Traditional Culture Encyclopedia - Weather forecast - What does the yellow warning stand for?
What does the yellow warning stand for?
Early warning signals are generally divided into four levels (IV, III, II and I). According to the severity and urgency of disasters, the colors are blue, yellow, orange and red in turn.
The blue warning signal of cold wave indicates that within 48 hours, the minimum temperature will drop by more than 8℃, the minimum temperature is less than or equal to 4℃, and the average wind power on land can reach more than 5. Or it has dropped by more than 8℃, the lowest temperature is less than or equal to 4℃, and the average wind power reaches more than 5, which may continue.
The orange warning signal indicates that within 24 hours, the minimum temperature will drop by more than 12℃, the minimum temperature will be less than or equal to 0℃, and the average wind power on land will reach above 6. Or it has dropped above 12℃, the lowest temperature is less than or equal to 0℃, and the average wind force is above 6, and it may continue.
Red warning signal said: within 24 hours, the minimum temperature drops above 16℃, the minimum temperature is less than or equal to 0℃, and the average wind power on land reaches above 6; Or it has dropped above 16℃, the lowest temperature is less than or equal to 0℃, and the average wind force is above 6, and it may continue.
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