China Weather Network News Yesterday (08:00 on January 28 to 08:00 on January 29), light rain occurred in central and southern Yunnan, southern Guizhou, southern Hunan, central Jiangxi, Guangxi, Guangdong and other places. Honghe in Yunnan, Guilin and Liuzhou in Guangxi and other places to heavy rain; freezing rain or sleet (1 to 3 mm) occurred locally in western Guizhou; light to moderate snow occurred in western Heilongjiang.

National weather forecast

  It is expected that from January 29 to 30, there will be light to moderate rain and local heavy rain in central and southern Jiangnan and northern South China; there will be light to moderate snow and local heavy snow or blizzard in western Xinjiang and central and southern Northeast China. From the 29th to the 30th, there was light to moderate haze in the central and southern parts of North China and the central and western parts of the Huanghuai River, with severe local haze. From the night of the 30th to the morning of the 31st, there was heavy fog in parts of southern Hebei, eastern Shandong and the peninsula, eastern Henan, central and northern Jiangsu, and northern Anhui. In some areas, there was strong dense fog with visibility less than 200 meters (see Figure 1) .

  From January 31st to February 5th, a large-scale freezing rain, snow, and freezing weather process will occur in the central and eastern regions. There will be moderate to heavy snowfall in the eastern part of Northwest China, North China, Huanghuai, Jianghan, western and northern Jianghuai, and northern Hunan. Eastern and southern Shaanxi, central and southern Shanxi, central and southern Hebei, Henan, Shandong, central and western Hubei, northwestern Hunan and other places will have moderate to heavy snowfall. There are heavy snowfalls, local heavy snowstorms or extremely heavy snowstorms in some areas in eastern Liaoning and eastern Jilin; there are moderate to heavy rains in most areas in the middle and lower reaches of the Yangtze River and south, and heavy rains in some areas. From the night of the 1st to the 4th, there was freezing rain in southern Henan, Hubei, central and northern Anhui, northern Jiangsu, southern Shandong, central and northern Hunan, and eastern Guizhou.

  The specific precipitation forecast for the next two days is as follows:

  From the afternoon to the night of the 29th, there was light to moderate snow or sleet and localized heavy snow in parts of the Ili Valley of Xinjiang, the western mountainous areas of Southern Xinjiang, and eastern Tibet; there was light to moderate rain in parts of Jiangnan, South China, and southern Yunnan. , local heavy rains occurred in northeastern Guangxi, eastern Jiangxi and other places (see Figure 2).

  On the 30th, there was light snow or sleet in parts of southeastern Inner Mongolia, central and southern Northeast China, the Ili Valley in Xinjiang, and the western mountainous areas of Southern Xinjiang, northern and eastern Tibet, and central and southern Qinghai. Central Jilin, northern Liaoning, and the Ili Valley in Xinjiang, etc. There will be moderate to heavy snow and local heavy snow (10-11 mm) in some areas; there will be light to moderate rain in some areas in Jianghan, Jianghuai, Jiangnan, central and northern South China, central and eastern Chongqing, and central and eastern Guizhou, and local heavy rain in eastern Hunan. (See Figure 3).

Figure 1 National fog forecast map (14:00 on January 30 - 14:00 on January 31)

Figure 2 National precipitation forecast map (14:00 on January 29 - 08:00 on January 30)

Figure 3 National precipitation forecast map (08:00 on January 30 - 08:00 on January 31)

Beijing area weather forecast

  It is expected that the weather in Beijing will be mainly sunny during the day on the 29th, with wind force level 2 or 3, and a maximum temperature of 4°C; at night, the weather will turn from sunny to cloudy, with wind force level 1 or 2, and a minimum temperature of -5°C. The cloudy sky turned sunny on the 30th, with light snow or scattered light snow in the western and northern parts from morning to noon. The maximum temperature during the day was 3℃ and the minimum temperature at night was -5℃. Atmospheric diffusion conditions and visibility deteriorated on the 30th, with the lowest visibility at night being 3 to 6 kilometers, and 1 to 3 kilometers in the south.

