强冷空气来临，未来三天贵州将迎大范围寒潮和冰冻天气

Core Viewpoint - A significant cold wave and freezing weather are expected in Guizhou from January 19 to 22, marking the most extensive and intense cold snap since the onset of winter, with temperatures dropping by 8 to 12 degrees Celsius across most regions, reaching lows of -3 to 1 degrees Celsius [1][3]. Group 1: Weather Characteristics - The cold wave will see temperatures gradually decrease from northeast to southwest, with the northeastern edge dropping to around 0 degrees Celsius by the evening of January 19 [3]. - From the night of January 19 to the day of January 20, the minimum temperatures in the central and eastern regions will drop by 8 to 12 degrees Celsius, reaching lows of -3 to 1 degrees Celsius [3]. - By the night of January 21 to the day of January 22, most areas, except for the southwestern part, will experience minimum temperatures below 0 degrees Celsius [3]. Group 2: Freezing Rain Expansion - Initially, the freezing rain will be limited to small areas in the northwest of Qiandongnan, eastern Tongren, and northern Qiannan from the night of January 19 to the day of January 20 [3]. - The freezing rain will expand by the night of January 20 to the day of January 21, affecting northern and southern parts of Guiyang, Bijie, Qiandongnan, and Tongren [3]. - By the night of January 21, the freezing rain will continue to spread westward, impacting several regions including Guiyang and Bijie [3]. Group 3: Weather Forecast and Impact - The cold wave will not last long, with temperatures expected to rise on January 22, and sporadic freezing rain occurring in central regions [6]. - By January 23, temperatures will continue to rise, with most areas experiencing minimum temperatures above 0 degrees Celsius, marking the end of this cold snap [6]. - The meteorological bureau advises monitoring the impacts of freezing temperatures on energy supply, public health, and agricultural production, as well as enhancing safety management for transportation and urban operations [6].