Poor atmospheric diffusion conditions in South Central North china!

North China South Central China atmosphere condition

zhongxinwang· 2017-03-19 18:04:32

in new network on 19 March, according to the Central Meteorological Observatory website news, during the day, heavy rain in some areas of southern Guangdong, southwestern Guangxi, Hainan, Baoting, Lingshui, at the junction of Sanya heavy rains, local heavy rain. Today night, North China, South China, Huang Huai and other places of the Western atmospheric diffusion conditions are poor, air pollution meteorological conditions of 3 to 4, north central local level of 5, is conducive to the accumulation of atmospheric pollutants. 20, the central North China air pollution diffusion conditions turn for the better. 21 to 24, the central and southern North China, the western region of Huang Huai atmospheric diffusion conditions are poor.

during the day, heavy rain in some areas of southern Guangdong, southwestern Guangxi, Hainan, Baoting, Lingshui, at the junction of Sanya heavy rains, local heavy rain (114 to 122 mm), the maximum hourly rainfall of 30 to 62 mm.

affected by low-level shear line, is expected to 19 to 20 at night, southern and Northern Southern China and other places have moderate to heavy rain, the local northeastern Guangxi, Eastern Hunan, northern Jiangxi and other places with heavy rain, accompanied by lightning and short and strong convection weather such as heavy rainfall in some areas above.

21 to 22, the southern region will once again a strong precipitation process.

in addition, 19 night, North Central South China, Huang Huai and other places of the air diffusion conditions are poor, air pollution meteorological conditions of 3 to 4, north central local level of 5, is conducive to the accumulation of atmospheric pollutants. 20, the central North China air pollution diffusion conditions turn for the better. 21 to 24, the central and southern North China, the western region of Huang Huai atmospheric diffusion conditions are poor.

19, 20 to 20, 20, 19 at night, North Central and southern, Western Huang Huai, Northeast China and other places in southern atmospheric diffusion conditions, air pollution meteorological conditions for 3 to 4 grade, 5 grade for the central part of North China area. 20 at noon, the central North China gradually improve the diffusion conditions. 19 am to 20 am, the Sichuan basin, southern Guizhou, Fujian and other places have heavy fog, local visibility less than 500 meters thick fog. Xinjiang basin in southern Xinjiang have sand or dust weather.

eastward cold vortex effect, is expected to 19 to 20 at night, Xinjiang Xinjiang Department has light snow or snow shower, among them, the Yili Valley, along the Tianshan Mountains and other places of local moderate to heavy snow.

19, 20 specific future forecast to 20, 20, in the northern part of Xinjiang, most of the southern and Eastern Tibet, central Inner Mongolia, Eastern Heilongjiang, Eastern Jilin and other places have snow or sleet, among them, the Xinjiang Yili Valley local moderate to heavy snow; Southwest, northwest of Hebei, Huang Huai the Midwest, Jianghan, JAC, Jiangnan, Southern China, a small to moderate rain, the southern part of the region in northern, Northeastern Guangxi and other places with heavy rain, local heavy rain. Inner Mongolia in the Middle East and other places with 4 ~ 6 winds (see Figure 1). The East China Sea will have 5 ~ 7, gust of wind, the wind of the level of 8, the East China Sea in the northeast part of the wind up to level 8, gust of wind level 9.

" figure 1 National precipitation forecast map (19, 20 -20, 20

20), 20 to 21, 20, in the northern part of Xinjiang in the East, Southeast of the Tibetan Plateau, central Inner Mongolia and other places have snow or sleet snow, local moderate to heavy snow; southeast northwest, southwest, Jianghan, South Western, Southern China have small to moderate rain, some areas in southern Guizhou, Northwestern Guangxi and other places with heavy rain. Inner Mongolia in the eastern and western parts of the northeast and the South and other places with 4 ~ 5 winds (see Figure 2). The most part of the Yellow Sea from 5 to 7, 8 gust of northerly winds, most of the East China Sea, South China Sea northeast will have 6 ~ 7, 8 gust of northeast or north wind, the wind sea east northeast can reach level 8, 9 gust.

" Figure 2 National precipitation forecast map (20, 20 -21, 20

21), 20 to 22, 20, northern Xinjiang, Eastern, central Inner Mongolia and other places have snow or sleet, the eastern region of Northwest China; Southwest region of Eastern Yunnan, Eastern Inner Mongolia, western North China, Hetao area, West Huang Huai, Jianghan, Southern China big department, JAC, southern, a small to moderate rain, which in some areas of South Central Hunan, North Central Jiangxi, Zhejiang Jiangxi, northern and Western Guangxi and other places with heavy rain, local heavy rain (50 ~ 80 mm), some of these areas and accompanied by heavy precipitation and other short-term convective weather (see Figure 3).

Figure 3 National precipitation forecast map (

, 21 - -22, 20 - 20)
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