1. Weather
1. Domestic reality
Significant snowfall occurred in parts of Qinghai, Tibet:From 08:00 yesterday to 06:00 today, moderate to heavy snowfall occurred in central and eastern parts of Tibet and southern Qinghai and local blizzards in the Shannan area of Tibet; moderate to heavy rainfall in southeastern Tibet and northwestern Yunnan; abundant or abundant rainfall in the southeastern island of Hainan, abundant rainfall (100-126 mm).
2. Live abroad
Strong local rainfall in Central Africa, Western Australia, Eastern Australia and other places：Over the past 24 hours, heavy to heavy rainfall has occurred in parts of eastern central Africa, eastern Bolivia in South America and southwestern Brazil, the Malay Peninsula, Sumatra and the southern Indian peninsula.
Second, the key weather forecast
1. National key weather
(1) There is still heavy rain and snow in the eastern part of the Qinghai-Tibet Plateau
From 25 to 26, due to the combined influence of the Bay of Bengal storm and the Southern Branch Depression, there will be heavy rain and snow in Eastern Tibet, Southeast Qinghai and West Sichuan Plateau, including Southeast Qinghai , northeastern Tibet, and the northern Sichuan plateau There is moderate to heavy snowfall or sleet, local heavy snow or heavy snowfall; there is moderate to heavy rainfall and heavy local rain in southeastern Tibet, northwestern Yunnan and other places.
In addition, in the next three days, most of the southwestern region, Jianghan and other places will be cloudy and rainy.
(2) Cold air will affect northern China and northeastern China
From 25 to 27, affected by cold air, there will be light rain or sleet in the central and southern parts of northern and northeastern China, and the temperature will drop 4 ~ 8 ℃ .4-5 winds and 6 -7 gusts.
2. Foreign key weather
(1)Heavy snow in the northwest and northeast of North America
Over the next three days there will be light to moderate snow or sleet in the western United States, western and southern Alaska, western Canada, Baffin Island, the coastal plains of Hudson Bay, the northern Labrador Peninsula and other locations, and heavy snowfall. locals . In addition, moderate to heavy rainfall and local heavy rainfall have occurred in the central and eastern United States, the northwestern part of the Indochinese Peninsula, the Malay Peninsula, Sumatra, and the tropical islands of Southeast Asia.
(2)Heavy rain in eastern Australia, persistent heat in the north
Over the next three days there will be moderate to heavy rainfall and local heavy rains in Eastern Australia and elsewhere. Additionally, parts of Northern Australia and North West Africa have high temperatures ranging from 35 to 37 ° C, and the local daily maximum temperature exceeds 40 ° C.
3. Specific forecast for the next three days
From 08:00 on 25 October to 08:00 on 26,There is light to moderate snowfall or snowfall in parts of northeastern Inner Mongolia, Xinjiang along the Tianshan Mountains and the Qinghai-Eastern Tibet Plateau, including severe snowstorms (10-18 in parts of Tibet northeastern, southern Qinghai and northern Tibet). Sichuan Plateau). mm). There is moderate to heavy rainfall in parts of Southeast Tibet, West Sichuan Plateau, West Yunnan, South Shaanxi, Hainan Island and other places, including heavy local rains (50-85mm) in Southeast Tibet and Northwest Yunnan . There are winds of magnitude 4 to 6 in parts of central and eastern Inner Mongolia, northern Tibet, and northern Hebei (see Figure 1).
Figure 1 National precipitation forecast map (25 October 08:00 – 26 08:00)
From 08:00 on 26 October to 08:00 on 27,There was light to moderate snowfall or sleet and local heavy snow in the Altay Mountains of Xinjiang and in areas along the Tianshan Mountains, Northern Tibet, Eastern and Southern Qinghai, and the Northern Sichuan Plateau. Most Northeast, Most Southwest, Southeast Northwest, West Huanghuai, Jianghan, Jianghuai, Northern Jiangnan, Hainan Island, The Taiwan island and other places have light to moderate rainfall. There are 4-6 winds in parts of central and eastern Inner Mongolia, Heilongjiang and other places (see Figure 2).
Figure 2 National precipitation forecast map (08:00 on 26 October – 08:00 on 27)
From 08:00 on 27 October to 08:00 on 28,Light to moderate snowfall has occurred in parts of northern Xinjiang and areas along the Tianshan Mountains, Eastern Tibet, Eastern Qinghai, and the Northern Sichuan Plateau, including heavy snowfall locally in Xinjiang’s Altai Mountains. Light to moderate rainfall has occurred in parts of western Inner Mongolia, eastern northwest China, western Huanghuai, Jianghan, northern and western Jiangnan, and most of southwestern China, with heavy rainfall locally (see Figure 3).
Figure 3 National precipitation forecast map (08:00 on 27 October – 08:00 on 28 October)
4. Influence and concern
1. Heavy rain and snowfall and adverse effects in Tibet, Qinghai, Sichuan, Yunnan and other places 25-26;
2. On the 25th, the negative effects of the strong offshore winds in the East China Sea and the South China Sea and the heavy rains on the island of Hainan;
3. On the 25th and 27th, cold air will affect northeastern China, northern China and other places, pay attention to the impact of precipitation, strong winds and cooling climate;
4. Pay attention to the changing trend of atmospheric diffusion conditions in northern China, Huanghuai and other places;
5. The development trend and impact of meteorological drought in Jiangnan and northern southern China;
6. Autumn forest meadows and meteorological services for the prevention of urban fires.
To do:Tao Yi signed for Xu Chengpeng, Zhou Ningfang and Liu Yang: Fang Chong
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责编：杨煜 ]
