Strong cold air will affect most of China's eastern Jianghuai, Jiangnan and other places with fog.
First, important weather
1. There are fogs in Jiangnan and other places in eastern Jianghuai.
It is expected that in the morning to morning, some areas in the southern part of Huanghuai, Jianghuai, Jianghan, Jiangnan, northern China, and the southwestern part of the country will have light fog, including central Hubei, eastern Anhui, most of Jiangsu, central and northern Zhejiang, and Fujian. In the west, north-central Jiangxi, south-central Hunan, southeastern Guizhou, northwestern Guangxi and other places, there are fogs with visibility less than 1000 meters, and local visibility is less than 200 meters. The Central Meteorological Observatory continued to issue a fog blue warning at 06:00 on November 19. 
2. Strong cold air will affect most of China
In the next three days, a strong cold air will affect most of China from west to east, and will be affected by it. At the night of the 19th, there will be 4-6 °C in the northern part of Xinjiang and more than 8 °C in some areas, accompanied by 4 ~6 northerly winds; small to medium snow or snow in northern Xinjiang, heavy snow in some areas, local snowstorms.
3. more rainy weather in South China
From 20 to 21, there were light rain or showers in Jianghan, Jianghuai, Jiangnan and South China. Among them, most parts of the south of the Yangtze River and parts of northern China have moderate rain and heavy rain.
Second, the specific forecast for the next three days
From 08:00 to 20:00 on the 19th, there were snow or snow in the northern part of Xinjiang, the central and eastern parts of the northeastern part, and the eastern part of Qinghai. Among them, some areas of northwestern Xinjiang and northeastern Jilin have medium to heavy snow. Blizzard; scattered rain or showers in parts of the southwestern part of the country, western Jianghan, central and western Hunan, central and western China, etc.; 4 to 6 northerly winds in eastern Inner Mongolia, northern North China, and southeastern China. There are 5 to 7 northerly winds in the Bohai Sea, the northern and central parts of the Yellow Sea. 
From 08:00 to 21:00 on the 20th, there are small to medium snow or sleet in the north of Xinjiang, the southeastern part of the northwestern part, the northeastern part of Inner Mongolia, and the eastern part of Heilongjiang. The local snow is heavy; northeastern Guizhou, north central Hunan, southeast Hubei There are moderate to heavy rains in parts of the Ministry, the northwestern part of the Yangtze River, and southern Anhui. 
21, 22, 08 am to 08 pm, and along the eastern part of Xinjiang Tianshan Mountains region, central Gansu, Inner Mongolia and northeastern Central, North China, Northeast China and other places north and east with light snow, local snow; the southern Hunan, Jiangxi most some areas in northern Guangdong, northwest of Fujian, Zhejiang and other places in southwest moderate rain, local heavy rain. 
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