国家防灾减灾救灾委员会：针对四省启动国家低温雨雪冰冻灾害四级应急响应

Core Viewpoint - A significant weather event is expected in China's central and eastern regions from January 18 to 21, with complex precipitation patterns including rain, snow, and freezing rain, leading to potential hazards [1] Group 1: Weather Impact - A large-scale rain and snow weather process will occur from north to south in central and eastern China, with heavy snow expected in parts of southern Shaanxi, central and southern Henan, western Hubei, northern Hunan, and western Anhui [1] - The Central Meteorological Observatory has issued yellow warnings for cold waves and freezing, as well as blue warnings for heavy snow [1] Group 2: Emergency Response - The National Disaster Reduction Committee has activated a level four emergency response for low-temperature rain, snow, and freezing disasters in Anhui, Henan, Hunan, and Guizhou provinces [1] - Emphasis is placed on ensuring safety, maintaining transportation, power supply, and stability, while enhancing emergency response mechanisms and resource allocation [1] - Additional workgroups have been dispatched to assist in the affected areas, particularly in Henan, Hunan, and Guizhou [2]