There are precipitation processes in the east of the southwest region, such as the south of the river, and the north will cool down with strong winds

　　China News Service, April 18, according to the Central Meteorological Observatory website, yesterday, some areas in southeastern Shaanxi, northeastern Sichuan, Chongqing, western and southern Hubei, western Hunan, northwestern Jiangxi and other parts of the country fell to heavy rain. Local rainstorms or heavy rains in the mouth and Banan, Hubei Enshi, Yichun, Jiangxi, etc. Locally 142 mm in Banan, Chongqing, the maximum hourly precipitation in the above areas is 30-60 mm; the west and south of Yunnan are down to moderate rain, Wenshan and Honghe Heavy rain. In addition, there is local sand or floating dust in the southern Xinjiang basin, western Inner Mongolia, and central and western Gansu.

Forecast map of heavy rainfall in the whole country (from 08:00 on April 18th to 8:00 on April 19th). Image source: Central Meteorological Observatory website

There are precipitation processes in Jiangnan and other places in the east of Southwest China

　　Affected by the eastward movement of the low vortex shear line, from 08:00 on the 18th to 08:00 on the 19th, southeastern Guizhou, northeastern Guangxi, central and northeastern Hunan, southeastern Hubei, central and northern Jiangxi, southern Anhui, western Zhejiang and other places There are heavy rains in some areas and local heavy rains (50-90 mm). Some of the above-mentioned areas are accompanied by short-term heavy precipitation, and local conditions in eastern Guizhou, central and southern Hunan, and northwest Guangxi are accompanied by thunderstorms and strong winds or hail. The Central Meteorological Observatory issued a heavy rain forecast at 06:00 on April 18.

　　In addition, from the night of the 19th, there will be another precipitation process in the southeast of the northwest region, the east of the southwest region, the south of the Jiangnan, and the south of China.

From the 19th, there will be a strong wind cooling process in the northern region

　　On the 19-21st, there will be a strong wind cooling process in the northern region, and there will be northerly winds of magnitude 4-6 north of Huanghuai. Among them, gusts of up to 7 can be reached in parts of northern China and eastern Inner Mongolia; eastern northwest China and northern China , Northeast and other places have a cooling temperature of 6 ~ 8 ℃, and some areas can reach 10 ~ 14 ℃.

Specific forecasts for the next three days

　　From 08:00 on April 18 to 08:00 on April 19, parts of Jianghuai, Jianghan, Jiangnan, southeastern southeast, and southeastern Tibet experienced moderate to heavy rains. Among them, southern Anhui, southern Hunan and western Hunan, and Jiangxi There are heavy rains (50-90 mm) in parts of the north and southeastern Guizhou. Some areas in central and northern Inner Mongolia, Hexi in Gansu, central Ningxia, and northern Shaanxi have winds of grade 4 to 5 and above.

　　From 08:00 on April 19 to 08:00 on April 20, eastern Inner Mongolia, western Heilongjiang, western Jilin, southeastern northwest, southern Jianghuai, northern Jiangnan, southern Hubei, southern Hunan, most of Zhejiang, eastern southwest, northern China, Tibet There are moderate rains in parts of southeastern China and other parts. Among them, there are heavy rains (25-35 mm) in parts of southern Gansu, eastern Sichuan Basin, central Chongqing, northwest and southern Hunan, central Zhejiang, and northeastern Jiangxi. Some areas in central and northwestern Inner Mongolia, the southern Xinjiang basin, and western Qinghai have winds of grade 4 to 6 and above, of which winds of grade 6 to 7 are found in parts of eastern Xinjiang. In the north of the East China Sea, there will be southwesterly winds of 7 to 8 and 9 gusts, some of which can reach 9 and 10 gusts.

　　From 8 am on April 20th to 08:00 on 21st, there are moderate to heavy rains in parts of northern and central Heilongjiang, most of Jiangnan, southeast of southwest, north of southern China, and southeast of Tibet. Among them, central and southern Hunan and central and southern Jiangxi , Central Zhejiang, Northwest Fujian and other parts of the country have heavy rain (50 ~ 65 mm). Some areas in eastern Inner Mongolia and northern Hebei have winds of grade 5 to 6 or above.

Influence and attention

　　1. The possible geological disasters caused by continuous precipitation in the south and the impact of local strong convective weather;

　　2. Pay attention to the impact of the cold air on the strong winds and precipitation in North China and Northeast China on 19-22.