Strong cold air affects most parts of North, Central and South my country, and the haze weather weakens and dissipates

　　China News Service, February 14 (Xinhua) According to the website of the Central Meteorological Observatory, strong cold air affected the northern region yesterday. Strong winds and cooling weather occurred in some areas, and blowing sand or floating dust appeared in western Inner Mongolia. In the next three days, strong cold air will continue to affect the middle and lower reaches of the Yangtze River and the areas north of it. Pay attention to the impact of strong winds, cooling and rainfall. Starting from the night of the 14th, there will be another heavy snowfall in northern Xinjiang. Pay attention to the impact of the superimposed effect of early snowfall on transportation, tourism, agriculture and animal husbandry, and prevent avalanches and other disasters.

Strong cold air affects most parts of my country

　　From the 14th to the 15th, affected by the strong cold air, the middle and lower reaches of the Yangtze River and its northern areas will experience northerly winds of magnitude 4 to 6 and gusts of magnitude 6 to 9 from north to south; the temperature generally drops by 4 to 8°C, and some areas The temperature in the area will drop by 10 to 12 degrees Celsius. There will be light to moderate rain and localized heavy rain in Jianghuai, Jianghan, northern and western Jiangnan, western South China, Sichuan Basin and Guizhou; there will be light to moderate snow or sleet and localized heavy rain in parts of central Inner Mongolia, Jilin, Shandong Peninsula and other places. There is heavy snow on the ground.

　　The Central Meteorological Observatory continued to issue blue warnings for strong winds at 06:00 on the 14th. It is expected that from 08:00 on February 14 to 08:00 on February 15, northwest Inner Mongolia, northern Xinjiang, eastern and southern Xinjiang basins, southern Tibet, northern and western Qinghai, Gansu Hexi, southern Liaoning, western Henan, eastern Hubei, northern Jiangsu, etc. There will be strong winds of magnitude 5 to 6 and gusts of magnitude 6 to 8 in some areas. Among them, some areas in the northern part of northern Xinjiang will have strong winds of magnitude 9 and gusts of magnitude 10; most of the Bohai Sea and most of the Yellow Sea will have strong winds of magnitude 7 and gusts of 8. strong winds (see Figure 1). From 08:00 on February 15 to 08:00 on February 16, there were levels 5 to 6 in some areas in central and northwestern Inner Mongolia, northern Xinjiang and the southern Xinjiang basin, southwestern Qinghai, Hexi in Gansu, central and southern Jiangsu, northern Jiangsu, and eastern Zhejiang. , strong winds with gusts of magnitude 6 to 7. Among them, parts of northern Xinjiang will have strong winds with magnitude 9 and gusts of magnitude 10; most of the Yellow Sea, the East China Sea, the Taiwan Strait, and the northeastern waters of the South China Sea will have strong winds with magnitude 7 to 8 and gusts of magnitude 9. strong winds (see Figure 2).

Figure 1 National strong wind forecast map (08:00 on February 14th - 08:00 on February 15th)

Figure 2 National strong wind forecast map (08:00 on February 15th - 08:00 on February 16th)

　　From the night of the 14th to the 17th, there will be a strong snowfall in northern Xinjiang. Some areas in Altay, Tacheng, Ili Valley and other places will have heavy snowfall, local heavy snowstorm or extremely heavy snowstorm.

　　In addition, from the 17th to the 21st, a cold wave will affect most parts of my country from west to east and from north to south. The temperature will drop by 6~10℃ successively, and the temperature will drop by about 16℃ in some areas; the land wind force will be 4~7, and the gust will be 7~9 level, with winds of level 6 to level 8 in the eastern sea area and gusts of level 9 to 10; there will be floating dust or blowing sand in western Inner Mongolia, western Gansu and other places; from the 19th to the 20th, rain will turn to sleet or snow in Huanghuai, Jianghuai, and Jianghan , there are moderate to heavy rains in some areas south of the middle and lower reaches of the Yangtze River; there are local freezing rains in Huanghuai, Hunan, Guizhou and other places.

