寒潮继续深入南方 湖南贵州广西等地有雨雪冰冻天气

Core Viewpoint - A significant cold wave and precipitation event is affecting various regions in China, leading to notable temperature drops and potential impacts on transportation and energy sectors [1][3][5][7] Group 1: Weather Conditions - On January 19, areas including central and eastern Gansu, southern Shaanxi, southern Shanxi, and parts of Henan and Shandong experienced significant snowfall or sleet, with precipitation levels reaching 18-22 millimeters in places like Zhumadian, Liu'an, and Fuyang [1] - On January 20, temperatures dropped by 8-10°C in parts of Jiangsu, Anhui, Shanghai, and Zhejiang, with eastern Guizhou experiencing drops of 12-16°C [1][3] - From January 20 to 21, regions such as southeastern Hubei, central and northern Hunan, and northwestern Jiangxi are expected to see moderate to heavy snow, while areas in central and eastern Guizhou and southern Hunan may experience freezing rain [5] Group 2: Warnings and Recommendations - The Central Meteorological Observatory issued blue alerts for cold waves and strong winds, as well as yellow alerts for freezing conditions, predicting temperature drops of 4-6°C across various regions [3] - Experts warn that the extensive cold wave and precipitation could lead to icy conditions on roads and power lines, adversely affecting transportation and energy supply [7] - Public safety measures are advised, including precautions against carbon monoxide poisoning for those using coal heating indoors and general safety when traveling [7]