Parameter Tree:
EARTH SCIENCE > HUMAN DIMENSIONS > NATURAL HAZARDS > TROPICAL CYCLONES > SEVERE TROPICAL CYCLONES

Definition:
A severe tropical cyclone in the North Indian Ocean.

Reference:
Neumann, C.J. (1993): "Global Overview" - Chapter 1" Global Guide to Tropical Cyclone Forecasting, WMO/TC-No. 560, Report No. TCP-31, World Meteorological Organization; Geneva, Switzerland.