Haze weather weakens and dissipates in central and southern North China

　　It is expected that from daytime to night on the 14th, there will be heavy fog in the northern and central waters of the Yellow Sea, the coastal waters of the Liaodong Peninsula, the coastal waters of the southeastern Shandong Peninsula, the northern waters of the Beibu Gulf, the Qiongzhou Strait, the eastern coastal waters of the Leizhou Peninsula and the coastal waters of western Guangdong, with poor visibility. Less than 1 km. In addition, on the morning of the 14th, there was heavy fog in parts of Tianjin, southeastern Hebei, and northern Guangxi. Among them, there was heavy fog with visibility less than 500 meters in southeastern Hebei. The Central Meteorological Observatory will continue to issue a yellow fog warning at 06:00 on February 14. Starting from daytime on the 14th, due to the influence of cold air, the atmospheric diffusion conditions in central and southern parts of North China and other places improved, and the haze weather weakened and dissipated.

Detailed forecast for the next three days

　　From 08:00 on February 14 to 08:00 on February 15, the northern and southern Xinjiang basins, southeastern Heilongjiang, eastern Jilin, eastern and southern Tibet, western and southern Qinghai, Gansu and Hexi, central and southern Shaanxi, southern Shanxi, and central Shandong There will be light to moderate snow or sleet in some areas in the eastern part of the country and the central and northern parts of the Western Sichuan Plateau. Among them, there will be moderate to heavy snow in some areas in northern Xinjiang, eastern and southern Tibet, and central and eastern Shandong. There will be moderate to heavy snow in some areas in eastern Tibet and other places. Blizzard (10~12mm). There are light to moderate rains in parts of most of the Huanghuai River, Jianghuai, Jianghan, western and northern Jiangnan, northwest and eastern Sichuan Basin, central and eastern Chongqing, central and eastern Guizhou, and northern Guangxi. Among them, southern Henan, central Anhui, and Hubei There will be heavy rain (25-40 mm) in some areas in the east and south, and northern Hunan. There will be winds of magnitude 4 to 6 in some areas of northwest Inner Mongolia, northern Xinjiang, western Henan, eastern Hubei, and eastern Hubei. Most of the Bohai Sea and most of the Yellow Sea will have strong winds of magnitude 7 and gusts of magnitude 8 (see Figure 3).

Figure 3 National precipitation forecast map (08:00 on February 14th - 08:00 on February 15th)

　　From 08:00 on February 15 to 08:00 on February 16, there was moderate to heavy snowfall in parts of northern Xinjiang, eastern and southern Tibet, and the Western Sichuan Plateau. There were heavy snowstorms in parts of northern and eastern Xinjiang, and local heavy snowstorms (30-40 mm). There are light rains in parts of the Jianghuai River, eastern Jianghan, most of the south of the Yangtze River, eastern parts of Southwest China, and most of Taiwan Island. Among them, there are moderate rains in parts of southern Anhui, northern Jiangxi, and central and northern Zhejiang. There will be level 5 to 6 winds in some areas in northwest and central Inner Mongolia, Xinjiang along the Tianshan Mountains, Hexi in Gansu, and northern Jiangxi. There will be level 7 to 8 winds and gusts of level 9 in most of the Yellow Sea, the East China Sea, the Taiwan Strait, and the northeastern waters of the South China Sea. strong winds (see Figure 4).

Figure 4 National precipitation forecast map (08:00 on February 15th - 08:00 on February 16th)

From 08:00 on February 16 to 08:00 on February 17,

there was moderate to heavy snow or sleet in parts of eastern northern Xinjiang, Tacheng, the Ili Valley and the mountainous areas of western southern Xinjiang. Among them, the Ili Valley of Xinjiang and the western mountainous areas of southern Xinjiang experienced moderate to heavy snow or sleet. There are blizzards in some areas, heavy blizzards in some areas, and extremely heavy blizzards (30-32 mm) in some places. There will be light rain in parts of southeastern Tibet, central Hunan, eastern Fujian, central, western and southeastern Yunnan, and most of Taiwan Island. Parts of central Jilin, eastern Xinjiang, Hexi, Gansu and other places have winds of magnitude 4 to 6. Among them, parts of northern northern Xinjiang have winds of magnitude 6 to 7. The southern part of the East China Sea, the Taiwan Strait and the northern part of the South China Sea will have winds of magnitude 7 to 8. Strong wind with gust level 9 (see Figure 5).

Figure 5 National precipitation forecast map (08:00 on February 16th - 08:00 on February 17th)