Traditional Culture Encyclopedia - Weather inquiry - Cold wave orange warning is a brief introduction to what level series of cold wave orange warning is.
Cold wave orange warning is a brief introduction to what level series of cold wave orange warning is.
2. Cold wave warning signal refers to the warning signal used by the Central Meteorological Observatory when it issues cold wave disaster warning according to the Measures for Meteorological Disaster Warning issued by the Central Meteorological Observatory. The cold wave warning signal is divided into three levels, which are represented by orange, yellow and blue respectively. The orange warning is not the highest cold wave warning in China.
3. Cold wave is a natural weather phenomenon. Orange warning is the highest level of cold wave warning in China, and it is a weather process in which cold air invades to the south in a large scale, resulting in a large-scale sharp cooling and northerly winds.
4. Early warning standard: It is predicted that in the next 48 hours, the average temperature or minimum temperature in most areas of two or more provinces (autonomous regions and municipalities) will drop by more than 16℃, accompanied by gale of magnitude 6 or above, the average temperature or minimum temperature in the Yangtze River basin and more than half of its north will drop by more than 12℃, and the minimum temperature in the middle and lower reaches of the Yangtze River (spring and autumn in Jianghuai area) will drop to 4.
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