the central and eastern regions, and the temperature in some areas will turn from obviously high in the previous period to low. There are 4 ~ 6 winds and 7 ~ 8 gusts in the north of the middle and lower reaches of the Yangtze River. The temperature in the south of Northeast China, North China, Huanghuai, Jianghuai, Jiangnan and South China dropped by 4 ~ 6℃, and the local temperature was above 8℃.

The temperature in most parts of the north will "bottom out" on February 16, the highest temperature in the northeast will be around-10℃, and the highest temperature in North China and the eastern part of Huanghuai will generally drop below 5℃. In South China, such as Nanjing and Shanghai, the maximum temperature will drop to single digits, and the chill will be highlighted.

Extended data

Temperatures in various places have dropped sharply:

As of February 16 1 1, the instantaneous maximum wind force in Heilongjiang province reached 9, with moderate to heavy snow in the northeast and heavy snow in some areas. At present, the temperature in Heilongjiang Province has "bottomed out". Ren Li, forecaster of Heilongjiang Meteorological Observatory, said: "The lowest temperature in the morning of 16 is in Daxinganling area, which generally reaches MINUS 35-40 C, and most other areas are below MINUS 20 C."

In Weihai, Shandong Province, the strong wind whizzed past with light snow, and the sudden change of face caught the citizens who were still visiting relatives for the New Year off guard. Ms. Li, a citizen of Weihai, said: "The weather was fine when I went out, and it soon snowed."

According to the forecast of Weihai Meteorological Observatory, the gust in coastal areas is 9- 10, and the gust in inland areas is 8. Affected by the weather, the flight "Shengsheng 2" from Weihai to Dalian was suspended at 2 1: 30 on June 6, and the flight "Huludao" from Weihai to Dalian was suspended at 9: 30 on June 7.

It is estimated that the lowest temperature in most parts of Henan will return to below freezing point on June 5438+07. The Henan Provincial Emergency Management Department reminded relevant departments to make preparations to ensure the safety of people's return during holidays.

People's Information-The temperature in many places in the north will "bottom out", and South China will also join the ranks of cooling.