AI-generated summary
The Central Meteorological Observatory issued a weather forecast, predicting that there will be a rainfall and cooling process in the northern region in the next three days.
China News Service, September 7. According to the website of the Central Meteorological Observatory, domestically, yesterday, moderate to heavy rains, local heavy rains or heavy rains occurred in Inner Mongolia, Gansu, Yunnan, Guangdong and other places. It is expected that in the next three days, there will be a rainfall and cooling process in the northern region. There will be heavy rainfall in Gansu, Shaanxi, Shanxi, Hebei and other places. There will be heavy rainfall in the Sichuan Basin, Yunnan and other places. The above-mentioned areas need to guard against local heavy rainfall that may cause flash floods and geological disasters.
Moderate to heavy rains occurred in Inner Mongolia, Yunnan, Guangdong and other places
Yesterday, moderate to heavy rain occurred in parts of western Heilongjiang, western Jilin, eastern Inner Mongolia, central and eastern Gansu, eastern Qinghai, western Yunnan, central Guangdong, eastern Fujian, and northern Taiwan. Xing'an, Inner Mongolia Local heavy rains or heavy rains (100-108.9 mm) occurred in Mengmeng, Yunnan Pu'er, Guangdong Yangjiang and Shenzhen; the maximum hourly rainfall in the above-mentioned areas was 30-60 mm, and the local area in Yunnan Pu'er was 85.3 mm.
There is a rainfall and cooling process in the northern region
Affected by the cold air, from September 7th to 9th, Qinghai, Gansu, Ningxia, Shaanxi, Inner Mongolia, North China, and the western Sichuan Basin experienced light to moderate rains, local heavy rains, and thunder and lightning or short-term rains in some areas. Convective weather such as heavy precipitation; Inner Mongolia, the central and eastern parts of northwest China, North China, Huanghuai, Northeast China and other places will have a temperature drop of 4 to 6 degrees Celsius, with a local temperature drop of 8 to 10 degrees Celsius, accompanied by winds of magnitude 4 to 5 and gusts of magnitude 6 to 7. In addition, there will be light to moderate rain or thundershowers in parts of South China, Yunnan, Tibet and other places.
Domestic detailed forecast for the next three days
From 8:00 on September 7 to 8:00 on September 8, there were moderate to heavy rains in parts of eastern Qinghai, central and southern Gansu, central and northern Shaanxi, central and northern Shanxi, central and western Hebei, western and southern Beijing, western Sichuan Basin, northeastern Heilongjiang, southwestern Yunnan, and southeastern Tibet. Among them, there were heavy rains (50-80 mm) in parts of central Shanxi and western Hebei. There will be winds of magnitude 4 to 6 in parts of northern Xinjiang, northern Gansu, most of Inner Mongolia, the northeast of northwest China, the east and north of North China, the west and south of Northeast China, and northern Huanghuai; the Bohai Sea will have winds of magnitude 6 to 7 and gusts of magnitude 8.
National precipitation forecast map (08:00 on September 7 - 08:00 on September 8). Image source: Central Meteorological Observatory website
From 8:00 on September 8 to 8:00 on September 9, there were moderate to heavy rains in parts of eastern and southern Qinghai, southern Gansu, central and southern Ningxia, central Shaanxi, central and southern Shanxi, southwestern Hexi, western Sichuan Basin, northwestern southern Xinjiang, and western Yunnan. Among them, there were heavy rains (50-90 mm) in parts of central Shaanxi, southwestern Shanxi, and southern Gansu. There will be winds of magnitude 4 to 6 in parts of northern and eastern Xinjiang, northern Gansu, Inner Mongolia, eastern Heilongjiang, Liaoning, southern Hebei, Shandong, and central and eastern Henan; there will be winds of magnitude 6 to 7 and gusts of magnitude 8 in the Bohai Sea, Bohai Strait, and northern Yellow Sea.
National precipitation forecast map (08:00 on September 8th - 08:00 on September 9th). Image source: Central Meteorological Observatory website
From 8:00 on September 9 to 8:00 on September 10, there were moderate to heavy rains in parts of northern and southern Qinghai, southern Gansu, central and southern Shaanxi, southern Shanxi, central and western Sichuan Basin, western Henan, and southeastern and western Yunnan. Among them, there were heavy rains or heavy rains (100-120 mm) in parts of the western Sichuan Basin, southwestern Shaanxi, and northeastern Yunnan. There are winds of magnitude 4 to 6 in some areas of eastern northern Xinjiang, northern Gansu, western and northeastern Inner Mongolia, Shandong Peninsula, southern Liaoning, and northern Heilongjiang.
National precipitation forecast map (08:00 on September 9th - 08:00 on September 10th). Image source: Central Meteorological Observatory website
Affected by the cold air, rainfall in the north will expand eastward in the next three days, with local heavy rains; at the same time, cooling will spread from north to south. Temperatures in many places in the north will hit record lows in six months, and the heat in the south will gradually ease.

Lin De'en, a doctor of atmospheric sciences at National Taiwan University, pointed out that the northeast monsoon will strengthen from the 9th of this month, and it is expected to have the most obvious impact on Taiwan from the 10th to the 11th, and gradually weaken on the 12th, with the impact lasting about 3 to 4 days. There will be localized short-lived rain on the windward side of the north and northeast, and the low temperature in the morning and evening is expected to be 22 to 24 degrees. It will feel significantly cooler when it is cloudy and rainy; it will remain cloudy to sunny in the central and southern parts, and the impact will not be significant.

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