三预警齐发！多地发布通知：停课

Summary of Key Points Core Viewpoint - A significant cold wave is affecting central and eastern China, leading to a drop in temperatures and widespread rain and snow, prompting emergency responses and school closures in several provinces [1][5][7]. Weather Warnings - The Central Meteorological Observatory issued a yellow cold wave warning, predicting temperature drops of 6-12°C across central and eastern regions from January 18 to 21, with some areas experiencing drops of 12-16°C or more [1][3]. - A blue snowstorm warning was also issued, forecasting heavy snowfall in parts of Shaanxi, Henan, Anhui, and Hubei, with snow accumulation expected to reach 4-10 cm in some areas [2][3]. Emergency Responses - The National Disaster Reduction Committee activated a Level 4 emergency response for low-temperature rain and snow disasters in Anhui, Henan, Hunan, and Guizhou due to the high risk of cold weather impacts [5][6]. - Multiple provinces, including Anhui and Henan, have announced school closures in response to the severe weather conditions [5][7][8]. School Closures - In Anhui, schools at various levels are closed on January 19 due to anticipated snowfall, with local authorities given discretion to adjust schedules based on real-time weather conditions [5][7]. - In Henan, cities such as Zhoukou, Zhumadian, and Luohe have also issued full-day school closures on January 19, with adjustments for high schools based on weather [7][8].