China News Service, July 7th, according to the website of the Central Meteorological Observatory, from July 7th to 9th, affected by the low-altitude shear line, there was heavy precipitation in the east of the southwest region to the middle and lower reaches of the Yangtze River, and the main rain belt gradually pushed southward to the Yangtze River. Along the river and the south, Chongqing, Guizhou, Jianghan, Jianghuai, northern Jiangnan and other parts of the region have heavy rains to heavy rains, and local heavy rains.

Hunan, Hubei, Anhui and other places experienced heavy rainfall

  Yesterday, heavy rains occurred in southern Chongqing, northern Guizhou, northwestern Hunan, southern Hubei, northwestern Jiangxi, southern Anhui, southern Jiangsu, northern Shanghai, and northwestern Zhejiang, southeastern Hubei, southern Anhui, and Guizhou Zunyi and Bijie, Zhangjiajie Local heavy rains in western Hunan, Suzhou and Nantong in Jiangsu, northern Shanghai, Hangzhou and Huzhou in Zhejiang, and local heavy rain in Xuancheng, Anhui (260 mm). The maximum hourly rainfall in the above areas is 50-92 mm; central Heilongjiang, western and eastern Jilin , Southeastern Inner Mongolia, northern Hebei, southern and northwestern Beijing, southeastern Shandong and other places have scattered heavy rain or torrential rain, local heavy rain in Harbin, Heilongjiang and Suihua (100 ~ 132 mm).

Guizhou, Chongqing to the middle and lower reaches of the Yangtze River have heavy rainfall

  From July 7th to 9th, affected by the low-altitude shear line, there was heavy precipitation in the east of the southwestern region to the middle and lower reaches of the Yangtze River. The main rain belt gradually pushed southward to the rivers and south of the Yangtze River, Chongqing, Guizhou, Jianghan, Jianghuai, There are heavy rains to heavy rains in parts of northern Jiangnan and other places, and local heavy rains.

  It is estimated that from 8:00 on July 7 to 8:00 on July 8, heavy rain will occur in parts of western Jianghuai, southern Jianghan, northern Jiangnan, southeastern Chongqing, northern Guizhou, southern Sichuan, northwest Yunnan, and eastern Heilongjiang. Among them, There are heavy rainstorms in parts of southern Anhui, northwestern Zhejiang, eastern and southern Hubei, northern Hunan, and northern Guizhou. Local heavy rain (250-280 mm) in eastern Hubei and northern Hunan. Some of the above-mentioned areas are accompanied by short-term heavy precipitation (the maximum hourly rainfall is 30-50 mm, and the local area can exceed 70 mm), and there are strong convective weather such as thunderstorms and strong winds. The Central Meteorological Observatory continued to issue a rainstorm yellow warning at 06:00 on July 7 (see Figure 1).

Fig.1 Forecast map of the heavy rainfall areas in the country (08:00 on July 7-08:00 on July 8)

Multiple convective weather in North China and Northeast China

  Over the next three days, there will be multiple showers or thunderstorms in North China, Eastern Huanghuai, Eastern Northeast, and other places. Among them, there will be heavy or heavy rain in the central and northern North China from the night of the 8th to the 9th, accompanied by strong convective weather such as thunderstorms, strong winds, or hail .

Specific forecasts for the next three days

  From July 8th to August 8th, there are moderate to heavy rains in parts of eastern Heilongjiang, western Jianghuai, southern Jianghan, northern Jiangnan, central and southern southwestern regions, and eastern Tibet. Among them, central Zhejiang, southern Anhui, and Jiangxi There are heavy rains or heavy rains in parts of northern, eastern and southern Hubei, northern Hunan, southeastern Chongqing, northern Guizhou, northern Yunnan, etc., and local heavy rains (250-280 mm) in eastern Hubei and northern Hunan (see Figure 2) .

Figure 2 National precipitation forecast map (from 08:00 on July 7 to 08:00 on 8th)

  From 8 am to 8 am on July 8th, there are moderate to heavy rains in parts of eastern Heilongjiang, central and northern North China, western Jianghuai, northern Jiangnan, Guizhou, western Sichuan, northern Yunnan, and eastern Tibet. Among them, southern Anhui and Zhejiang There are heavy rain or heavy rain (100-180 mm) in parts of the north, northwestern Jiangxi, eastern Hubei, western Hunan, eastern Guizhou, and southeastern Tibet (see Figure 3).

Figure 3 National precipitation forecast map (from 08:00 on July 8 to 08:00 on 9th)

  From 08:00 on July 9 to 08:00 on July 10, there were moderate to heavy rains in parts of northern and central North China, northern Jiangnan, northern Guangxi, southern Guizhou, western and northern Yunnan, western and southern Sichuan, and eastern Tibet. There are heavy rain or heavy rain (100-170 mm) in parts of the north, southern Anhui, northwestern Jiangxi, western Hunan, southeastern Guizhou, and southeastern Tibet (see Figure 4).

Figure 4 National precipitation forecast map (from 08:00 on July 9 to 08:00 on 10th)

Influence and attention

  Sustained heavy rainfall from the east of the southwest to the middle and lower reaches of the Yangtze River to prevent the superposition of rainfall and possible flash floods, geological disasters, small and medium river floods, etc.; Northeast, North China, eastern Huanghuai and other places with multiple or thunderstorms to prevent local heavy rainfall It has adverse effects on strong convective weather such as thunderstorms, strong winds and hail; high temperature weather in Jiangnan and South China.