Heavy rainfall in North China, Huanghuai, Jianghuai, Guizhou and other places
There are scattered heavy precipitation along the coast of South China
1. Heavy rainfall occurred in parts of Sichuan Basin, Guizhou, Anhui, Jiangsu and other places
From 08:00 yesterday to 06:00 yesterday, there were heavy rains or heavy rains in parts of the central and southern Sichuan Basin, northern Guizhou, western Hubei, central Anhui, central and northern Jiangsu, and central Guangdong. There were extremely heavy rains in Huainan and Lu’an, Anhui (250～ 285 mm), the maximum hourly rainfall in the above areas is 50-80 mm, and the Lu’an local area is 120 mm; heavy rains occur in parts of northern Shandong, Hebei, Beijing, central and northern Shanxi, the Hetao region of Inner Mongolia, and northeastern Shaanxi. Local rainstorms or heavy rains (50-121 mm) in Binzhou, Ordos, Inner Mongolia, Yulin, Shaanxi, etc.
High-temperature weather of 35～37℃ occurred in parts of Jiangnan, Southern China, western Shanxi, western Inner Mongolia, northern Ningxia, and 39-40℃ in parts of southeastern Hunan.
2. Key weather forecast
1. Heavy rainfall in North China, Huanghuai, Jianghuai, Guizhou and other places
In the next three days, there will be heavy to torrential rains in parts of central and southern North China, central and western Huanghuai, central and western Jianghuai, eastern and southwestern Jianghan, Guizhou, eastern Yunnan, and other localities in northern Henan, central and southern Hebei, southern Guizhou, and eastern Yunnan. There was a heavy rainstorm.
It is estimated that from 08:00 on July 17 to 08:00 on July 18, northeastern Inner Mongolia, western Beijing, western Hebei, northern and southeastern Henan, central and northern Anhui, southwestern mountains, northeastern and southwestern Hubei, northwestern Hunan, and Guizhou , Southeastern Chongqing, eastern Yunnan and other places have heavy to heavy rains. Among them, there are heavy rains (100-200 mm) in parts of north-central Anhui and southwestern Guizhou. Some of the above areas are accompanied by short-term heavy rainfall (the maximum hourly rainfall is 30-60 mm, and the local area can exceed 80 mm), and there are strong convective weather such as thunderstorms. For this reason, the Central Meteorological Observatory continued to issue a yellow rainstorm warning and a blue warning for severe convective weather at 06:00 on July 17 (see Figure 1).
Figure 1 Forecast map of heavy rainfall areas across the country (from 08:00 on July 17 to 08:00 on July 18)
2. There are scattered heavy precipitation along the coast of South China
In the next three days, affected by tropical disturbances in the South China Sea, there will be polydisperse precipitation in the coastal areas of Guangdong and southeastern Fujian, and there will be heavy to heavy rains in some areas.
3. Specific forecasts for the next three days
From 08:00 on July 17th to 08:00 on July 18, some areas of eastern Inner Mongolia, western Heilongjiang, central North China, central Huanghuai, central and western Jianghuai, southern and eastern Jianghan, northern Hunan, eastern Southwestern and eastern Yunnan, etc. Heavy rain, among them, some areas such as northeastern Inner Mongolia, central and southern Hebei, central and southwestern Anhui, eastern Hubei, northern Hunan, and central and southern Guizhou have heavy rains or heavy rains (100-200 mm). There are winds of force 4 to 6 in some areas of the southern Xinjiang basin, of which winds of force 7 to 8 occur locally in the eastern part of Xinjiang (see Figure 2).
Figure 2 National precipitation forecast map (from 08:00 on July 17 to 08:00 on July 18)
From 08:00 on July 18th to 08:00 on July 19th, northeastern Inner Mongolia, northwest Heilongjiang, southern North China, western Huanghuai, western Jianghuai, eastern Jianghan, northern Hunan, southern Guizhou, eastern central Yunnan, western southern China, and southeastern China There were moderate to heavy rains in some areas, including northeastern Inner Mongolia, western Heilongjiang, southwestern Shanxi, southern Hebei, northern Henan, southern Guizhou, southeastern Yunnan, western Guangxi and other places with heavy rains or heavy rains (100-200 mm). There are 4 to 6 winds in parts of the southern Xinjiang Basin, of which 6 to 7 winds occur locally in Hexi, Gansu (see Figure 3).
Figure 3 National precipitation forecast map (from 08:00 on July 18 to 08:00 on July 18)
From 08:00 on July 19 to 08:00 on July 20, there were moderate to heavy rains in parts of northeastern Inner Mongolia, northwest Heilongjiang, southern North China, western Huanghuai, most of Jianghan, western Jianghuai, northern Hunan, and southern Southwestern China. , There are heavy rains or heavy rains (100-200 mm) in parts of southwestern Shanxi, southern Hebei, central and northern Henan, and southeastern Yunnan. There are 4 to 6 winds in parts of the southern Xinjiang Basin of Xinjiang and northwest Inner Mongolia (see Figure 4).
Figure 4 National precipitation forecast map (from 08:00 on July 19 to 08:00 on July 19)
Fourth, influence and concern
(1) From 17 to 19, there will be heavy rainfall and strong convective weather in North China, Huanghuai and other places. It is necessary to prevent possible mountain floods, geological disasters, urban and rural waterlogging, floods of small and medium-sized rivers and strong convective weather.
(2) Pay attention to the adverse effects of continuous high temperature weather in western Inner Mongolia, western Gansu and other places.