Stronger cold air will affect the strong snowfall in the central, eastern and northeastern regions of my country

　　China News Service, November 20. According to the website of the Central Meteorological Observatory, affected by the strong cold air, from 08:00 on November 20 to 08:00 on November 23, my country will experience a strong wind cooling process from northwest to southeast: temperature in most areas It will drop by 6-10°C successively, and the temperature drop in parts of western Inner Mongolia, western Shanxi, eastern Huanghuai, middle-eastern Jianghuai, middle-eastern Jiangnan and other places can reach 12℃, and the local temperature is above 14℃; 20-22, western Gansu , Central and eastern Inner Mongolia and northeastern regions will have light to moderate snow or sleet, and heavy snow in some areas. Among them, there will be blizzards in parts of central and eastern Heilongjiang and eastern Jilin, and there will be heavy or extremely heavy snowfalls in local areas (30～ 35 mm).

Stronger cold air will affect central and eastern my country

　　Affected by the relatively strong cold air, from 08:00 on November 20 to 08:00 on November 23, my country will experience a strong wind cooling process from northwest to southeast: the temperature in most areas will drop by 6-10 ℃ successively, in western Inner Mongolia, western Shanxi, In some areas of the eastern part of Huanghuai, the central and eastern Jianghuai, and the central and eastern Jiangnan, the temperature drop can reach 12℃, and the local temperature is above 14℃; accompanied by 4~6 northerly winds and 7~9 gusts; at night on the 21st On the morning of the 23rd, the Bohai Sea, most of the Yellow Sea, most of the East China Sea, Taiwan Strait, east of Taiwan, Bashi Strait, northern South China Sea, Qiongzhou Strait, and Beibu Gulf will have strong winds of magnitude 7-9 and gusts of magnitude 10-11; on the 23rd The 0°C line of the morning minimum temperature is located in the middle and lower reaches of the Yangtze River to the northern part of the Sichuan Basin, and the minimum temperature in the southern part of the Yangtze River will drop to about 4°C (see Figures 1 and 2).

Figure 1 National Gale Cooling Forecast Map (08:00 on the 20th to 08:00 on the 23rd)

Figure 2 National minimum temperature forecast map (08:00 on the 20th to 08:00 on the 23rd)

　　It is estimated from 08:00 on the 20th to 08:00 on the 22nd in northern Xinjiang, central and eastern Northwest China, central and western Inner Mongolia, western and southern North China, Huanghuai, Jianghuai, northern and central Jiangnan, northern and western South China, and northern and southeastern Southwest China. The temperature dropped by 6～10℃ in some areas of other places, among which the local temperature in western Shanxi and other places dropped by more than 12℃; northern Xinjiang, central and eastern northwestern regions, central and western Inner Mongolia, northern China, Huanghuai, Jianghuai, Jianghan, northern and western Jiangnan There are northerly winds of magnitude 4 to 6 and gusts of magnitude 7 to 9 in parts of other places (see Figure 3).

The Central Meteorological Observatory continued to issue blue cold wave warnings at 06:00 on November 20.

Figure 3 National Gale Cooling Forecast Map (08:00 on the 20th to 08:00 on the 22nd)

Strong snowfall in the Northeast

　　From 20 to 22, there will be light to moderate snow or sleet in western Gansu, central and eastern Inner Mongolia, and northeastern regions, and heavy snow in some areas. Among them, there will be blizzards in parts of central and eastern Heilongjiang, eastern Jilin, and local areas. Blizzard or extreme blizzard (30 ~ 35 mm).

There was still fog in Huanghuai and other places on the morning of the 20th

　　From the morning to the morning of the 20th, there were still foggy weather in parts of central and southwestern Shandong, northern Anhui, northeastern Jiangsu, central Zhejiang, eastern Jiangxi, western Fujian, and central and southern Guizhou. Local areas with visibility of less than 500 meters Dense fog.

　　On the 20th, affected by the weak cold air, the haze weather in southern North China weakened and dissipated, but some areas in Huanghuai, Jianghan and other places still had light to moderate haze, and local short-term severe haze.

Since the 21st, affected by the strong cold air, the fog and haze in most of the central and eastern regions have weakened and dissipated.

In addition, affected by the strong cold air, from the 20th to the 21st, there will be sand or floating dust in parts of eastern Xinjiang and the southern Xinjiang basin, central and western Inner Mongolia, and northern North China.

Specific forecasts for the next three days

　　From 08:00 on November 20 to 08:00 on November 21, there was light snow or sleet in parts of southeastern and central Inner Mongolia, southern Tibet, and Hexi of Gansu.

Liaodong Peninsula, southeastern Northwest China, central and southern North China, Huanghuai, Jianghuai, Jianghan, most of Jiangnan, eastern Southwest, eastern Yunnan, most southern China and other places have light to moderate rain, of which, northeastern Guangxi and other places Heavy rain (25-30 mm) in some areas.

There are winds of force 4 to 6 in parts of southwest Inner Mongolia and eastern Gansu. Among them, there are winds of force 7 to 8 in parts of northern Tibet.

There are 6-7 winds in the Taiwan Strait (see Figure 4).

Figure 4 National precipitation forecast map (from 08:00 on November 20 to 8:00 on November 20)

　　From 08:00 on November 21st to 08:00 on 22nd, there was light to moderate snow or sleet in parts of central and eastern Inner Mongolia, most of the northeastern region, eastern Tibet, and western Sichuan plateau. Among them, central and eastern Heilongjiang, eastern Jilin, and Liaoning Heavy snow (10-15 mm) occurred in some areas in the northeast and other places.

There was light to moderate rain in parts of southern Jianghuai, most of Jianghan, Jiangnan, eastern Southwest, and most of southern China, and local heavy rain (25-35 mm).

There are winds of 4 to 6 in parts of central Inner Mongolia, the central and southern parts of Northeast China, most of North China, and northern Huanghuai. Among them, there are winds of 6 to 7 in parts of central Inner Mongolia and the Liaodong Peninsula.

In the Bohai Sea, most of the Yellow Sea, most of the East China Sea, and east of Taiwan, there will be strong winds of magnitude 7-9 and gusts of magnitude 10-11 (see Figure 5).

Figure 5 National precipitation forecast map (08:22-22:08, November 21)

　　From 08:00 on November 22 to 08:00 on the 23rd, there was moderate to heavy snow in parts of the eastern and northern parts of Northeast China, northeastern Tibet, and southern Sichuan Plateau. Among them, there were heavy snowfalls in parts of central and eastern Heilongjiang and local areas. Blizzard or extreme blizzard (30 ~ 35 mm).

There was light rain in parts of southeastern Tibet, southern Jiangnan, southeastern Sichuan Basin, northeastern South China, Yunnan and Hainan Island, and local moderate rain.

There are winds of 4 to 6 in parts of southeastern Inner Mongolia, the central and southern parts of Northeast China, the Shandong Peninsula, and the southern coastal areas of Guangxi. Among them, there are winds of 6 to 7 in parts of northeastern Heilongjiang.

The Bohai Sea, most of the Yellow Sea, most of the East China Sea, the Taiwan Strait, the east of Taiwan, the Bashi Strait, the northern waters of the South China Sea, the Qiongzhou Strait, and the Beibu Gulf will have strong winds of magnitude 7-9 and gusts of magnitude 10-11 (see Figure 6).

Figure 6 National Precipitation Forecast Map (08:23, Nov. 22, 08:23, Nov. 22)