According to the website of the Central Meteorological Observatory, affected by the cold tide, from 8 o'clock on November 5 to 8 o'clock on the 8th, There will be a windy cooling weather process in China from northwest to southeast: the temperature in most areas will drop by 8 to 10 ° C successively, and the northwest, most of Inner Mongolia, north China, Huanghuai, the western part of Jianghuai, the southern part of the northeast and other places will drop by up to 12 to 14 ° C, and the local area will be above 16 ° C. From the 5th to the 6th, the atmospheric diffusion conditions in the central and southern parts of North China, the central and western parts of Huanghuai, and the central and southern parts of the Northeast Region were poor, with light to moderate haze, among which there was heavy haze in central Beijing-Tianjin-Hebei and other places.
Yesterday, there was strong winds in the Ili River Valley in Xinjiang and along the Tianshan Mountains to cool down the rain and snow
Affected by the cold tide, this morning, there was a 4 to 10 °C cooling in the Ili River Valley and along the Tianshan Mountains in Xinjiang, and the local decline reached 12 to 14 °C; along the Tianshan Mountains and the area south of it, there were 8 to 10 gusts of wind, and the local winds exceeded 12 levels, and sandstorms or sandstorms appeared in Bazhou, Turpan, and Hami. Yesterday, moderate to heavy snow appeared in the Ili River Valley and along the Tianshan Mountains in Xinjiang, and there was blizzard (10 to 17 mm) in Zhaosu County and Xinyuan County of Ili; at 7 o'clock today, the snow depth in the above areas was 1 to 5 cm, and the local area was 7 to 9 cm.
This morning, there was a fog with visibility of less than 1 km in central and eastern Beijing, Tianjin, northeastern and south-central Hebei, north-central Shandong, eastern Inner Mongolia, eastern and southwestern Heilongjiang, western Jilin, western Liaoning and the peninsula, central Shaanxi and central Hubei, and local visibility of less than 200 meters.
Cold snaps will affect our country from northwest to southeast
Affected by the cold wave, from 08:00 on November 5 to 08:00 on November 8, There will be a wind cooling weather process in China from northwest to southeast: the temperature in most areas will drop by 8 to 10 °C successively, and the temperature in the northwest, most of Inner Mongolia, North China, Huanghuai, western Jianghuai, and southern Northeast China will drop by up to 12 to 14 °C, and the local area will be above 16 °C; accompanied by 4 to 6 northerly winds and gusts of 7 to 8 degrees; the minimum temperature 0 °C line on the morning of the 8th is located in central Shandong, central Henan to northern Sichuan. The minimum temperature in northern South China will drop to around 10°C (Figures 1 and 2).
Figure 1 National gale cooling forecast map (08:00 on November 5 to 08:00 on November 8)
Figure 2 National minimum temperature forecast map (08:00 on November 5 to 08:00 on November 8)
It is estimated that from 08:00 on the 5th to 08:00 on the 7th, the temperature in eastern and southern Xinjiang, most of Inner Mongolia, northern Qinghai, Gansu, Ningxia, Shaanxi, north China, and most of the northeast will drop by 8 to 10 °C, of which most of Inner Mongolia, Gansu, western Shaanxi, and parts of northern China will drop by up to 12 to 14 °C, and the local area will be above 16 °C; and accompanied by 4 to 6 northerly winds and 7 to 8 gusts. The Central Meteorological Observatory continued to issue a yellow warning of cold tide at 06:00 on November 5 (Figure 3).
Figure 3 National gale cooling forecast map (08:00 on November 5-08:00 on November 7)
In addition, from the 5th to the 6th, there will be moderate to heavy snow in central and southeastern Inner Mongolia, northern China and other places, and there will be heavy snow to heavy snow in some areas. Seven days later, the heavy snowfall area moved eastward, and there were heavy snowfalls in parts of northeastern Hebei, southeastern Inner Mongolia, southwestern Liaoning, and western Jilin.
There is smog weather in Huanghuai and other places in North China
From the 5th to the 6th, the atmospheric diffusion conditions in the central and southern parts of North China, the central and western parts of Huanghuai, and the central and southern parts of the Northeast Region were poor, with light to moderate haze, among which there was heavy haze in central Beijing-Tianjin-Hebei and other places. From the afternoon of the 6th, due to the combined action of precipitation and cold air, the haze weather in the above areas will gradually weaken and dissipate from north to south. In addition, from the morning of the 5th to the morning, there was heavy fog in Beijing, Tianjin, central and northeastern Hebei, northeastern and southern Shandong, western and southeastern Liaoning, southwestern Heilongjiang and the Sichuan Basin, among which there was a strong fog with visibility of less than 200 meters in parts of southeast Beijing, Tianjin, central and northeastern Hebei, southwest heilongjiang and other places, and there was a strong thick fog with visibility of less than 50 meters. The Central Meteorological Observatory continued to issue a yellow warning of fog at 6 o'clock on November 5.
