Definition of Tropical cyclone

Tropical cyclone: A regionally specific name for a strong tropical cyclone in the Southwest Indian Ocean. Other terms for precisely the same type of storm include hurricane (in the North Atlantic Ocean, the Northeast Pacific Ocean east of the dateline, or the South Pacific Ocean east of 160E), typhoon (in the Northwest Pacific Ocean west of the dateline), severe tropical cyclone (in the Southwest Pacific Ocean west of 160E or Southeast Indian Ocean east of 90E), and severe cyclonic storm (in the North Indian Ocean).

See: Hurricane supplies kit.