冬至寒潮后迎回暖 长三角气温触底反弹

Core Viewpoint - The Yangtze River Delta region is experiencing a significant temperature rebound following a cold wave, with temperature increases expected to reach up to 12°C in the coming days [1][2]. Group 1: Temperature Changes - From December 26, cities in the Yangtze River Delta, including Shanghai, Suzhou, Hangzhou, and Hefei, will see a strong rebound in temperatures, with cumulative increases expected to reach up to 12°C [1]. - On December 25, many areas in Jianghuai and Jiangnan experienced the coldest day of the second half of the year, with Hangzhou recording its first sub-zero temperature of the winter [1]. - The highest temperature in Shanghai is projected to rise to 12°C on December 27 and reach 15°C on December 28 [1]. Group 2: Weather Forecast - The Central Meteorological Administration forecasts a significant warming trend across most of China from December 26 to 28, with maximum temperature increases of 8°C to 12°C in Jianghuai and Jiangnan regions [1]. - After the warming period, a cold air mass is expected to affect areas north of the Huai River from December 28 to 30, with another strong cold front anticipated around New Year's Day 2026 [2]. Group 3: Public Advisory - Meteorological departments advise the public to prepare for significant temperature fluctuations, with day-night temperature differences exceeding 10°C, and in many areas north of the Yangtze River, differences may exceed 15°C [2].