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Cyclone

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Cyclones are caused by atmospheric disturbances around a low-pressure area distinguished by swift and often destructive air circulation. Cyclones are usually accompanied by violent storms and bad weather.The air circulates inwards in an anticlockwise direction in the Northern hemisphere whereas in the clockwise in the Southern. 
Cyclone is caused when there atmospheric pressure distribution in which there is a low central pressure relative to the surrounding pressure. The related pressure gradient, combined with the Coriolis effect, causes air to circulate about the core of lowest pressure.


.Near the surface of the earth, the frictional dealing on an air moving over the land or water causes it to spiral gradually inwards towards lower pressures. This inward movement of air is compensated for by rising currents near the center, which are cooled by expansion when they reach the lower pressures of higher altitudes. 
Cyclones happen chiefly in the middle and high latitude belts of both the hemispheres. In Southern Hemisphere, where most of the terrestrial surface is covered by the oceans, cyclones are distributed in a relatively uniform manner. 

Questions: You must include answers to the following questions in contest Video

What is a Cyclones?
How can we stop cyclones?
How does a cyclones occur?
 



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