Social Sciences, asked by rajaryan85, 1 year ago


. Bibliography on cyclone ​

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Answered by piyushsingh81255
17

Cyclone, any large system of winds that circulates about a centre of low atmospheric pressure in a counterclockwise direction north of the Equator and in a clockwise direction to the south. Cyclonic winds move across nearly all regions of the Earth except the equatorial belt and are generally associated with rain or snow. Also occurring in much the same areas are anticyclones, wind systems that rotate about a high-pressure centre. Anticyclones are so called because they have a flow opposite to that of cyclones—i.e., an outward-spiralling motion, with the winds rotating clockwise in the Northern Hemisphere and counterclockwise in the Southern. These winds are usually not as strong as the cyclonic variety and commonly produce no precipitation

The word cyclone is also used colloquially to refer to much smaller rotating phenomena, such as tornadoes and dust devils—which may, in fact, rotate in an anticyclonic direction.

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Answered by abiramiragu
4

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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.

 The largest low-pressure systems are polar vortices and extratropical cyclones of the largest scale (the synoptic scale).

Warm-core cyclones such as tropical cyclones and subtropical cyclones also lie within the synoptic scale.

Mesocyclones, tornadoesand dust devils lie within the smaller mesoscale. Upper level cyclones can exist without the presence of a surface low, and can pinch off from the base of the tropical upper tropospheric trough during the summer months in the Northern Hemisphere.

Cyclones have also been seen on extraterrestrial planets, such as Mars and Neptune.Cyclogenesis describes the process of cyclone formation and intensification.

Extratropical cyclones begin as waves in large regions of enhanced mid-latitude temperature contrasts called baroclinic zones. These zones contract and form weather fronts as the cyclonic circulation closes and intensifies.

Later in their life cycle, extratropical cyclones occlude as cold air masses undercut the warmer air and become cold core systems.

A cyclone's track is guided over the course of its 2 to 6 day life cycle by the steering flow of the subtropical jet stream.

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