Classification of Tropical Cyclones
NB: Recommended conversion factors between agency estimates of maximum tropical cyclone wind speed given in Table1.2 in Guidelines for converting between various wind averaging periods in tropical cyclone conditions, WMO/TD-No. 1555
Please note that the full information regarding this classification can be found here, in the tropical cyclone operation plan of each of the five regional tropical cyclone bodies.
Last updated: 10 July 2026