What is a cyclone? what are the two types of cyclone and how do they differ?

A cyclone is a system of winds rotating inward to an area of low atmospheric pressure, with a counterclockwise (northern hemisphere) or clockwise (southern hemisphere) circulation; a depression. The two different cyclones are: Subtropical Cyclone and Tropical Cyclone. The subtropical cyclone's generate more winds, while the tropical cyclone's generate more rain.