According to the monitoring and forecast of the China Meteorological Administration, due to the influence of cold air, from the 20th, China's Inner Mongolia, Northeast China, North and Central China and other places have 4 to 6 °C cooling, local area can reach 8 ~ 10 ° C, northern Xinjiang, Inner Mongolia, Central and Eastern, Northeast There are 4 to 6 winds in other places; some areas in Xinjiang's southern Xinjiang basin and western Inner Mongolia have sand or dusty weather. At a time when the northern winter wheat jointing stage, low temperature scant sunlight weather unfavorable for wheat jointing, heading or less likely to cause low seed, grain is not full, etc., then need to pay close attention to field management, scientific management in the field of water and fertilizer, strong Mulberry roots enhance the cold resistance of wheat.

Affected by low temperatures, from night to tomorrow morning, some parts of Guizhou, eastern and southern Hunan, southwestern and eastern Jiangxi, northwestern Fujian, northeastern Guangxi, and northeastern Sichuan Basin are foggy. Some parts of the Qinghai-Tibet Plateau and central and eastern Inner Mongolia have small to medium snow or sleet; southeastern Tibet, southwestern China, western South China, Jianghan, Jiangnan West, Huanghuai, Jianghuai, North China, Northeast There were small to moderate rains or thunderstorms in the ministries, among which, on the 21st, there were heavy rains in the southeastern part of the Qinghai-Tibet Plateau and in the eastern part of the Sichuan Basin, in the middle of Chongqing, and in the southwestern part of Hubei.

The specific forecast is as follows:

From 20:00 on the 18th to 20:00 on the 19th, there were small to medium snow or sleet in the northeastern part of Inner Mongolia, western and southern Tibet, and parts of the central and eastern parts of the Qinghai-Tibet Plateau. There were some heavy snow in the southwest of Tibet; western Xinjiang and northwest Yunnan. There are small to moderate rains or showers in the south, the central Sichuan Basin, and Hainan. There are 4 to 6 winds in the northern and southern Xinjiang basins, the Gansu Hexi Corridor, the central and eastern Inner Mongolia, and the southeastern part of the country. There are sand or floating dust weather in the Xinjiang Basin in Xinjiang. The northwestern part of the Yellow Sea and the northeastern part of the East China Sea will have a northwesterly wind of 7-8 grades and 9 winds. The central part of the Yellow Sea will have a northwesterly wind of 6 to 7 and a gust of 8 winds.

From 20:00 on the 19th to 20:00 on the 20th, there were small to medium snow or sleet in the central and western Tibet, eastern Qinghai, and northeastern Inner Mongolia. Among them, there were medium to heavy snow in southwestern Tibet and southeastern Qinghai; Xinjiang Ili Valley, Tibet There are small to moderate rains or thunderstorms in the eastern, northwestern, western North, southwestern, southern Yunnan, Hainan, and Heilongjiang. There are 4 to 6 winds in northern Xinjiang, central and eastern Inner Mongolia, and northeastern regions. There are sand or floating dust weather in the Xinjiang Basin in Xinjiang. There will be 5 to 7 northeast winds in the southern part of the East China Sea, the Taiwan Strait, and the northern part of the South China Sea.

From 20:00 on the 20th to 20 o'clock on the 21st, there are small to medium snow or sleet in the north and east of the Qinghai-Tibet Plateau, and in the central and eastern Inner Mongolia; southeastern Tibet, southwestern region, western South China, Jianghan, western Jiangnan, Huanghuai, Jianghuai There are small to moderate rains or thunderstorms in most parts of North China and most of the Northeast. The southeastern part of the Qinghai-Tibet Plateau and the eastern part of the Sichuan Basin, central Chongqing, and southwestern Hubei have heavy rains. There are sand or dusty weather in Xinjiang's southern Xinjiang basin and western Inner Mongolia. There are 4 to 6 winds in most of Inner Mongolia and northeastern Xinjiang. There will be 5 to 7 southerly winds in the central and southern parts of the Yellow Sea and most of the East China Sea; there will be 5 to 7 winds in the Taiwan Strait and the northern part of the South China Sea.