东北、江南多地昼夜温差将超10℃ 早晚出行应注意保暖

Group 1 - The core viewpoint of the articles is that most regions in China will experience a warming trend from December 16 to 19, despite some cold air interruptions [1][2] - The temperature in Northeast and Jiangnan regions is expected to be significantly higher, around 10°C above the average for this time of year, resembling conditions typical of early November [2] - Major cities like Changsha will see maximum temperatures exceeding 20°C, which is more than 10°C higher than the average for mid-December [2] Group 2 - The northern regions will maintain a dry and sunny weather pattern, while the southern regions will experience light rain starting tomorrow [3][6] - There will be localized snow or sleet in parts of Inner Mongolia, Xinjiang, and the Tibetan Plateau, with some areas in Xinjiang expected to see heavy snowfall [5][8] - The public is advised to take precautions against potential fog and haze in regions like North China and Huanghuai, which may affect visibility and traffic safety [9]