China News Network, March 25th. According to the website of the Central Meteorological Observatory, the Central Meteorological Observatory issued the latest weather bulletin on the morning of the 25th, stating that strong cold air will affect most of China and large areas of precipitation will occur in the central and eastern regions.

Heavy rain or heavy rain in Henan, Hubei, Chongqing, Fujian, Guangdong and other places

Yesterday, heavy rain or heavy rain occurred in parts of central Henan, western Hubei, north-central Chongqing, central and southern Jiangxi, western Fujian, northern Guangdong, eastern Guangxi, and southeastern Yunnan, and heavy rain in the local area of ​​Wuzhou, Guangxi (107 mm); In some areas, the maximum hourly rainfall is 30 to 45 mm.

Key weather forecast

Stronger cold air will affect most of our country

Affected by the strong cold air, from the 25th to the 28th, most parts of the central and eastern regions will have 4 to 6 winds and 7 to 9 gusts from north to south; the temperature will fall by 6 to 10 ° C, and the temperature drop in some areas can reach 12 Above ℃. On the morning of the 28th, the minimum temperature in central and northern Hebei, most of Beijing, and most of Shanxi will drop to 0 ° C or below; on the 29th, the lowest temperature in Huanghuai, Jianghuai, Jianghan, and most of Jiangnan will be 4-9 ° C.

From 08:00 on the 25th to 08:00 on the 27th, there were 4 to 6 winds and gusts 7 to 6 in eastern Xinjiang and southern Xinjiang basin, eastern northwestern China, northern China, most of the northeastern region, Huanghuai, Jianghuai, Jianghan, and northern Jiangnan. Level 9, the daily average or minimum temperature in most of the above areas dropped by 6-10 ° C, and the temperature in some parts of central and eastern Inner Mongolia, northwestern Shanxi, northern Hebei, and eastern Jilin dropped to more than 12 ° C; the southern Xinjiang basin, western Inner Mongolia, In the northwestern part of Gansu, Ningxia and other places have sand or dust, and there are local sandstorms. The Central Meteorological Observatory continued to issue cold blue warnings at 06:00 on March 25th.

Figure 1 National wind forecast for strong winds (08-25 March 08 08) Image source: Central Meteorological Station

Large-scale precipitation will occur in the central and eastern regions

From 25 to 27, there will be a significant precipitation process in most of the central and eastern regions. Among them, some areas in the southwest, the eastern part of Huanghuai, Jianghuai, Jianghan, Jiangnan, and most of southern China have moderate to heavy rain, local heavy rain or heavy rain, and strong convective weather such as thunderstorms or hail.

Among them, hail or a magnitude 8 to 10 thunderstorm and gale weather occurred in parts of northern and central Guangxi, northeastern Guizhou, southeastern Hubei, northeastern Hunan, and northwestern Jiangxi, from 08:00 to 08:00 on March 26; Guangxi, Northeast Guizhou, eastern Chongqing, eastern and southern Hubei, central and northern Hunan, northwestern Jiangxi, southern Anhui and other places have short-term heavy rainfall weather, with an estimated hourly rainfall of 20 to 40 millimeters, and the local area can reach 50 millimeters. The main occurrence period of strong convection is daytime to midnight on the 25th. The Central Meteorological Observatory continued to issue blue warnings of strong convective weather at 06:00 on March 25th.

Specific forecast for the next three days

There were light to moderate snow or sleet in parts of Xinjiang along the Tianshan region, northern and eastern Tibet, central and western Qinghai, central and eastern Inner Mongolia, northern Hebei, and northern northeastern regions from 08:00 to 08:00 on March 25th. Heavy local snow (5-8 mm); moderate to heavy rain in some areas of central and southern Huanghuai, most of Jianghuai, eastern Jianghan, western and northern Jiangnan, western China, eastern Guizhou, and northwestern Shanxi, western Hebei, and Beijing. , Northeast Guangxi, western Hunan and northeast Hunan, northwest Jiangxi, southeast Hubei, southern Anhui and other local heavy rain (50 ~ 80 mm). In the east of Northwest China, most of Inner Mongolia, North China, Northeast China, and the eastern part of Huanghuai, winds of 4 to 6 and above are found in some areas. Some areas of the Xinjiang Xinjiang Basin and other places have sandy or dusty weather (see Figure 2).

Figure 2 National precipitation forecast map (08-25 March 08:25) Image source: Central Meteorological Station

From 08:00 on March 26 to 08:00 on March 27, light snow or sleet in parts of the northeast, southern Qinghai, western Xinjiang's southern mountainous regions, and western Tibet; southern Huanghuai, Jianghuai, and eastern Jianghan There are moderate to heavy rain in most parts of Jiangnan, northern South China, and eastern part of southwestern China. Among them, heavy rain and local heavy rain (100-120 mm) are found in parts of southern Jiangsu, northeastern Jiangxi, central Hunan, and northeastern Guangxi. . In areas such as central and eastern Inner Mongolia, eastern northwestern China, central southeastern China in northeast China, northern China, Huanghuai, Jianghuai, and eastern Jiangnan, winds of magnitude 5 to 6 and above are present. Some parts of Xinjiang South Xinjiang Basin and other places have sandy or dusty weather. The Bohai Sea, the Bohai Strait, and most of the Yellow Sea have northerly or northeast winds of magnitude 7-8 and gusts 9-10 (see Figure 3).

Figure 3 National precipitation forecast maps (08-27 March 08: 00) Image source: Central Meteorological Station

From 08:00 on March 27 to 08:00 on March 28, there were small to moderate snow or sleet in parts of the western mountainous areas of southern Xinjiang, northern Tibet, and western regions, and large areas of blizzard (10 to 18 mm) in western Tibet. ). Moderate to heavy rain occurred in southern Jianghan, most of southern Jiangnan, central and eastern South China, central and northern Chongqing, and Taiwan Island. Among them, western and southern Jiangxi, southern Zhejiang, northern Fujian, northeastern Guangxi, and northwestern Guangdong included Heavy rain, local heavy rain (100-110 mm). In areas of central and eastern Inner Mongolia, eastern northwestern China, southern northeastern China, eastern North China, central eastern Huanghuai, eastern Jianghuai, eastern Jianghan, and central eastern Jiangnan, winds of magnitude 5 to 6 and above are observed in some areas. Most of the Yellow Sea has northeast winds of magnitude 7 to 8, gusts 9 to 10, and northeast winds of magnitude 4 to 6 and gusts 7 of Bohai and Bohai Straits, and magnitudes 5 to 7 of most of East China Sea and Taiwan Strait. Northeast winds with gusts of 8 (see Figure 4).

Figure 4 National precipitation forecast map (08-28 March 08 08) Image source: Central Meteorological Station

Impact and concern

1. During the cold wave in the middle and eastern part of the 25th to 28th, prevent the adverse effects of strong winds and cooling;

2. On the 25th to 27th, heavy rainfall and strong convection weather process in the south area to prevent secondary disasters.