On January 31, the Meteorological Observatory issued a weather bulletin.
Domestically, there was heavy snowfall in the northeast yesterday, and heavy fog in the central and eastern parts of the country this morning. From the 31st, there will be a wide range of rain, snow and freezing weather in the central and eastern regions, focusing on the impact on the Spring Festival, urban operation, power and communication facilities, agricultural production, etc., and the south of the Yangtze River is concerned about the geological disasters that may be caused by continuous rainfall or local heavy rainfall.
Globally, in the past 24 hours, there has been heavy rain and snow in the eastern United States, Brazilian highlands and other places, and high temperatures in central and western Australia. In the next three days, there will be heavy rain and snow in northern Europe and northwest North America, and hot weather will continue in central and western Australia.
1. Domestic weather conditions
1.Live
1) Heavy snowfall occurred in Jilin and Liaoning yesterday.
From 8 o'clock to 6 o'clock yesterday, moderate to heavy snow occurred in parts of central Jilin, central and northern Liaoning, southeastern Inner Mongolia and the Ili River Valley in Xinjiang, and local heavy snowfall (10 11 mm) in Tieling and Shenyang in Liaoning; Moderate to heavy rain occurred in parts of southern Anhui, western Zhejiang, southeastern Hubei, northern Jiangxi, northeast Hunan, and northeast Guangxi.
2) Heavy fog in the central and eastern regions this morning.
This morning, heavy fog with visibility of less than 1 km occurred in southern Hebei, northern and eastern Henan, Shandong, central and northern Jiangsu and central and southern Zhejiang, Fujian, central and northern Jiangxi, eastern Hubei, central and southern Hunan, Guizhou, southeastern Sichuan, western and southern Guangxi, and western Guangdong, with local visibility of less than 200 meters.
2.Key weather forecasts
There will be widespread rain, snow and freezing weather in the central and eastern regions
From January 31 to February 5, there will be a large-scale rain, snow and freezing weather process in the central and eastern regions; There is snowfall in the eastern part of Northwest China, North China, Northeast China, northern Huanghuai and other places, and there is rain turning to sleet or snow in central and southern Huanghuai, Jianghan, western and northern Jianghuai, northwest Hunan, central and northern Guizhou, northern and eastern Chongqing, moderate to heavy snow in most of the above areas, blizzard in some areas, local heavy snowfall or extremely heavy snowfall; There was moderate to heavy rain in most areas of the middle and lower reaches of the Yangtze River and south of the Yangtze River, and heavy rain in some areas. From February 1 to 4, there was freezing rain in parts of southern Henan, central and western Hubei, northern Anhui, northern Jiangsu, southern Shandong, northwest Hunan, eastern Guizhou, and eastern Chongqing.
*The Meteorological Observatory issued a blue warning for heavy snowfall at 06:00 on January 31: It is expected that from 08:00 on January 31 to 08:00 on February 1, there will be heavy snow in parts of central and northern Shaanxi, central and southern Shanxi, southwestern Hebei, north-central and western Henan, southern Shandong, northern Jiangsu and other places, among them, there will be heavy snowfall (10 11 mm) in parts of central Shaanxi, southern Shanxi, western Henan and other places. The new snow depth in some of the above areas is 2 4 cm, and locally it can reach more than 5 cm (see Figure 1).
Fig.1 Forecast map of heavy snowfall areas across the country (from 08:00 on January 31 to 08:00 on February 1).
In addition, it is expected that from day to night on January 31, there will be heavy fog in the westerly waters of the central and southern Yellow Sea, the western waters of the East China Sea, the Taiwan Strait, the northern waters of the Beibu Gulf, the Qiongzhou Strait, the southern coastal waters of the Shandong Peninsula, the coastal waters of Jiangsu, the waters near the Yangtze River Estuary and Hangzhou Bay, the coastal waters of Zhejiang, the coastal waters of northern Fujian, and the coastal waters of Guangdong, with visibility of less than 1 km. From the morning to the morning of January 31, there were foggy weather in parts of southern Hebei, western Shandong and southern peninsula areas, northern Anhui, most of Jiangsu, eastern Zhejiang, northern Fujian, southern Hunan, northern Jiangxi, central and southern Guizhou, central and southern Guangxi, among them, some areas in southwestern Shanxi, eastern Jiangsu, eastern Zhejiang, northern Jiangxi and other places had dense fog with visibility of less than 500 meters, and local visibility was less than 200 meters. **The Meteorological Observatory continued to issue a yellow warning for heavy fog at 06:00 on January 31.
2. Global weather conditions
1.Live1) Heavy rain and snow in the eastern United States, the Brazilian Plateau and other places.
