Central Meteorological Observatory: There are smog and haze in Huanghuai, Jianghuai and other places in central and southern parts of northern China. It is cloudy, rainy and snowy in southwest China and other places_Hangzhou Net

1. Weather conditions

1. Domestic situation

(1) Rain and snow occurred in southwest China and northern Xinjiang yesterday

From 08:00 yesterday to 06:00 today, light to moderate snow or sleet occurred in parts of northeastern Sichuan Plateau, northeastern Yunnan, northwestern Guizhou, Hubei southwest, southern Shaanxi and northern Xinjiang.

(2) There is haze or fog this morning in Huanghuai and Sichuan Basin in southern northern China

This morning, light to moderate haze and local heavy haze occurred in southern Hebei, southern Shanxi, western Shandong, Henan, northern Anhui, southern Jiangsu, eastern Hubei and central Shaanxi; parts of the Sichuan Basin, eastern Yunnan and western Guizhou were heavy fog with visibility less than 1km in area and local visibility less than 200m.

2. Made abroad

(1) Heavy snowfall in western and eastern Japan and the United States

Northern Europe, Western Europe, Northeast Asia, Southern West Siberia, Southwestern Canada, and most of the United States experienced light to moderate snow last week, with heavy snow in the western United States and oriental and in Japan. The Amazon lowland, western part of the Brazilian plateau, central and southern Africa, northern Australia and the southern coast of the United States experienced heavy to heavy rainfall and local heavy rainfall.

(2) The temperature in eastern North America has increased significantly, and the temperature in most of Europe is warmer

In the past week, the temperature in eastern Canada, western and eastern United States, most of Europe, Siberia and other places continued to rise, 2-4 ℃ higher than the same period a year earlier . Canada, Northwest United States, Southern Europe and other regions The temperature is high 6 ~ 8 ℃, and the local area is above 10 ℃.

2. Main weather forecasts

1. Main internal climatic conditions

(1) There is smog in Huanghuai, Jianghuai and other places in the central and southern parts of northern China

From the 2nd to the 5th, there was light to moderate haze in the central and southern parts of northern China, Huanghuai and other places, and heavy haze in parts of the southern part of northern China, central and western parts of Huanghuai, and the Fenwei plain, from the night of 2 to 5 until the next morning During the period of time, there will be thick fog in parts of eastern Henan, southwest Shanxi, Guanzhong of Shaanxi and northern Jiangsu and Anhui . On the day of the 6th, affected by the cold air, the diffusion conditions in the aforementioned areas improved, and the hazy weather weakened and dissipated.

(2) Rainy and snowy weather in southwest China and other places

Affected by the southern branch depression and cold air flowing from the south, from the 2nd to the 4th, there will be more cloudy, rainy and snowy weather in southwest China and other places. Among them, there will be light snow or rain clips in parts of eastern Tibet, western Sichuan Plateau, eastern northwest China, and northern Yunnan. . In addition, some areas in northern Xinjiang will experience light to moderate snow and local heavy snow in the next three days.

2. Major foreign weather conditions

(1) There have been heavy snowfalls in Central Asia, the Midwest of the United States and other places

Over the next three days, there will be light to moderate snow or sleet in the Kazakh Hills, Turan Plains, Pamirs, Central and Southern Siberia, Central and Northern Japan, Labrador Peninsula, Southern Alaska, the United States West-Central and Great Lakes States. Among them, parts of the central United States and the Kazakh Hills experienced heavy snow, the southeast Indochina peninsula, tropical islands of Southeast Asia, eastern United States, and southeast coastal areas experienced light to moderate rainfall, and local rainfall heavy to heavy rain.

(2) Heavy rainfall in northern Australia and high temperatures in southern Australia

Over the next three days, there will be light to moderate rainfall across northern and southeastern Australia. These include heavy to heavy rainfall in parts of northern Australia and local heavy rainfall; there will be high temperatures in central and southern Australia, with daily maximum temperatures of 35-37°C, and local areas can reach 40°C.

3. Specific forecast for the next three days

From 08:00 on January 2 to 08:00 on January 3, there was light to moderate snow or sleet in parts of northern Xinjiang, northern and eastern Tibet, southern Qinghai, southeast Gansu, northern highland of Sichuan and northeastern Yunnan. There was light rain and moderate local rainfall in parts of east and south of southwest China, north and south of Jiangnan, central part of south China, north-central part of Hainan Island and island of Taiwan. There are 4-5 winds in parts of central Inner Mongolia, northern Hebei, eastern Heilongjiang, Liaodong Peninsula, Shandong Peninsula and other places. There will be strong winds of magnitude 6-7 and gusts of magnitude 8-9 in the southern part of the East China Sea, Taiwan Strait, ocean east of Taiwan, Bashi Strait, most of the South China Sea, Qiongzhou Strait and Beibu Gulf Up to level 8~9, burst level 10 (see Figure 1).

Figure 1 Precipitation forecast map for the entire national territory (from 08:00 on 2 January to 08:00 on 3 January)

From 08:00 on January 3 to 08:00 on January 4, there was light to moderate snow or sleet in parts of northern Xinjiang, northern and eastern Tibet, central Qinghai, eastern Gansu, and southwestern Shaanxi. etc. The local area is as large as Blizzard (10-12 mm). There was light rain in parts of eastern Sichuan, southern Shaanxi, Chongqing, central and northern Guizhou, northeastern Yunnan, southwestern Hubei, northwestern Hunan, eastern Guangxi, northern Guangdong, and central and eastern Taiwan island. There are 4-6 winds in parts of central Inner Mongolia, northern Hebei, eastern Heilongjiang, Liaodong Peninsula, Shandong Peninsula and other places. There will be strong winds of magnitude 6~7 and gusts of magnitude 8~9 in the southern part of the East China Sea, Taiwan Strait, ocean east of Taiwan, Bashi Strait, most of the South China Sea, and Beibu Gulf Level 9, gust level 10 (see Figure 2).

Figure 2 Map of precipitation forecasts for the entire national territory (from 08:00 on 3 January to 08:00 on 4 January)

From 08:00 on January 4 to 08:00 on January 5, there was light to moderate snow or sleet in parts of northern Xinjiang, eastern Tibet, southern Qinghai, and northwestern Sichuan. mm). Most of the Sichuan Basin, Chongqing, Guizhou, western Hubei, most of Hunan, northern Guangxi, southern Anhui, northern Zhejiang, and central and eastern island Taiwan had light rain and moderate local rainfall. There are 4 to 5 winds in parts of central Inner Mongolia. The southern part of the East China Sea, the Taiwan Strait, the ocean east of Taiwan, the Bashi Strait and most of the South China Sea will experience strong winds of magnitude 6-7 and gusts of magnitude 8-9. 10 (see figure 3).

Figure 3 Precipitation forecast map for the whole country (from 08:00 on 4 January to 08:00 on 5 January)