China Weather Network News This day and tomorrow (January 20 to 21), there will be a wide range of rain and snow in the central and eastern regions, and there will be heavy snow in some parts of Shaanxi, Shanxi, Henan, Hubei and other places; Hunan, Guizhou, Hebei, Henan and other places will have foggy weather tonight tomorrow morning, and the local visibility will be less than 500 meters, so it is necessary to pay attention to prevention.
First, the national weather situation
Yesterday (January 19), there was light snow in southern Qinghai, central Tibet and western Beijing, and moderate to heavy snow and local blizzard (10 to 12 mm) in Ili Prefecture, Xinjiang.
This morning, there was heavy fog with visibility of less than 1 km in parts of central Hubei, central and eastern Hunan, central Jiangxi, northern Guangxi, and central Yunnan, with local visibility of less than 200 meters.
Second, the national weather forecast
There will be a widespread rain and snow process in the central and eastern regions. From the 20th to the 24th, there was small to moderate snow or sleet in many places in the north, and there was heavy snow in southern Shaanxi, southern Shanxi, Henan, northern Hubei, southeast Tibet and other places (the cumulative precipitation was 5 to 15 mm, the local area could reach about 20 mm, the new snow depth was 5 to 8 cm, and the local area was 10 to 15 cm); most of the southern region had small to moderate rain, and there was heavy rain and localized heavy rain in parts of eastern Guizhou, northeastern and southwestern Hunan, central Jiangxi, northern Guangxi, northern Fujian and other places ., Locally 50 to 80 mm).
There are foggy weather in Hunan, Guizhou, Hebei, Henan and other places. From the night of the 20th to the morning of the 21st, there was heavy fog in parts of eastern Hunan and eastern Guizhou, and the local visibility was less than 500 meters. From the night of the 21st to the morning of the 22nd, there was heavy fog in parts of southern Hebei, southern Henan, western Shanxi, Sichuan Basin and other places.
The specific forecast for today and tomorrow is as follows:
From noon to night on the 20th, there was light to moderate snow or sleet in parts of northern Xinjiang, eastern and southern Tibet, central Inner Mongolia, southeastern Gansu, eastern Ningxia, Shaanxi, Shanxi, Beijing, western Hebei, most of Henan, and northwestern Hubei, and heavy snow (5 to 8 mm) in parts of southeastern Shaanxi and western Henan; moderate rain in parts of Chongqing, southwestern Hubei and other places.
On the 21st, there was light to moderate snow or sleet in parts of northern Xinjiang, southern Tibet, southern Qinghai, central and eastern Inner Mongolia, western Liaoning, Beijing, Tianjin, Hebei, most of Shaanxi, Shanxi, most of Henan, shanxi, and northwest hubei, and heavy snow (5 to 8 mm) in parts of southern Shanxi, central and western Henan, and northern Hubei; heavy rain in parts of eastern Guizhou and northern Guangxi.
Third, the weather forecast in Beijing area
It is expected that during the day on the 20th, most of Beijing will turn cloudy with light snow, and there will be sporadic snow or light snow in the mountainous areas at night; from the 21st to the 22nd, there will still be a city-wide light snow weather process in the Beijing area. During this period, visibility is poor, the temperature is low, the maximum temperature during the day is -2 ~ -1 °C, and the minimum temperature at night is -5 ~ -4 °C.
Schedule Beijing Weather Forecast (January 20, noon to 21 January)
4. Forecast of high winds at sea
From the afternoon of the 20th to the night, the southern part of the East China Sea, the Taiwan Strait, the ocean east of Taiwan, the Bashi Strait, the north and southwest of the South China Sea and other seas will have east-to-northeast winds of 6 to 7 and 8 gusts, of which the wind in the Taiwan Strait can reach 8 and the gust is 9.
From day to night on the 21st, there will be east-to-northeast winds of magnitude 6 to 7 and 8 gusts in the southwest of the East China Sea, the Taiwan Strait, the ocean east of Taiwan, the Bashi Strait, the north and southwest of the South China Sea, of which the wind in the Taiwan Strait can reach level 8 and the gust is 9.
Fifth, the national road traffic impact forecast
It is estimated that from noon on the 20th to noon on the 21st, some roads in northern Xinjiang, eastern and southern Tibet, central Inner Mongolia, eastern Gansu, eastern Ningxia, Shaanxi, southwestern Beijing, Shanxi, most of Henan, and northwestern Hubei will be affected by light to moderate snow or sleet, of which local sections of northern Xinjiang, southern Shaanxi, and western Henan will be affected by heavy snow; some roads in the southern region will be affected by light to moderate rain, of which local sections in southwest Chongqing will be affected by heavy rain; eastern and southwestern Hunan, southwestern Chongqing, Some roads in eastern Guizhou and other places have low visibility due to fog.
Sixth, the national railway traffic meteorological impact forecast
It is estimated that from noon on the 20th to noon on the 21st, the operation and maintenance of railway lines such as Beijing-Baotou West Railway Station on the Beijing-Baotou Line, Urumqi-Alashankou on the Lanxin Line, Naqu-Lhasa on the Qinghai-Tibet Line, Kaifeng-Tianshui on the Longhai Line, Baoji-Luoyang on the Baocheng Line, Jiaozuo-Nanyang on the Jiaoliu Line, and Beijing West-Zhengzhou on the Beijing-Guangzhou Line are at higher risk of being affected by low temperature freezing and snow.
7. National airport meteorological impact forecast
It is estimated that from noon on the 20th to noon on the 21st, most of the national airports will be airworthy; the low-altitude airspace in Ningxia, Shaanxi, eastern Yunnan, Guizhou, Hunan, Jiangxi, Fujian and other places will have light to moderate turbulence; and the low-altitude airspace in northern Xinjiang, central Inner Mongolia, Shaanxi, Shanxi, Hebei, Beijing, central and western Henan, Hubei and other places will have ice accumulation conditions (see Annex 2). From the night of the 20th to the noon of the 21st, there was light to moderate snow at urumqi, Hohhot, Taiyuan, Zhengzhou, Shijiazhuang and other airports.
8. Forecast of meteorological impact of the Yangtze River trunk waterway
On the afternoon of the 20th, some sections of the Yangtze River trunk line in Sichuan, Chongqing, Hubei and Hunan were affected by fog and had low visibility; some sections in Jiangxi and Anhui had about 6 gusts. Low visibility affects the segments: Yibin-Luzhou, Luzhou-Chongqing, Chongqing-Three Gorges, Yichang-Yueyang, Yueyang-Wuhan, Wuhan-Huangshi;
On the night of the 20th, some sections of the Yangtze River trunk line in Sichuan, Chongqing, Hubei, Hunan, Jiangxi and Anhui were affected by rain and fog, and the visibility was low. Low visibility affects the segments: Yibin-Luzhou, Luzhou-Chongqing, Chongqing-Three Gorges, Three Gorges-Yichang, Yichang-Yueyang, Yueyang-Wuhan, Wuhan-Jiujiang, Jiujiang-Wuhu.
9. Concerns and Suggestions
In the next two days, there will be more snowfall in the north, and some parts of Shaanxi, Shanxi, Henan, Hubei and other places will have strong snowfall, and it is necessary to guard against the adverse effects of rain and snow and road snow ice and low visibility on traffic; Guizhou, Hunan, Hubei, Guangxi and other places need to guard against the adverse effects of rainy weather. In addition, the southern part of the East China Sea, the South China Sea and other seas need to guard against the adverse impact of high winds at sea on shipping.