The Central Meteorological Observatory issued a blue warning of low temperature. Where does the cloudy day last?

Affected by the cold wave, the temperature in most parts of South China rose slowly and remained cloudy. There are 4-5 northerly winds in some areas, and the cold weather is obvious. The average daily temperature in Guizhou, Hunan, Guangxi, Guangdong, southeastern Chongqing, southwestern Hubei, south-central Jiangsu, eastern Anhui, Shanghai, central and eastern Zhejiang is about 5℃ lower than that in the same period in history, and the temperature in some areas of central Guizhou, eastern Guizhou, western Hunan and northwestern Guangxi is as low as 7℃.

There are 4-6 northerly winds and 7-8 gusts along the coast of South China. The daily average temperature in Guizhou, southeastern Chongqing, Hunan, western Jiangxi, Guangxi, northwestern Guangdong, south-central Jiangsu, Shanghai, northeastern Zhejiang and other places is about 5℃ lower than the historical period, and some areas in southeastern Guizhou and southwestern Hunan are as high as 7℃. There is light snow or sleet in northeastern Inner Mongolia, northern Heilongjiang, southeastern and western Tibet, eastern Guizhou, southeastern Chongqing, southwestern Hubei, and northwestern Hunan. Among them, there are heavy snow and local snowstorms in parts of southern Tibet.

There is light rain in south-central Jiangnan, south-central Guizhou, southwest Yunnan, central and eastern Guangxi, northern Guangdong, Hainan Island and eastern Taiwan Province Island. The daily average temperature in Shanghai can drop by 8 ~ 10℃ within 48 hours. The first snow that broke the date this year may also come to participate in this activity. There may be light sleet or light snow in the north and east of Shanghai. Cold air has a great influence on temperature, and it is easy to induce respiratory tract infection and cardiovascular and cerebrovascular diseases. Add clothes in time and pay attention to safety.

The strong wind brought by cold air has certain influence on land and water transportation. Please pack up outdoor items that are easily affected by strong winds in time, and stay away from outdoor billboards and simple structures. The influence of cold air lasts for a long time, so we should pay attention to the anti-freezing, fire fighting and electricity safety of water, electricity and gas pipelines. Inform the outdoor staff to pay attention to safety. Pay attention to the latest information of gale cooling reported by the media in order to take further measures; Traffic, public security and other departments shall, in accordance with their duties, make preparations for road icing.