The cold wave will affect my country’s Inner Mongolia, Heilongjiang and other areas and there will be heavy snowfall

China News Service, November 21. According to the website of the Central Meteorological Observatory, rain and snow occurred in northern Xinjiang yesterday. In the next three days, there is a risk of heavy snowfall, low-temperature rain, snow and freezing disasters in eastern Inner Mongolia and northeastern regions, and attention is paid to the impact on transportation, agriculture and animal husbandry; North China, Huanghuai, Jianghuai and other places are concerned about the impact of haze weather on transportation, Impact on human health, etc.

　　Cold wave will affect our country

Affected by the cold wave, from November 21 to 24, the temperature in the middle and lower reaches of the Yangtze River and the north will drop by 6 to 10 degrees Celsius. Among them, Inner Mongolia, Northeast China, western and northern North China, and eastern Huanghuai will drop by 12 to 16 degrees Celsius. ℃, the temperature drop in some areas such as central and eastern Inner Mongolia and eastern Northeast China can exceed 16 ℃. The main period of strong wind cooling is from the 22nd to the 24th. After the cold wave, the minimum temperature line of 0℃ will be located from central and northern Jiangsu and Anhui to central and southern Henan. , southern Shaanxi, southeastern Gansu and other places, the lowest temperature in central and eastern Inner Mongolia and most of Heilongjiang will drop below -20℃, and locally reach below -30℃; at the same time, most of the above-mentioned areas will be accompanied by northerly winds with level 4 to 6 Winds, with gusts of magnitude 7 to 8 and local magnitude 9; from the 23rd to the 25th, strong winds of magnitude 6 to 8 and gusts of magnitude 9 to 10 will also occur in the eastern and southern sea areas of China.

It is expected that from 08:00 on the 21st to 08:00 on the 23rd, the temperature will drop by 6 to 10°C in eastern Xinjiang, northeastern Northwest China, most of Inner Mongolia, central and western Northeastern China, and western and northern North China. Among them, the temperature in central and southeastern Inner Mongolia will drop by 6 to 10 degrees Celsius. , northwest Heilongjiang and other places dropped by more than 12℃. The Central Meteorological Observatory will continue to issue yellow warnings for cold waves at 06:00 on November 21 (see Figures 1, 2, and 3), and will continue to issue blue warnings for strong winds.

Figure 1 National cooling forecast map (08:00 on November 21st – 08:00 on November 25th)

Figure 2 National minimum temperature forecast map (08:00 on November 21st – 08:00 on November 25th)

Figure 3 National cooling forecast map (08:00 on November 21st – 08:00 on November 23rd)

In addition, before the impact of the cold wave, the atmospheric diffusion conditions in central and southern North China, Huanghuai, and Guanzhong in Shaanxi were poor, with light to moderate haze and severe local haze. From the morning to the morning of the 21st, southern Hebei, southern Shandong, and Jiangsu There is heavy fog in some areas.

　　There will be heavy snowfall in Inner Mongolia, Heilongjiang and other places

It is expected that from 08:00 on November 21st to 08:00 on November 23rd, there will be heavy to heavy snowfall in parts of eastern Inner Mongolia, central and eastern Heilongjiang, Changbai Mountains in Jilin and other places, with localized heavy snowfall, and the cumulative snowfall will be 8 to 20 mm. , the local area can reach 20-30 mm, the new snow depth is 6-15 cm, and the local area can reach about 20 cm; there is freezing rain in central Jilin, southeastern Heilongjiang and other places; the rain and snow weather mainly affects the night of the 21st to the 22nd. The Central Meteorological Observatory issued a yellow snow warning at 06:00 on November 21 (Figure 4, Figure 5).

Among them, from 08:00 on November 21st to 08:00 on November 22nd, there was heavy snow in some areas of eastern Inner Mongolia, and there were local blizzards (10-12 mm). The new snow depth in the above-mentioned areas was 3-8 cm.

Figure 4 Forecast map of heavy snowfall areas across the country (08:00 on November 21st – 08:00 on November 22nd)

From 08:00 on November 22 to 08:00 on November 23, heavy to heavy snowfall occurred in parts of eastern Inner Mongolia, central and eastern Heilongjiang, and the Changbai Mountains of Jilin. Locally heavy snowfall (20-27 mm) occurred in the south and central areas of Heilongjiang. The above parts The depth of new snow cover in the area is 6 to 15 centimeters, and locally it is about 20 centimeters.

Figure 5 Forecast map of heavy snowfall areas across the country (08:00 on November 22 – 08:00 on November 23)

　　Detailed forecast for the next three days

From 08:00 on November 21 to 08:00 on November 22, there will be light to moderate snow or sleet in parts of eastern Inner Mongolia, southwestern Heilongjiang, and western Jilin. Among them, there will be heavy to heavy snowfall (10 to 12 mm) in eastern Inner Mongolia. ). There will be light rain in parts of central Jilin, most of Liaoning, southeastern Tibet, southern Sichuan Basin, most of Chongqing, northern Guizhou, and northeastern Yunnan. There are winds of magnitude 4 to 6 in some areas in the central and northeastern northwest, most of Inner Mongolia, and western and northern North China. There is local blowing sand in the Hetao area of Inner Mongolia and Hexi of Gansu Province (see Figure 6).

Figure 6 National precipitation forecast map (08:00 on November 21st – 08:00 on November 22nd)

From 08:00 on November 22 to 08:00 on November 23, there will be light to moderate snow or sleet in parts of central and eastern Inner Mongolia, most of Heilongjiang, Jilin, and northern Liaoning. Among them, eastern Inner Mongolia, central and eastern Heilongjiang, and the Changbai Mountains of Jilin There were heavy snowstorms in some areas, and heavy snowstorms (20-27 mm) in the south-central part of Heilongjiang. There will be light rain in some areas in eastern Liaoning, southeastern Tibet, and southwestern Sichuan Basin, with moderate rain locally. There are winds of magnitude 4 to 6 in parts of the central and northeastern northwest, most of Inner Mongolia, most of northeastern China, most of North China, western Huanghuai, and Shandong Peninsula (see Figure 7).

Figure 7 National precipitation forecast map (08:00 on November 22 – 08:00 on November 23)

From 08:00 on November 23 to 08:00 on November 24, there was light snow or sleet in parts of western Xinjiang, eastern Inner Mongolia, central and eastern Northeast China, and the Shandong Peninsula, with moderate snow in some places. There will be light rain in some areas in southern Hunan, southern Sichuan, and most of Yunnan. There are winds of magnitude 4 to 6 in some areas in central and eastern Inner Mongolia, most of Northeast China, most of North China, Shandong Peninsula, and eastern Jiangnan (see Figure 8).