Core Viewpoint - The recent cold wave has brought the first snowfall of the winter to several cities, but it is followed by a significant drop in temperatures, indicating that the cold weather is far from over [2][4]. Group 1: Weather Conditions - On December 12, cities including Beijing, Tianjin, and Jinan experienced their first snowfall of the winter, enhancing the winter atmosphere [2]. - The cold wave has caused temperature drops exceeding 10°C in several regions, with Gansu's Wuqiaoling recording a dramatic drop of 26.1°C, marking it as the "temperature plunge champion" [4]. - Major cities are expected to see record low temperatures this weekend, with forecasts indicating that Lanzhou could drop to -14°C, Urumqi and Xining to -15°C, and Beijing to -10°C [4]. Group 2: Future Outlook - Following the intense cold wave, temperatures are expected to rise quickly from December 15 onwards, suggesting a return to warmer conditions after the cold weekend [5].

Group 1 - The article highlights a significant drop in temperatures across several provincial capitals in northern and central China, with seven cities recording their lowest temperatures since the beginning of autumn [1] - Specific temperature records include Xining at 2.9°C, Shenyang at 5.3°C, Zhengzhou at 9.6°C, Jinan at 10.8°C, Wuhan at 15°C, Changsha at 16.5°C, and Nanchang at 20.3°C, with Zhengzhou being the first to fall below 10°C after autumn began [1] - The lowest temperature recorded was in Mohe, Heilongjiang, at -18.8°C, marking the lowest temperature reported by national meteorological stations since the start of autumn [1] Group 2 - Heavy rainfall and localized torrential downpours were reported in various regions including southwestern Guizhou, southeastern Chongqing, and parts of Hubei, Zhejiang, Fujian, Jiangxi, and Guangxi, with expectations of continued rain in the coming days [3] - A strong cold front is anticipated to bring significant temperature drops of 4-8°C across many regions, with some areas experiencing drops exceeding 10°C, accompanied by strong winds [3] - The article warns of potential hazards such as mountain floods and landslides due to persistent rainfall, advising the public to stay away from mountainous and valley areas [4]