开启升温！多地累计升温幅度将超10℃

Group 1 - The majority of regions in China are entering a warming phase, with significant temperature increases expected, particularly in Northeast and Jiangnan areas, where the cumulative temperature rise may exceed 10°C compared to the same period in previous years [1][2] - By February 4, temperatures are projected to reach recent highs, with the 15°C line moving north to central Hebei and the 20°C line approaching the Yangtze River, indicating a notable warmth return [2] - A new wave of cold air is expected to arrive around February 5, leading to significant temperature drops in the central and eastern regions, with maximum temperature declines exceeding 10°C, and in some areas, even surpassing 15°C [2][5] Group 2 - The upcoming days will see a precipitation hiatus across most of China, with generally clear weather expected [2][5] - Some regions, including parts of Inner Mongolia, Xinjiang, and Tibet, may experience light snow or rain-snow mixtures, while areas in Tibet are forecasted to receive moderate to heavy snow [4][5] - As the new cold air approaches, rain and snow events are anticipated to increase in the central and eastern regions, coinciding with the Spring Festival travel period, necessitating public awareness regarding travel conditions [5]