Natural Phenomenon

A natural phenomenon is not an engineered event manufactured by humans, although it may affect them. Common examples of natural phenomena include sunrise, the weather, decomposition, free fall and erosion. Most natural phenomena, such as fog, are relatively harmless so far as humans are concerned. 

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In meteorology, a cyclone is a large scale air mass that rotates around a strong center of low atmospheric pressure. Cyclones are characterized by inward spiraling winds that rotate about a zone of low pressure.
It is caused by a combination of strong winds driving water onshore and the lower atmospheric pressure in a tropical cyclone. The main effects of tropical cyclones include heavy rain, strong wind, large storm surges at landfall, and tornado.Cyclones have also been seen on extraterrestrial planets, such as Mars and Neptune.
Hurricanes, typhoons and cyclones are all rotating storms spawned in the tropics. As a group, they can be referred to as tropical cyclones. Because of the Coriolis effect, these storms rotate counterclockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere.
The only difference between a hurricane, a cyclone, and a typhoon is the location where the storm occurs. Hurricanes, cyclones, and typhoons are all the same weather phenomenon; we just use different names for these storms in different places. In the Atlantic and Northeast Pacific, the term “hurricane” is used.

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