There is moderate to heavy rain in Gangnam and other places
From the 5th to the 7th, there will be significant precipitation in Jianghuai, Jiangnan, South China and other places, most of which will have small to moderate rain, of which there will be heavy rain and localized heavy rain in parts of eastern Hunan, northern Jiangxi, northern Fujian, south-central Zhejiang and eastern Jiangsu.
Specific forecasts for the next three days
From 08:00 on November 5 to 08:00 on November 6, there was light to moderate snow in parts of eastern and southern Xinjiang, Hexi, Eastern and Western Inner Mongolia, Western and Northern Heilongjiang, Northern Ningxia, and Northern Qinghai, of which parts of the northern part of central Inner Mongolia had heavy snow (5 to 8 mm). Most of Jiangnan has moderate to heavy rain, of which there are heavy rains (50 to 80 mm) in local areas such as northeast Jiangxi, southern Zhejiang, and northwest Fujian. There are 4-6 winds in some parts of central Inner Mongolia, of which there are 6-7 winds in parts of western Inner Mongolia and the southern Xinjiang Basin of Xinjiang, and 8-9 winds in parts of eastern Xinjiang (see Figure 4).
Figure 4 National precipitation forecast map (08:00 on November 5 to 08:00 on November 6)
From 08:00 on November 6 to 08:00 on November 7, there was light to moderate snow or sleet in parts of the southern and western mountains of the southern Xinjiang Basin, the eastern part of the northwest region, the south-central and southeastern part of Inner Mongolia, the central and eastern part of Heilongjiang, the central and western part of Jilin, the western part of Liaoning, and most of north China, among which there were large to heavy snow and local heavy snowfall in parts of the Qinling Mountains in Shaanxi, the southeastern part of Inner Mongolia, the northern part of Hebei, and the mountainous areas in northwest Beijing. There is light to moderate rain in parts of southern China, Huanghuai, Jianghuai, Jianghan, Jiangnan, most of South China, and the eastern part of the southwest region, among which there is heavy rain (25 to 40 mm) in the north of Shanxi, southern Hunan, southern Jiangxi, northeastern Guangxi, northwestern Guangdong, and northern Chongqing. There are 4-6 winds in parts of southwestern Inner Mongolia, southern Qinghai, Hexi, central Henan, and northern Hubei (see Figure 5).
Figure 5 National precipitation forecast map (08:00 on November 6 to 08:00 on November 7)
From 08:00 on November 7 to 08:00 on November 8, parts of southeastern Inner Mongolia, south-central Heilongjiang, central and western Jilin, western and northern Liaoning, most of Hebei, and the northern part of Shandong have small to moderate snow or sleet, of which parts of southeastern Inner Mongolia, western Jilin, western Liaoning, northeastern Hebei, and most of Tianjin have large to heavy snowfall and local heavy blizzard. There was light to moderate rain in eastern Jilin, eastern Liaoning, most of Huanghuai, Jianghuai, Jianghan, Jiangnan, southern China and parts of the eastern part of southwest China, of which parts of eastern and southern Liaoning, central Shandong and other places had heavy rain. There are 4-6 winds in some parts of northern Shaanxi, northern Hebei and northern Jiangsu, of which parts of southeastern Inner Mongolia have 7-8 winds (see Figure 6).
Figure 6 National precipitation forecast map (08:00 on November 7 to 08:00 on November 8)
Impact & Attention
1. 5-7 days of cold wave weather process, pay attention to the adverse effects of wind cooling on energy supply, human health, epidemic prevention and control, as well as facility agriculture, animal husbandry, economic forest fruits, open vegetables, etc.;
2. Pay attention to the adverse impact of rain and snow weather on transportation and outdoor work in Inner Mongolia, North China, Northeast China and other places;
3. Be concerned about the adverse effects of high winds at sea in the eastern sea area;
4. Pay attention to the fog and haze trends and impacts in North China, Huanghuai and other places from 5 to 6 days;
5. Pay attention to the adverse effects of the strong precipitation process in Jianghuai and other places in Jiangnan on the 5th to 6th.