Cold air affects cooling in many places. Continuous rainfall in southwest China requires prevention of flash floods and geological disasters.

China News Service, September 9. According to the website of the Central Meteorological Observatory, due to the influence of cold air, this morning, the temperature in southeastern Inner Mongolia, northern Hebei, northern Beijing, Liaoning, eastern Jilin, central Shaanxi, southern Shanxi, Henan, southwestern Shandong and other places dropped by 4 to 8°C, with a local cooling range of 10 to 11°C. It is expected that today and tomorrow, the southeastern part of the northwest region, Huanghuai, Jianghan, Sichuan Basin and other places will have a temperature drop of 4 to 6°C, with a local temperature drop of more than 8 to 10°C, accompanied by winds of level 4 to 5 and gusts of level 6 to 7.

Image source: Central Meteorological Observatory website

Yesterday, heavy rain or torrential rain occurred in parts of southern Shanxi, central Shaanxi, southern Ningxia, eastern Gansu, eastern Qinghai, western Sichuan Basin, central and western Yunnan, central Guangdong and other places. Local heavy rains (100-138.3 mm) occurred in Chengdu and Deyang of Sichuan and Haibei Prefecture of Qinghai. Today, heavy to heavy rains are expected in parts of southeastern Gansu, southwestern Shaanxi, northern Sichuan Plateau, western and southern Sichuan Basin, northwestern Guizhou, and western Yunnan. Among them, there will be local heavy rains (100-150 mm) in the western and southern Sichuan Basin. Some of the above-mentioned areas are accompanied by short-term heavy precipitation, with maximum hourly rainfall of 20 to 50 mm, and may exceed 60 mm in some places, and there are strong convective weather such as thunderstorms and strong winds. The Central Meteorological Observatory continued to issue blue rainstorm warnings this morning.

Image source: Central Meteorological Observatory website

Tomorrow, this round of rainfall in West China will weaken significantly and tend to end. Meteorological experts reminded that due to the influence of cold air, the temperature in some areas has "inverted", and the temperature in the afternoon may be lower than that in the morning. The public should add clothes in time according to the weather forecast to avoid freezing. In addition, rainfall in the southwest region lasts for a long time and local rainfall is heavy, which may cause flash floods, geological disasters, etc. The public is advised to avoid entering dangerous areas such as mountainous areas and river valleys in the near future.