Home » Cold wave will affect fog and haze in Huanghuai, Jianghuai and other places in central and eastern my country

Cold wave will affect fog and haze in Huanghuai, Jianghuai and other places in central and eastern my country

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China News Service, December 23. According to the website of the Central Meteorological Observatory, affected by the cold wave, it is expected that from December 23 to 26, there will be winds of 4 to 5 and gusts of 6 to 8 in the central and eastern regions of my country from north to south. The temperature dropped by 6 to 10°C in most areas. From the night of the 22nd to the morning of the 23rd, there were heavy foggy weather in parts of southern Hebei, central and southern Shandong, northern Anhui, Jiangsu, Shanghai, northern Zhejiang, southern Hubei, and northwestern Jiangxi.

  Rainfall is scarce in most of the country

During the day today, most of the country has sparse precipitation, and light to moderate haze appears in parts of Henan, Shandong, Jiangsu, Anhui and other places.

  The cold wave will affect the central and eastern regions of our country

Affected by the cold wave, it is expected that from December 23 to 26, winds of magnitude 4 to 5 and gusts of magnitude 6 to 8 will occur in the central and eastern regions of my country from north to south. The temperature in most areas will drop by 6 to 10°C. In the west, north and west of North China, east of Huanghuai, east of Jianghuai, east of Jiangnan, east of Guizhou, west of Hunan and other places, the temperature dropped by 12~14℃, and the local temperature was above 14℃ (see Figure 1); around the 28th, the lowest was 0 The ℃ line will be located from southern Jiangnan to southern Guizhou (see Figure 2). In addition, the eastern and southern waters of my country will have winds of magnitude 7 to 8, and gusts of magnitude 9 to 10.

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It is estimated that from December 23 to 24, there will be winds of magnitude 4 to 5 and gusts of magnitude 6 to 8 in most areas north of the Huaihe River; temperatures in central and western Inner Mongolia, northern China, southern Northeast China, and eastern Huanghuai will drop by 6-10 ℃, among which, some areas in central Inner Mongolia dropped by more than 12℃. For this reason, the Central Meteorological Observatory issued a blue cold wave warning at 18:00 on December 22.

Figure 1 National Gale Cooling Forecast Map (08:27, December 23, 08:00, 27th)

Figure 2 National minimum temperature forecast map (08:28, December 23, 08:00, 28th)

Figure 2 National minimum temperature forecast map (08:28, December 23, 08:00, 28th)

  Fog and haze weather in Huanghuai, Jianghuai and other places

From the night of the 22nd to the morning of the 23rd, there were heavy foggy weather in parts of southern Hebei, central and southern Shandong, northern Anhui, Jiangsu, Shanghai, northern Zhejiang, southern Hubei, and northwestern Jiangxi. Among them, central and southern Shandong, most of Jiangsu, and Anhui There is dense fog in the north and other places, and there is strong dense fog with visibility less than 200 meters in the local area (see Figure 3). The Central Meteorological Observatory issued a heavy fog forecast at 18:00 on December 22.

In addition, from the night of the 22nd to the morning of the 23rd, there was light to moderate haze in Huanghuai and eastern Jianghuai. From the afternoon of the 23rd, affected by the cold air, the haze weather in the above areas gradually weakened and dissipated from north to south.

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Figure 3 National fog forecast map (December 22, 20:23-23, 14:00)

Figure 3 National fog forecast map (December 22, 20:23-23, 14:00)

  Specific forecast for the next three days

From 20:00 on December 22 to 20:00 on 23rd, there was light snow or sleet in parts of southeastern Inner Mongolia, southeastern Tibet, southeastern Gansu, southern Ningxia, central and northern Shaanxi, central and southern Shanxi, northeastern Hebei, and southern Hebei. . There was light to moderate rain in parts of the western and southern parts of Southwest China, southern China, Taiwan Island and other places. Among them, heavy rain (25-27 mm) occurred in parts of central and western Yunnan (see Figure 4).

Figure 4 National precipitation forecast map (December 22, 20:23-23, 20:00)

Figure 4 National precipitation forecast map (December 22, 20:23-23, 20:00)

From 20: 00 on December 23 to 20: 00 on 24 December, there was light to moderate snow or sleet in parts of eastern Jilin, northern and western Tibet, central and southern North China, most of Huanghuai, and northern Southwestern China. Among them, southern Hebei There is heavy snow (5-8mm) in some areas in the central and eastern parts of Shandong and other places. There was light to moderate rain in parts of eastern Jianghuai, most of Jianghan, northern and western Jiangnan, most of southwestern China, and Hainan Island. Among them, there was heavy rain (25-40 mm) in parts of Hainan Island and other places. There are 4 to 5 winds in the Hetao area of ​​Inner Mongolia and parts of the Northeast, Liaodong Peninsula, most of North China, Huanghuai and Jianghuai (see Figure 5).

Figure 5 National precipitation forecast map (December 23, 20:24-24, 20:00)

Figure 5 National precipitation forecast map (December 23, 20:24-24, 20:00)

From 20:00 on December 24 to 20:00 on December 25, there was light to moderate snow or sleet in parts of northwestern Inner Mongolia, central and southern Tibet, southwestern Qinghai, southeastern Northwest China, central Shanxi, and western Jianghan. Among them, There is heavy snow (5-7 mm) in parts of southern Shaanxi and other places. There were light to moderate rains in parts of eastern Jianghan, most of Jiangnan, eastern and southern parts of southwestern China, and Hainan Island. Among them, there were heavy rains (25 to 45 mm) in parts of southern Hunan, southeastern Guizhou, and Hainan Island. Most of the central and eastern regions have winds of force 4 to 5 (see Figure 6).

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Figure 6 National precipitation forecast map (December 24, 20:25-25, 20:00)

Figure 6 National precipitation forecast map (December 24, 20:25-25, 20:00)

  Influence and concern

23-26 cold wave weather in the central and eastern regions, pay attention to the adverse effects of strong winds, rain, snow, and freezing weather on transportation, facility agriculture, urban operations, etc.;

From the night of the 23rd to the 27th, the adverse effects of strong winds in the eastern and southern sea areas;

Before the arrival of cold air, heavy foggy weather in southern Hebei, Shandong, Jiangsu, Shanghai, Anhui and other places adversely affected traffic.

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责编:张璋 ]

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