2008年1月中旬以来,受冷空气和西南暖湿气流的共同影响,一场历史罕见的低温雨雪冰冻天气席卷我国南方大部分省份。其中云南全省出现了降温和强降水天气,滇东北维持阴冷雨雪、冻雨天 Since mid-January 2008, affected by cold air and warm and humid southwestern China, a rare low-temperature snow and ice freezing weather swept most of southern China’s provinces. Among them, the cooling and heavy precipitation appeared in the whole province of Yunnan, and the cold, rain and snow in northeast Yunnan and the freezing rainy days