Maritime weather forecast

  It is expected that there will be easterly winds of magnitude 6 to 7 and gusts of magnitude 8 in the Bashi Strait and the northeastern and southeastern waters of the South China Sea from the afternoon of the 29th to the day of the 30th. There will be rotating winds of magnitude 5 to 6 and gusts of magnitude 7 in the southern waters of the East China Sea. There will be northeasterly or easterly winds with level 5 to 6 and gust level 7 in the Taiwan Strait, the northwest and southwestern waters of the South China Sea, and there will be light fog in the waters near Beibu Gulf, Qiongzhou Strait, Yangtze River Estuary and Hangzhou Bay, with visibility less than 10 kilometers; 30 During the day and night, there will be northeasterly winds of magnitude 6 to 7 and gusts of magnitude 8 in the Bohai Sea. There will be easterly winds of magnitude 5 to 7 and gusts of magnitude 8 in the Bashi Strait and the northeastern and southern waters of the South China Sea. The western waters of the Yellow Sea, the western waters of the East China Sea, and Shandong There will be light fog in the coastal waters of the Peninsula, the coastal waters of eastern Jiangsu, the Yangtze River Estuary and the waters near Hangzhou Bay, the coastal waters of Zhejiang, Beibu Gulf, Qiongzhou Strait, and the northwest waters of the South China Sea, with visibility less than 10 kilometers.

National Highway Traffic Impact Forecast

  It is expected that from 14:00 on the 29th to 14:00 on the 30th, some roads in the Ili Valley of Xinjiang, the western mountainous areas of southern Xinjiang, northern and eastern Tibet and other places will be affected by light to moderate snow or sleet; most of Jiangnan, southeastern Guizhou, southern China and other places Some roads were affected by light to moderate rain. Among them, some roads in eastern Jiangxi and northeastern Guangxi were affected by heavy rain. In addition, some roads in southern Hebei, southwestern Henan, northwestern Hubei, central Zhejiang, southern Fujian, central and southern Hunan, southeastern Sichuan, southeastern Guizhou, central Guangxi and other places are affected by fog and have low visibility (see Figure 4, Attachment 1) .

Figure 4 National highway weather forecast map (14:00 on January 29 - 14:00 on January 30)

National railway traffic meteorological impact forecast

  From noon on the 29th to noon on the 30th, affected by snowfall and low temperature weather, the Qinghai-Tibet Line Yangbajing-Tanggula, Qianfu Line Honghe-Fuyuan and other railway lines must pay attention to prevent the adverse effects of low temperature freezing on railway operations; Lanzhou-Xinjiang Line There is moderate haze on Kuitun-Urumqi, Gongmiaozi-Baotou on the Baolan-Lanzhou Line, Baotou East-Salaqi on the Beijing-Baotou Line, Nangongdong-Yanggu on the Beijing-Kowloon Line, Nanshahe-Qianting on the Beijing-Shanghai Line, so please take precautions. The adverse effects of low visibility on railway operations; the second-line Chagantege-Niaolanhua and other railway lines must pay attention to the adverse effects of windy weather on railway operations.

National air traffic meteorological impact forecast

  From noon on the 29th to noon on the 30th, there were light to moderate turbulence in the medium and low-altitude airspace of central Inner Mongolia, northern Hebei, Liaoning, Jilin, Heilongjiang, Guangxi, Guizhou, Hunan, Jiangxi, Zhejiang, Shanghai, Fujian and other places; eastern Gansu, Shaanxi There are icing conditions in the low-altitude airspace of southern Shanxi, Henan, Beijing, Tianjin, central and northern Hebei and other places (see Appendix 2).

  Most airports across the country will be airworthy from noon on the 29th to noon on the 30th; from early morning to morning on the 30th, there will be frost at Harbin, Changchun, Shenyang, Dalian, Capital, Daxing, Tianjin, Shijiazhuang, Jinan, Qingdao, Zhengzhou, Xi'an and other airports; In addition, from the night of the 29th to the morning of the 30th, there were scattered convection along the shipping routes in Guangxi, central and southern Hunan, and Jiangxi.

Meteorological impact forecast on the Yangtze River trunk channel

  During the day on the 29th, some sections of the Yangtze River trunk line in Sichuan, Chongqing, Hubei, and Jiangsu were affected by fog and haze, resulting in low visibility. There are gusts above level 5 in some sections of Jiangsu. Low visibility affects the flight segments: Yibin-Chongqing, Yichang-Jingzhou, Nanjing-Taicang; strong wind affects the flight segments: Nanjing-Taicang.

