寒潮来袭！大范围雨雪冰冻天气即将上线！对昆明有影响吗？

Core Viewpoint - A significant cold wave is expected to impact China from January 17 to 21, bringing strong winds and a notable drop in temperatures, particularly in southern regions, with the central and eastern areas experiencing the strongest rain, snow, and ice since winter began [1]. Group 1: Temperature and Weather Forecast - The cold wave will cause temperatures across most of China to drop by 6 to 10 degrees Celsius, with certain areas like the Tianshan region in Xinjiang, central and western Inner Mongolia, and parts of the Yangtze River basin experiencing drops exceeding 12 degrees Celsius [1]. - Wind speeds are expected to reach 4 to 6 levels from the north, with gusts between 7 to 9 levels [1]. Group 2: Regional Weather Impact - In Kunming, the weather will remain mostly sunny over the weekend, with maximum temperatures gradually rising to 19-20 degrees Celsius, but significant temperature differences between day and night will persist, with minimum temperatures around 4-5 degrees Celsius [4]. - The air humidity in Kunming is decreasing due to the lack of rainfall, leading to an increased forest fire risk, which may reach levels 2 to 3 [5]. Group 3: Broader Weather Effects - The cold wave will affect various regions sequentially, impacting northern areas like Xinjiang and Gansu on January 17, moving to eastern and central Inner Mongolia and North China on January 18, and continuing to affect the central and eastern regions on January 19 [5]. - By January 21, the zero-degree line will move south to areas from Guizhou to southern Jiangnan, with low temperatures expected to persist in southern regions until January 23 due to supplementary cold air [5].