Cyclone

:This article is about the meteorological phenomenon. For other uses of the term see Cyclone (disambiguation).

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In meteorology, a cyclone is the rotation of a volume of air about an area of low atmospheric pressure. Cyclones are responsible for a wide variety of different meteorological phenomena such as typhoons, hurricanes and tornadoes. Because of this, most weather forecasters avoid using the term cyclone without a qualifying term.

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The center of a cyclone is a low-pressure region. Pressure gradient force, from high- to low-pressure regions, causes high winds around these regions. Wind flow around a large cyclone is almost invariantly anticlockwise, in the northern hemisphere, and clockwise, in the southern hemisphere, due to the Coriolis effect. Large anticyclonic storms are extremely rare on Earth, though Jupiter's Great Red Spot storm is anticyclonic.

Meteorological phenomena: REDIRECT List of meteorological phenomena...

Typhoons: Redirect Pacific typhoon...

Hurricanes: REDIRECT Tropical cyclone...

Cyclone related Images and Photos (experimental)

Cyclone	Cyclone Coney Island	Texas Cyclone	Texas Cyclone 1932
Neko Case: Middle Cyclone CD	Neko Case: Middle Cyclone CD	Monster Jam Grave Digger Cyclone Spinner RC Vehicle