春节前夕返乡须留意大雾影响 南方多地有强对流天气

Group 1 - A cold wave blue alert and fog yellow alert were issued by the Central Meteorological Administration, indicating significant weather changes in the central and eastern regions of China over the next three days [1] - The cold wave is expected to cause temperature drops of 6°C to 10°C across most of the central and eastern regions, with some areas experiencing drops of 10°C to 12°C, and localized drops exceeding 14°C [6][9] - The first significant convective weather of the spring season is forecasted, with rain and thunderstorms expected in the southwestern, Jianghan, Jianghuai, Jiangnan, and South China regions from February 14 to 16 [4][6] Group 2 - Visibility issues due to fog are anticipated in various coastal areas, including the Yellow Sea, East China Sea, and the Qiongzhou Strait, with some areas experiencing visibility below 500 meters [1][3] - The convective weather is expected to bring thunderstorms, hail, and short-term heavy rainfall, particularly affecting regions like southern Chongqing, Guizhou, and central Hubei [6] - Rain and snow are expected in several regions, with significant snowfall predicted in parts of Tibet, Hubei, and Henan, while heavy rain may occur in areas like Jiangxi and Zhejiang [7]