In the early stage of the National Day holiday in China, the south is expected to have a record high temperature during the same period, but after October 4, there may be a significant cooling. The cumulative cooling in some areas can reach more than 20 degrees Celsius, and the hot and cold conversion is severe.

According to the "China Weather Network" WeChat public account Thursday (September 29), the early National Day holidays will continue to develop high temperatures. Wuhan, Hefei, Hangzhou, Nanchang, Nanjing and other southern partsThe city is expected to break the highest temperature record in October.

The forecast of the Central Meteorological Observatory shows that from October 1st to 4th, large -scale high temperature weather will occur in the south of the Huaihe River, which will affect more than 1 million square kilometers.The highest temperature in Jianghan and other places will be 35 to 37 degrees Celsius. The highest temperature in Jiangnan is even approaching 40 degrees Celsius. High temperature intensity and range are rare during the same period.

Sources said that the high temperature in the South has certain extremes, and high temperature strength, high temperature day, and the latest time of high temperatures may refresh the history of the same period.

Li Liang, a weather analyst of China Weather Network, said that in early October, the subtropical high -voltage high -pressure controlled most of the southern parts of China, causing sunny and rainy, and the wind was small, so that more solar radiation can reach the ground, the ground and the ground and the ground and the ground and the ground and the ground and the ground.Get more heat near the ground at the ground, and it is prone to high temperature.

However, after October 4, as strong cold air falls south, the temperature will fall from north to south, and the cooling range will generally exceed 10 degrees Celsius.The above, turn on the "Seasoning Cooling".

For example, the expected maximum temperature in Hefei City, Anhui Province is 38 degrees Celsius on October 3, and the highest temperature forecast on the 4th will be reduced to 19 degrees Celsius.On the 5th, the maximum temperature may be about 15 degrees Celsius.

Li Liang reminded that the high temperature in the south in the early stage of the National Day holiday is wide and strong. You need to pay attention to heatstroke prevention. Try to avoid high temperature periods as much as possible.Keep warm, beware of a cold.