At 3:30 pm on November 23, the Guoluo Meteorological Observatory issued a yellow warning for a cold wave: it is expected that from 4:00 pm on November 23 to 4:00 pm on November 26, there will be a cold wave weather in the northern areas of Maqin, Maduo, and Gande. The temperature will drop by more than 8 ℃ cumulatively, and locally can reach more than 10 ℃. From the 24th to the 25th, there will be 5-6 level northwest winds in the whole state, with gusts of up to 8 level or above. There will be light snow throughout the state from the night of the 23rd to the day of the 24th. Cooling, snowfall, and blowing weather have certain impacts on agricultural and animal husbandry production, energy supply, road traffic, urban operation, and public health. Please take precautions. Defense guidelines: 1. The government and relevant departments should carry out emergency work to prevent cold waves according to their responsibilities; 2. Individuals should pay attention to adding clothes to keep warm and try to minimize going out; 3. Take measures to prevent cold in agriculture, forestry, animal husbandry, and animal husbandry.