GB/T 20484-2017
ActiveGrade of cold air
冷空气等级
Application Summary AI generated
GB/T 20484-2017 specifies the classification criteria for cold air events based on temperature drop range, duration, and affected area. It is applied in meteorological forecasting and disaster prevention to grade cold air intrusions into categories like strong, moderate, or weak. This standard supports weather services, agricultural planning, and public safety warnings in China.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.