subtropical cyclone

American

[suhb-trop-i-kuhl sahy-klohn] / ˈsʌbˈtrɒp ɪ kəl ˈsaɪ kloʊn /

noun

Meteorology.

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.

Etymology

Origin of subtropical cyclone

First recorded in 1895–1900

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The National Weather Service has issued a flood watch for the entire state through Thursday as a kona low, or subtropical cyclone, west of the island chain generated moist and humid conditions.

From Seattle Times • Nov. 29, 2023

Uruguay has been hit by strong winds and high waves as a subtropical cyclone swept through the South American nation.

From BBC • May 18, 2022

The strong storms in recent days were caused by the passage of a subtropical cyclone originated over the Atlantic Ocean.

From Seattle Times • Dec. 11, 2021

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023