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Dictionary Meaning and Definition on 'Cyclone'

Cyclone Meaning and Definition from WordNet (r) 2.0
    cyclone n
  1. (meteorology) rapid inward circulation of air masses about a low-pressure center; circling counterclockwise in the northern hemisphere and clockwise in the southern [ant: anticyclone]
  2. a violent rotating windstorm
Cyclone Meaning and Definition from Webster's Revised Unabridged Dictionary (1913)
    Cyclone \Cy"clone\, n.
  1. (Meteor.) In general, a condition of the atmosphere characterized by a central area of pressure much lower than that of surrounding areas, and a system of winds blowing inward and around (clockwise in the southern hemisphere and counter-clockwise in the northern); -- called also a low-area storm. It is attended by high temperature, moist air, abundant precipitation, and clouded sky. The term includes the hurricane, typhoon, and tropical storms; it should not be applied to the moderate disturbances attending ordinary areas of low pressure nor to tornadoes, waterspouts, or ``twisters,'' in which the vertical motion is more important than the horizontal.
  2. A tornado. See above, and Tornado. [Middle U. S.]
Cyclone Meaning and Definition from Webster's Revised Unabridged Dictionary (1913)
    Cyclone \Cy"clone\ (s?"kl?n), n. [Gr.????? moving in a circle, p. pr. of ?????, fr. ky`klos circle.] (Meteor.) A violent storm, often of vast extent, characterized by high winds rotating about a calm center of low atmospheric pressure. This center moves onward, often with a velocity of twenty or thirty miles an hour. Note: The atmospheric disturbance usually accompanying a cyclone, marked by an onward moving area of high pressure, is called an anticyclone.
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Wikipedia Meaning and Definition on 'Cyclone'

In meteorology, a cyclone is an area of closed, circular fluid motion rotating in the same direction as the Earth.

Cyclogenesis describes the process of cyclone formation and intensification. Extratropical cyclones form as waves in large regions of enhanced midlatitude temperature contrasts called baroclinic zones. These zones contract to form weather fronts as the cyclonic circulation closes and intensifies. Later in their life cycle, cyclones occlude as 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 cancer or subtropical jet stream.

Weather fronts separate two masses of air of different densities and are associated with the most prominent meteorological phenomena. Air masses separated by a front may differ in temperature or humidity. Strong cold fronts typically feature narrow bands of thunderstorms and severe weather, and may on occasion be preceded by squall lines or dry lines. They form west of the circulation center and generally move from west to east. Warm fronts form east of the cyclone center and are usually preceded by stratiform precipitation and fog. They move poleward ahead of the cyclone path. Occluded fronts form late in the cyclone life cycle near the center of the cyclone and often wrap around the storm center.

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Words and phrases related to 'Cyclone'

Cyclone Sample Sentences in News

  • Cyclone curtails aerial search for MH370
    Perth (Australia) (AFP) - The aerial search for missing Malaysian Airlines Flight MH370 was suspended Tuesday due to a tropical cyclone, but not before several aircraft had departed on the mission, Australian officials said. Up to 10 military aircraft had been scheduled to fly over the Indian Ocean in hopes of spotting clues as to the fate of the Boeing 777, which Read more on this news related to 'Cyclone'
  • Cyclone alert cancelled for central Queensland
    A cyclone warning for central Queensland has been cancelled, but another cyclone is still threatening the state’s far north, forecasters say.         Read more on this news related to 'Cyclone'
  • Cyclone hits hunt for missing plane
    The aerial search for the missing Malaysia Airlines flight is halted by bad weather as the Bluefin submarine continues to scour the sea floor. Read more on this news related to 'Cyclone'

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