寒潮带来“速冻”模式，周末这些地方气温“大跳水”

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].