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Explain about cyclones?

A cyclone is a large tropical storm caused by winds rotating around a central area of low atmospheric pressure.This central area is called eye of the cyclone.Cyclones develops over the warm moist waters of Atlantic and Pacific oceans.Several small thunderstorms merge to form one cyclone.Cyclones are known by different names countries.They are called hurricanes in USA,typhoons in China,Japan and Philippines and tropical cyclones in India. Cyclones develop over warm seas near the Equator.Air heated by the sun rises very swiftly,which creates areas of very low pressure.As the warm air rises,it becomes loaded with moisture which condenses into massive thunderclouds.Cool air rushes in to fill the void that is left,but because of the constant turning of the Earth on its axis, the air is bent inwards and then spirals upwards with great force.The swirling winds rotate faster and faster, forming a huge circle.As the cyclone builds up it begins to move.