GB/T 19202-2003

This standard defines the terminology and classification criteria for tropical cyclones, including terms like tropical depression, tropical storm, typhoon, and super typhoon based on wind speed thresholds. It is applied in meteorology, weather forecasting, disaster management, and scientific research within China to ensure consistent communication and data comparison across agencies and publications. The standard supports operational warnings, risk assessment, and international coordination for cyclone monitoring in the Western North Pacific and South China Sea regions.