冷冷冷！云南局地暴跌14℃！昆明气温大反转，明天只有…

Group 1 - The core viewpoint of the articles indicates that a cold air mass is affecting Yunnan Province, leading to significant temperature drops and precipitation over the next few days [1][2][5] - From February 7 to February 8, temperatures in eastern Yunnan are expected to decrease by 8 to 14 degrees Celsius, with some areas experiencing even greater drops [1][2] - The weather forecast predicts small snow or sleet in high-altitude areas of northern Diqing and Nujiang, while other regions will see light rain and local moderate rain [5][6] Group 2 - The cold wave affecting central and eastern China is moving southward, with notable temperature declines reported in various provinces including Fujian, Jiangxi, and Guangdong [2] - On February 9, temperatures in central and eastern Yunnan are expected to begin rising again after the cold air mass passes [1] - The detailed weather forecast for the next three days includes cloudy to sunny conditions in most areas, with specific regions experiencing light rain or snow [5][6]