10级以上雷暴大风来袭

Group 1 - The Central Meteorological Observatory issued a blue warning for severe convective weather, predicting strong thunderstorms and hail in parts of Inner Mongolia, Northeast China, and northern Jiangnan from September 14, 08:00 to September 15, 08:00 [2] - Areas in central and southeastern Heilongjiang are expected to experience thunderstorm winds exceeding level 10, while parts of the Northeast, Northwest Huabei, northern Jiangnan, and eastern and southwestern regions may see short-term heavy rainfall with hourly precipitation exceeding 20 mm, and in some areas like southeastern Chongqing and southwestern Guizhou, it could exceed 50 mm, reaching up to 60 mm [2] - The main impact period for the severe convective weather is expected to be during the daytime of September 14 [3] Group 2 - The government and relevant departments are advised to prepare for short-term heavy rain, thunderstorms, and strong winds, while meteorological departments should be ready for artificial hail prevention [4] - Outdoor activities should be minimized, and people should stay away from structures like awnings and billboards [4] - Livestock should be moved to covered areas, and windows and doors should be secured [4] Group 3 - A severe convective weather event occurred in Beijing on the evening of September 13, with scattered thunderstorms, strong winds, hail, and short-term heavy rainfall reported [5] - Citizens described the hail as unprecedented, with some sharing videos showing significant accumulation of hailstones [6] - The formation of this severe hailstorm was attributed to a supercell thunderstorm, influenced by unstable atmospheric conditions due to a late southward shift of the subtropical high and abundant moisture in the lower atmosphere [6]