China News Service, May 20. According to the website of the Central Meteorological Observatory, during the daytime from May 20 to 22, the eastern part of the Southwest, Jiangnan, South China and other places will experience heavy rain from west to east. Local heavy rain and thunderstorms or wind Strong convective weather such as hail. The Central Meteorological Observatory issued a blue rainstorm warning at 6:00 on May 20.
From 8:00 on May 20 to 8:00 on 21st, there were heavy rains in parts of central and southern Hunan, eastern and southern Guizhou, southeastern Jiangxi, central and northern Guangxi, northern and central Guangdong, and southern Taiwan Island. Among them, Hunan Central and southern regions, northeastern Guangxi and other places have heavy rainstorms (100-180 mm), with a maximum hourly precipitation of 20-40 mm, and localities exceeding 50 mm. The main precipitation period in Jiangnan and South China is from the evening of the 20th to the evening of the 21st.
In addition, from the night of the 20th to the 21st, due to the water vapor transport outside the Mengwan storm, there are small to moderate rain or sleet in southern Qinghai and eastern Tibet, moderate to heavy snow in some areas, and local blizzard; Heavy rain, moderate to heavy rain in northwestern Yunnan. From the 21st to the 22nd, there were heavy thunderstorms in the southeastern Inner Mongolia, the southeast of the northeast, north China, and the east of the Huanghuai region, with local concomitant thunderstorms, strong winds, or hail.
Forecast map of heavy rain in the whole country (from 8:00 on May 20 to 8:00 on the 20th)
Specific forecasts for the next three days
From 8:00 on May 20 to 8:00 on the 21st, eastern Chongqing, eastern and southern Guizhou, southwestern Hubei, most of Hunan, most of Jiangxi, central and northern Guangxi, most of Guangdong and Xinjiang along the west of Tianshan, southern Tibet, western Sichuan There are moderate to heavy rains in the northern plateau, northwestern Yunnan, and Taiwan Island. Among them, there are heavy or heavy rains (100-180 mm) in parts of central and southern Hunan, northeastern Guangxi, northwest, and central Guangdong. There are 4-6 winds in parts of northern Xinjiang, central and western Inner Mongolia, and northern China.
From 8:00 on May 21 to 8:00 on 22, some parts of southeastern Inner Mongolia, south and west of northeast China, eastern Tibet, southeast Qinghai, central and southern Jiangnan, most of southern China, and Taiwan Island experienced moderate to heavy rains, among which In parts of southern Tibet, central and southern Jiangxi, most of Fujian, southeastern Yunnan, eastern and southwestern Guangxi, northwest and central Guangdong, and most of Taiwan Island, there are heavy rains or heavy rains (100-140 mm). There are 4 to 6 winds in most parts of Inner Mongolia, southern Northeast China, eastern Xinjiang, northern Shaanxi, and Shandong Peninsula.
Moderate to heavy rains in parts of southeastern Inner Mongolia, eastern Liaoning, northern Hebei, southern and eastern Tibet, eastern Jiangnan, southern Sichuan, eastern Yunnan, southern southern China, and Taiwan Island from 8:00 on May 22 to 8:00 on 23rd Among them, there are heavy rains or heavy rains (100-150 mm) in parts of southern Tibet, southern Guangdong coast, and Taiwan Island. There are 4-6 winds in parts of central and western Inner Mongolia, eastern Xinjiang, and Hexi, Gansu.
Influence and attention
1.20-22 Days of heavy rainfall in eastern southwest, central and southern Jiangnan, southern China, etc., to prevent urban and rural waterlogging, torrential geological disasters and severe convective weather that may be caused by local heavy rainfall.
2.21-22 thunderstorms in eastern Inner Mongolia, southern northeast China and northern China, focusing on local heavy rainfall and strong convective weather;
3. Sustained rainfall and strong local rainfall in western Xinjiang to prevent local floods and geological disasters.