一场极致的气温震荡即将登场！气温猛冲到“四月春”后将被紧急撤回

Group 1 - The article discusses a significant warming trend in China during the Spring Festival, with temperatures expected to rise dramatically across most regions before January 21 [1][3] - The warming is particularly notable, with maximum temperatures in many areas expected to exceed the seasonal average by more than 10°C, and in some northern regions by around 15°C [1][5] - Major cities such as Shijiazhuang, Zhengzhou, Jinan, Wuhan, Hefei, Changsha, Nanchang, and Hangzhou are forecasted to reach maximum temperatures close to or at 25°C, which is 12-16°C higher than the typical mid to late February temperatures [5][7] Group 2 - A strong cold front is anticipated to follow the warm spell, beginning to affect Inner Mongolia on January 21, leading to a significant drop in temperatures across much of the country [5][7] - The cold air mass is expected to move east and south from January 22 to 24, causing temperatures in the central and eastern regions to decrease sharply, returning to normal or even below normal levels [5][7] - Cities like Jinan, Zhengzhou, Hefei, and Changsha will experience a temperature drop of over 15°C within a few days, transitioning from spring-like warmth back to winter conditions [7]