subtropical cyclone

[ suhb-trop-i-kuhl sahy-klohn ]

noun

, Meteorology.

1. a cyclonic system with intense thunderstorm activity that develops when the cold core of an extratropical cyclone becomes heated over warm ocean waters: a subtropical cyclone that remains over warm water for several days may become a tropical cyclone.

Word History and Origins

Origin of subtropical cyclone¹

First recorded in 1895–1900