除夕南方多地降温 湖北湖南部分地区有中雨

Group 1 - The main body of the cold wave continues to move south, with the core area of temperature drop expected in the southern regions [1] - In Jiangnan, local temperature drops can reach up to 10°C, indicating a significant change in weather conditions [1] - Public is advised to enhance warmth measures and be cautious of catching colds due to the sudden temperature change [1] Group 2 - Rain and snow weather persists in many areas of Jianghuai and Jiangnan, necessitating attention to warning and forecast information [1] - When going out, individuals should take precautions against slipping due to the weather conditions [1]