1. Weather conditions
1real home situation
Yesterday, there were strong winds in North China, Jiangnan and South China, and the temperature dropped in Guangdong, Guangxi, Hainan and other places
From 08:00 yesterday to 06:00 today, light to moderate snow fell in parts of northern Xinjiang; local light to moderate rainfall and heavy rainfall fell in western Yunnan, eastern Sichuan and other places; in eastern Qinghai, central and eastern Inner Mongolia, Shanxi, western Hebei, central Henan, gusts of magnitude 6 to 8 appeared in parts of Anhui, eastern Zhejiang, southern Fujian, eastern Guangxi, Guangdong and northern Hainan, with magnitude local 9 to 10. At 05:00 today compared with 05:00 yesterday, the temperature in northwest China, Huanghuai, Jianghuai, Jianghan and western Jiangnan has risen, and in parts of western Hebei, northeastern Shanxi, of eastern Liaoning, central and northern Guangdong, central and southern Guangxi and northern Hainan Island. Cooling of 4 ~ 8 ℃ occurs.
2Abroad
(1)South America, Africa, central and southern Southeast Asia tropical islands and other places have heavy rainfall
Local areas such as central and southern Africa, the Brazilian plateau, the Malay peninsula, and tropical islands of Southeast Asia saw heavy to heavy rainfall last week; Eastern Europe, southern Western Siberia, and the northeastern and northwestern United States experienced heavy rain and snowfall.
(2)Continued high temperatures in Argentina into central and northern Australia
Over the past week, sustained high temperatures above 37°C occurred in central and northern Australia, northern Argentina and Paraguay, with local maximum temperatures above 40°C.
2. Main weather forecasts
1home key time
(1)Sustained low temperature in Jiangnan and southern China
Affected by cold air, from 08:00 on December 19 to 08:00 on December 21, the daily low temperature is expected in central, eastern and southern parts of Jiangnan, large parts of southern China, eastern Sichuan, western and Chongqing will be more than 5°C lower than the same historical period. Among them, the daily minimum temperature in eastern Jiangnan, central and eastern south China is more than 7°C lower than that of the same historical period, and the minimum temperatures of 0°C will be located in southern Guizhou, northeastern Guangxi, northern Guangdong and central Fujian (see Figures 1 and 2). Central Meteorological Observatory12moon1 9Day06Keep giving the blue low temperature warning。
From 20 to 22, affected by the cold air, North China, the central and southern parts of northeast China, Huanghuai, Jianghuai and northern Jiangnan will experience a temperature drop of 4-8°C, accompanied by northerly winds of magnitude 4-6; There will be moderate to heavy snowfall and local blizzards in Shandong Peninsula and other places.
image1 National Minimum Temperature Anomaly Forecast Map (12moon19Day08Time-21Day08Time)
image 2National Minimum Temperature Forecast Map (12moon19Day08Time-21Day08Time)
(2)There will be strong winds of magnitude 6 to 8 in the eastern and southern seas of my country
From day to night of the 19th, affected by cold air, strong winds of magnitude 6-8 and gusts of magnitude 9 will occur in the Taiwan Strait, in the ocean east of Taiwan, in the Bashi Strait and over most of the Sea Southern Chinese Level, 10~11 bursts. Central Meteorological Observatory Dec 19 06It continues to issue sea storm forecasts。
2foreign key time
(1) Heavy snowfall in western Siberia and central North America
In the next three days, there will be light to moderate snow or sleet in Northern Europe, large parts of Eastern Europe, Southern Canada, Northern United States, Western Siberia, Midwest Far East and local heavy snow; Central and southeastern Brazil, Bolivia and other places There are heavy rains.
(2)High temperatures continue in central and northern Australia
Over the next three days, temperatures will be high across central and northern Australia, with a daily maximum temperature of 35-39°C and a local temperature of around 42°C.
3. Specific forecast for the next three days
12moon19 Day08time to20 Day08Now,There was light snow or sleet in parts of southeastern Tibet, eastern Xinjiang, northeastern Inner Mongolia, western Gansu, southern Shaanxi, and northwestern Henan. There was light rain in parts of southeastern Tibet, western and northeastern Yunnan, eastern Sichuan, northern Chongqing, southern Shaanxi, western Hubei and eastern Hainan Island. There are 4 to 5 winds in parts of western Gansu, eastern Qinghai, and central and western Inner Mongolia (see Figure 3). There will be strong winds of magnitude 6-8 and gusts of magnitude 9 in the Taiwan Strait, ocean east of Taiwan, Bashi Strait and most of the South China Sea, including some sea areas in the southwest The South China Sea can reach magnitude 9 winds and magnitude 10-11 gusts.
image3 National Precipitation Forecast Map (12moon19Day08Time–20Day08Time)
12moon20Day 08time to21 Day08Now,There is light to moderate snowfall in central and eastern Inner Mongolia and central and southern parts of northeast China, including local heavy snowfall (5-9mm) in eastern Liaoning, central Jilin and southeastern parts. oriental. There is sleet in parts of northern and southern Anhui and the eastern peninsula of Shandong. There was light rain in parts of central and northeastern Yunnan, southern Sichuan, Chongqing, northern Hunan, central and western Hubei, southern Henan, northeastern Zhejiang, and central and eastern Hainan. There are 4-6 winds in parts of northeastern northwest China, central and northern northern China, and central Inner Mongolia (see Figure 4). Bohai Sea, Bohai Strait, most of Yellow Sea, most of East China Sea, Taiwan Strait, ocean east of Taiwan, Bashi Channel, most of South China Sea and Beibu Gulf will experience strong winds of magnitude 6-7 and gusts of magnitude 8-9.
image4 National Precipitation Forecast Map (12moon20Day08Time-21Day08Time)
12moon21 Day08time to2 2Day08Now,Northwestern Xinjiang, northern Shandong Peninsula, and most of northeastern China experienced light to moderate snowfall, including parts of central and eastern Heilongjiang, northeastern Jilin, and northeastern Shandong Peninsula experienced heavy snowfall. There was light rain in parts of southeastern Tibet, southern Sichuan, central Yunnan and northeastern Yunnan. There are 5-6 winds in parts of northern northern China, most of northeast China and the Shandong Peninsula (see Figure 5).
image5 National Precipitation Forecast Map (12moon21Day08Time-22Day08Time)
4. Influence and attention
1. Pay attention to the adverse effects of the low temperature in the southern region and the cold air process in the 20-22nd day on energy supply, epidemic prevention and control and facility agriculture;
2. Since the 20th, snowfall in northeast China has increased, and attention should be paid to the negative impact on transportation and energy supply;
3. Pay attention to the adverse effects of strong winds in my country’s southern waters on ship navigation and operating platforms;
4. Meteorological services for the prevention of forest, grassland and urban and rural fires;
5. Yellow River Flood Weather Service.
To do:Yang Yin Zhang Yongheng Released by:Zhang Tao
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责编：杨煜 ]
