Hurricane or typhoon A hurricane or typhoon -LRB- sometimes simply referred to as a tropical cyclone , as opposed to a depression or storm -RRB- is a system with sustained winds of at least or .

A hurricane or typhoon is a cyclonic weather system with sustained winds of at least NUMBER@1 m/s -LRB- NUMBER@2 kt , NUMBER@3 mph , or NUMBER@4 km/h -RRB- .