In the past 24 hours, moderate to heavy snow or sleet, localized heavy snowfall or heavy snowfall occurred in parts of southern Western Siberia, the peninsula of Asia Minor, the southern part of Central Asia, southwestern Canada, and the northeastern United States; Moderate to heavy rain, localized heavy or heavy rain, along the northwestern coast of the United States, northern and eastern Brazilian Altiplano, southern Peru, central Bolivia, southern Central Africa, southern East Africa, northern South Africa, Indonesian archipelago, southern Philippine Islands, and northeastern Australia.
2) Persistent hot weather in central and western Australia.
In the past 24 hours, there have been more than 35 high temperatures in central and western Australia, southern West Africa, southern Central Africa, northern Argentina and other places, and more than 40 in central Australia; The average temperature in southern Western Europe, most of northern Europe, most of central Europe, northern Eastern Europe, southern Arabian Peninsula, Iranian plateau, central and southern Canada, northern and eastern United States, and southern Argentina was 4 8 higher than that of the same period of the year, and more than 10 in some areas.
2.Key weather forecasts
1) Heavy rain and snow in northern Europe and northwest North America.
In the next three days, under the combined influence of the upper-level trough and the low-level low vortex, there will be moderate to heavy snow in parts of northern and eastern Europe, northwest and eastern Canada, and localized heavy snowfall; Moderate to heavy rain along the southwestern coast of Canada and the western coast of the United States, with localized heavy or heavy rain. In addition, due to the influence of the low vortex system, there is moderate to heavy rain in northeast Australia, with localized heavy rain or heavy rain.
2) Persistent hot weather in central and western Australia.
In the next three days, there will still be hot weather in parts of western and east-central Australia, northern Central Africa, southern West Africa, central Bolivia, central Argentina, and southern Brazilian Altiplano, with maximum temperatures reaching 35 37, of which some parts of central Australia will exceed 42.
3. Specific domestic forecasts for the next three days
From 08:00 on January 31 to 08:00 on February 1, there was light to moderate snow or sleet in parts of eastern Jilin, Xinjiang Ili River Valley and Southern Xinjiang Basin, ** most, southern Qinghai, eastern Northwest China, western North China, Huanghuai and other places, among them, there was heavy snow in parts of central and northern Shaanxi, central and southern Shanxi, southwestern Hebei, southern Shandong, central and western Henan and northern Henan, and local blizzard (10 11 mm). There were moderate to heavy rains in parts of western Jianghuai, eastern Jianghan, northern and western Jiangnan, and southeastern southwest China, among which, heavy rain (50 60 mm) occurred in parts of southern Anhui, northeastern Hunan, and northern Jiangxi. The Bohai Sea, the Bohai Strait, and most of the Yellow Sea will have northeasterly to northerly winds of 6 7 and 8 gusts (see Figure 2).
Fig.2 National precipitation forecast map (08:00 on January 31 to 08:00 on February 1).
From 08:00 on February 1 to 08:00 on the 2nd, there was light snow or sleet in parts of northwest Inner Mongolia, southern Xinjiang, most of **, eastern Northwest China, southern and western North China, and western Huanghuai, among them, there was moderate to heavy snow (5 8 mm) in parts of southeastern China, southern Gansu, central and southern Shaanxi, southern and western Henan, northern Anhui, northern and western Hubei, and northwest Yunnan. There was light to moderate rain in most parts of Jianghuai, eastern Jianghan, Jiangnan, eastern southwest China, and most of southern China, among which, heavy rain (25-45 mm) occurred in parts of eastern Jiangxi, southern Zhejiang, and northern Fujian. Most of the Yellow Sea and the northern part of the East China Sea will have northeasterly to northerly winds of 6 7 and 8 gusts (see Figure 3).
Fig.3 National precipitation forecast map (08:00 on February 1 to 08:00 on February 2).
From 08:00 on February 2 to 08:00 on the 3rd, there was light to moderate snow or sleet in parts of western Inner Mongolia, southern Xinjiang basin and north, **east, most of Northwest China, central and western North China, most of Huanghuai, western Hubei, northeast Chongqing, northwest Yunnan and other places, among them, **southeast, northern Shaanxi, southern Shanxi, southern and western Henan, northern Anhui, northern Hubei, northwest Yunnan and other places have heavy to heavy snowfall, local heavy snowfall (20 23 mm). There was freezing rain in parts of eastern Guizhou, southeastern Chongqing, northwestern Hunan, central Hubei, northern Anhui, and southeastern Henan. There was light to moderate rain in most parts of Jianghuai, eastern Jianghan, most of Jiangnan, eastern southwest China, northern South China, Taiwan Island and other places, among which, there was heavy rain (25 40 mm) in parts of southwestern Anhui, eastern and southern Hubei, northern Hunan, northern Jiangxi, and central Chongqing. The northern part of the East China Sea and the Taiwan Strait will have northeasterly to northerly winds of 6 7 and 8 gusts (see Figure 4).
Fig.4 National precipitation forecast map (from 08:00 on February 2 to 08:00 on February 3).