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Definitions of cyclone:

noun: a violent rotating windstorm
noun: (meteorology) rapid inward circulation of air masses about a low-pressure ; circling counterclockwise in the northern hemisphere and clockwise in the southern

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Alternative Terms
kilometre coriolis-force pressure-gradient instability front jet-stream latent-heat condensation precipitate moisture hurricane storm wind synoptic atmospheric-pressure low vorticity convergent-evolution precipitation depression-wordnet tropical-cyclone coriolis-effect vilhelm-bjerknes polar-front anticyclone tornado typhoon northern-hemisphere southern-hemisphere cyclone-disambiguation barents-sea february-27 1987 meteorology earth-s-rotation spiral clockwise-3 earth mars neptune-planet cyclogenesis baroclinity occluded-front air-mass density list-of-meteorological-phenomena temperature humidity thunderstorm severe-weather squall-line-4 dry-line warm-front-2 stratus-cloud fog geographical-pole tropical-cyclogenesis waterspout eye-cyclone high-pressure-area anticyclogenesis mesoscale-convective-system surface-weather-analysis cold-front positive-feedback atmosphere latitude convection troposphere saffir-simpson-hurricane-scale polar-cyclone polar-low extratropical-cyclone subtropical-cyclone mesocyclone weather ross-ice-shelf mesoscale-meteorology isobar gradient dew-point barotropic subtropical-storm-andrea 2007-atlantic-hurricane-season national-hurricane-center celsius fahrenheit cyclone-catarina south-atlantic-tropical-cyclone international-space-station march-26 2004 flood rain upper-atmosphere water-vapor nor-easter european-windstorm tropics huracan

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