三预警齐发！多地紧急通知：停课

Core Viewpoint - A significant cold wave is affecting central and eastern China, leading to substantial temperature drops and widespread rain and snow, with specific warnings issued for various regions [1][3][4]. Summary by Sections Weather Impact - The cold wave is expected to cause average daily or minimum temperatures to drop by 6 to 12 degrees Celsius across central and eastern regions from January 18 to 21, with some areas experiencing drops of 12 to 14 degrees Celsius, and localized drops exceeding 16 degrees Celsius [3][4]. - Rain and snow are forecasted to occur from north to south in the central and eastern regions, with heavy snow expected in parts of Shaanxi, Henan, Anhui, and Hubei, with snow accumulation of 4 to 8 centimeters, and localized areas exceeding 10 centimeters [4][5]. Emergency Responses - Schools in Henan, Anhui, Jiangsu, and Hubei have announced closures due to the severe weather, with specific regions like Zhoukou and Zhumadian suspending all in-person classes on January 19 [5][6][12][14]. - The National Disaster Reduction Committee has activated a Level 4 emergency response for low-temperature rain and snow disasters in provinces including Anhui, Henan, Hunan, and Guizhou [19]. Health and Safety Recommendations - Health authorities in Henan have advised vulnerable populations, including pregnant women, the elderly, and those with chronic illnesses, to monitor their health closely due to the expected temperature drops of 10 to 15 degrees Celsius, with some areas exceeding 20 degrees Celsius [5].