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]

Group 1 - The cold wave has ended, and most regions in the country will experience a precipitation break for the next three days, allowing people to dry their clothes [1] - A strong snowfall is expected in western Xinjiang and southwestern Tibet from today until the 24th, with the peak snowfall occurring tomorrow [2] - The southern regions are experiencing rapid warming, with temperatures in some areas rising by over 10°C, while the northern regions are warming more slowly due to the influence of cold air [3] Group 2 - Two rounds of cold air will impact the country before the end of the month, with the first from the 25th to the 27th bringing light to moderate snow in northern regions [4] - The second round of cold air from the 29th to the 31st is expected to be stronger, potentially causing significant snowfall in central and eastern regions [4] - Residents in Xinjiang and Tibet should pay special attention to the upcoming heavy snowfall and ensure travel safety [6]