subtropical cyclone

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

  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.

Origin of subtropical cyclone

First recorded in 1895–1900

Words Nearby subtropical cyclone Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023