  On the night of the 29th, parts of the Yangtze River trunk line in Sichuan and Chongqing and most sections of Hubei, Hunan, Jiangxi, Anhui, and Jiangsu were affected by fog and haze, resulting in low visibility. There are gusts above level 5 in some sections of Jiangsu. Low visibility affects the flight segments: Yibin-Chongqing, Yichang-Yueyang, Yueyang-Wuhan, Wuhan-Jiujiang, Jiujiang-Nanjing, Nanjing-Taicang; strong wind affects the flight segments: Changzhou-Taicang.

Attention and suggestions

  There will be heavy rainfall in the southern region in the next two days, and heavy snowfall in Jilin, Liaoning and other places on the 30th. It is recommended to do a good job in traffic safety management to prevent the adverse effects of slippery and icy roads. In addition, attention should be paid to the adverse impact of heavy fog weather on traffic in Shandong, Henan, Jiangsu, Anhui and other places and coastal waters.

  From the 31st to the 5th, a large-scale continuous rain, snow, and freezing weather process will occur in the central and eastern regions. The impact will be wide and last for a long time. There will be freezing rain in many places. The precipitation in some areas will be extreme. Pay attention to prevent damage to roads, railways, and aviation. and related power and communication facilities.

  attachment1:

Meteorological impact forecast on major highway sections

(14:00 on January 29th - 14:00 on January 30th)

  The main road sections affected by light to moderate snow or sleet are:

  National Highway 109 Qinghai Tanggula Pass-Tibet Amdo-Lhasa Section

  218 National Highway Xinjiang Yining-Yergen Section

  219 National Highway Xinjiang Keya-Dahongliutan Section

  312 National Highway Xinjiang Huocheng-Yining Section

  National Highway 314, Xinjiang Bulunkou-Kunjerab Port Section

  317 National Highway Tibet Suoxian-Nakqu Section

  318 National Highway Tibet Bomi-Nymu section, Tibet Tingri section, Tibet Nyalam section

  The main road sections affected by heavy rain are:

  G65 Baomao Expressway Guangxi Yangshuo-Zhongshan Section

  G78 Shantou-Kunming Expressway Guangxi Hezhou-Pingle Section

  206 National Highway Jiangxi Nanfeng-Shicheng Section

  Section 207 National Highway Hunan Jianghua-Hunan-Guangxi Provincial Border-Guangxi Hezhou Section

  National Highway 319 Jiangxi Duifang-Yinkeng Section

  National Highway 321 Guangxi Mengshan-Yangshuo Section

  National Highway 323 Guangxi Hezhou-Lipu Section

  The main road sections affected by fog are:

  The section of G4 Beijing-Hong Kong-Macao Expressway in Hengshan, Hunan and the section in Chenzhou, Hunan

  G1811 Huangshi Expressway Hebei Shenzhou-Gaocheng Section

  G20 Qingyin Expressway Hebei Ningjin-Zhaoxian Section

  G25 Changshen Expressway section in Jinhua, Zhejiang

  G60 Shanghai-Kunming Expressway Jinhua-Quzhou section in Zhejiang and section in Loudi, Hunan

  G72 Quannan Expressway Guangxi Yongning-Nanning Section

  G7211 Nanning Expressway Section in Nanning

  G76 Xia-Rong Expressway Sichuan Luzhou-Longchang Section

  G80 Guangkun Expressway Section in Nanning

  Section of Longyou Expressway in Longyou, Zhejiang Province

  The section of National Highway 107 in Hengshan, Hunan and the section in Chenzhou, Hunan

  Section 205 National Highway in Shanghang, Fujian

  The section of National Highway 207 in Dengzhou, Henan and the section in Lianyuan, Hunan

  The section of National Highway 209 within the boundary of Henan and Hubei provinces

  Section of National Highway 307 in Shenzhou, Hebei Province

  National Highway 308 Hebei Xinhe-Zhaoxian Section

  National Highway 320 Zhejiang Longyou-Quzhou section, Hunan Xiangxiang-Shuangfeng section

  National Highway 321 Guizhou Sandu-Danzhai section, Sichuan Naxi section

  National Highway 322 Nanning-Nanning Section

  Section of National Highway 324 in Nanning

  Section of National Highway 325 in Nanning

  Attachment 2: