: A pre-existing weather disturbance triggers the initial rising of warm air.

Tropical cyclones act like giant heat engines, requiring specific conditions to develop:

: The Earth's rotation causes the storm to spin— counterclockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere.

An informative article on —large-scale weather systems characterized by low atmospheric pressure and rotating winds—covers their formation, their immense destructive power, and their role in Earth's climate system. What is a Cyclone?