国家防减救灾办：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 a complex mix of rain, snow, and freezing rain, leading to high risks of low-temperature disasters [1] Group 1: Weather Forecast - A large-scale rain and snow weather process will occur from north to south in central and eastern China [1] - Areas such as southern Shaanxi, central and southern Henan, western Hubei, northern Hunan, and western Anhui may experience heavy snow [1] - Freezing rain is expected in parts of southern Anhui, central and southern Henan, western Hubei, Hunan, Guizhou, and northeastern Chongqing [1] Group 2: Emergency Response - The Central Meteorological Observatory issued yellow warnings for cold waves and freezing, and blue warnings for heavy snow on January 18 [1] - The National Disaster Reduction Committee initiated a level four emergency response for low-temperature rain and snow disasters in Anhui, Henan, Hunan, and Guizhou [1] - Emphasis is placed on ensuring safety, traffic flow, power supply, and stability, with a focus on key sectors such as transportation, electricity, and communication [1]