tropical cyclone

Definition from Wiktionary, the free dictionary
Jump to: navigation, search


Three tropical cyclones of the 2006 Pacific typhoon season at different stages of development. The weakest (left), a tropical depression, demonstrates only the most basic circular shape. A stronger storm (top right) demonstrates spiral banding and increased centralization, while the strongest (lower right), a typhoon, has developed an eye.


tropical cyclone (plural tropical cyclones)

  1. (in the broad sense) rapidly rotating storm system characterized by a low-pressure center, strong winds, and a circular/spiral arrangement of thunderstorms that produce heavy rain, ranging in increasing strenghth from tropical depression over tropical storm to hurricane and typhoon
  2. (in the narrow sense) typhoon, hurricane



See also[edit]