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- Cyclone abstract "In meteorology, a cyclone is an area of closed, circular fluid motion rotating in the same direction as the Earth. This is usually characterized by inward spiraling winds that rotate counterclockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere of the Earth. Most large-scale cyclonic circulations are centered on areas of low atmospheric pressure. The largest low-pressure systems are cold-core polar cyclones and extratropical cyclones which lie on the synoptic scale. According to the National Hurricane Center glossary, warm-core cyclones such as tropical cyclones and subtropical cyclones also lie within the synoptic scale.Mesocyclones, tornadoes and 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 form as waves in large regions of enhanced mid-latitude 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.Tropical cyclogenesis describes the process of development of tropical cyclones. Tropical cyclones form due to latent heat driven by significant thunderstorm activity, and are warm core. Cyclones can transition between extratropical, subtropical, and tropical phases under the right conditions. Mesocyclones form as warm core cyclones over land, and can lead to tornado formation. Waterspouts can also form from mesocyclones, but more often develop from environments of high instability and low vertical wind shear. In the Atlantic and the northeastern Pacific oceans, a tropical cyclone is generally referred to as a hurricane (from the name of the ancient Central American deity of wind, Huracan), in the Indian and south Pacific oceans it is called a cyclone, and in the northwestern Pacific it is called a typhoon.".
- Cyclone thumbnail Low_pressure_system_over_Iceland.jpg?width=300.
- Cyclone wikiPageExternalLink index.html.
- Cyclone wikiPageExternalLink cyclone.videohq.tv.
- Cyclone wikiPageExternalLink emdat.be.
- Cyclone wikiPageExternalLink cyclogenesis.html.
- Cyclone wikiPageExternalLink cyclolysis.html.
- Cyclone wikiPageExternalLink A1.html.
- Cyclone wikiPageExternalLink 7s.html.
- Cyclone wikiPageExternalLink wf261103.htm.
- Cyclone wikiPageID "42806".
- Cyclone wikiPageLength "40106".
- Cyclone wikiPageOutDegree "176".
- Cyclone wikiPageRevisionID "683647931".
- Cyclone wikiPageWikiLink Air.
- Cyclone wikiPageWikiLink Air_mass.
- Cyclone wikiPageWikiLink Anti-cyclone.
- Cyclone wikiPageWikiLink Anticyclogenesis.
- Cyclone wikiPageWikiLink Anticyclone.
- Cyclone wikiPageWikiLink Atmosphere.
- Cyclone wikiPageWikiLink Atmosphere_of_Earth.
- Cyclone wikiPageWikiLink Atmosphere_of_Jupiter.
- Cyclone wikiPageWikiLink Atmospheric_circulation.
- Cyclone wikiPageWikiLink Atmospheric_pressure.
- Cyclone wikiPageWikiLink Baroclinic.
- Cyclone wikiPageWikiLink Baroclinity.
- Cyclone wikiPageWikiLink Barotropic.
- Cyclone wikiPageWikiLink Barotropic_fluid.
- Cyclone wikiPageWikiLink Category:Basic_meteorological_concepts_and_phenomena.
- Cyclone wikiPageWikiLink Category:Tropical_cyclone_meteorology.
- Cyclone wikiPageWikiLink Category:Types_of_cyclone.
- Cyclone wikiPageWikiLink Category:Vortices.
- Cyclone wikiPageWikiLink Category:Weather_hazards.
- Cyclone wikiPageWikiLink Centre_for_Research_on_the_Epidemiology_of_Disasters.
- Cyclone wikiPageWikiLink Clockwise.
- Cyclone wikiPageWikiLink Clockwise_and_counterclockwise.
- Cyclone wikiPageWikiLink Cold-core_low.
- Cyclone wikiPageWikiLink Cold_front.
- Cyclone wikiPageWikiLink Condensation.
- Cyclone wikiPageWikiLink Contra_solem.
- Cyclone wikiPageWikiLink Convection.
- Cyclone wikiPageWikiLink Coriolis_effect.
- Cyclone wikiPageWikiLink Coriolis_force.
- Cyclone wikiPageWikiLink Counterclockwise.
- Cyclone wikiPageWikiLink Cum_sole.
- Cyclone wikiPageWikiLink Cumuliform_cloud.
- Cyclone wikiPageWikiLink Cumulus_cloud.
- Cyclone wikiPageWikiLink Cumulus_clouds.
- Cyclone wikiPageWikiLink Cyclogenesis.
- Cyclone wikiPageWikiLink Cyclone_Gonu.
- Cyclone wikiPageWikiLink Cyclone_Wilma.
- Cyclone wikiPageWikiLink Density.
- Cyclone wikiPageWikiLink Dew_point.
- Cyclone wikiPageWikiLink Drought.
- Cyclone wikiPageWikiLink Dry_line.
- Cyclone wikiPageWikiLink Dust_devil.
- Cyclone wikiPageWikiLink Earths_rotation.
- Cyclone wikiPageWikiLink European_windstorm.
- Cyclone wikiPageWikiLink Extratropical_cyclone.
- Cyclone wikiPageWikiLink Extratropical_cyclones.
- Cyclone wikiPageWikiLink Eye_(cyclone).
- Cyclone wikiPageWikiLink File:Cyclone_Catarina_from_the_ISS_on_March_26_2004.JPG.
- Cyclone wikiPageWikiLink File:Low_pressure_system_over_Iceland.jpg.
- Cyclone wikiPageWikiLink Flood.
- Cyclone wikiPageWikiLink Fog.
- Cyclone wikiPageWikiLink Force.
- Cyclone wikiPageWikiLink Gas_giant.
- Cyclone wikiPageWikiLink Geographical_pole.
- Cyclone wikiPageWikiLink Gradient.
- Cyclone wikiPageWikiLink Gradients.
- Cyclone wikiPageWikiLink Great_Dark_Spot.
- Cyclone wikiPageWikiLink Great_Red_Spot.
- Cyclone wikiPageWikiLink Hail.
- Cyclone wikiPageWikiLink High-pressure_area.
- Cyclone wikiPageWikiLink High-pressure_system.
- Cyclone wikiPageWikiLink Humidity.
- Cyclone wikiPageWikiLink Huracan.
- Cyclone wikiPageWikiLink Hurricane.
- Cyclone wikiPageWikiLink Hurricane_Dean.
- Cyclone wikiPageWikiLink Hurricane_Dean_(2007).
- Cyclone wikiPageWikiLink Jet_stream.
- Cyclone wikiPageWikiLink Latitude.
- Cyclone wikiPageWikiLink Latitudes.
- Cyclone wikiPageWikiLink List_of_meteorological_phenomena.
- Cyclone wikiPageWikiLink Low-pressure_area.
- Cyclone wikiPageWikiLink Low-pressure_system.
- Cyclone wikiPageWikiLink Mars.
- Cyclone wikiPageWikiLink Mesocyclone.
- Cyclone wikiPageWikiLink Mesocyclones.
- Cyclone wikiPageWikiLink Mesoscale_Convective_System.
- Cyclone wikiPageWikiLink Mesoscale_convective_system.
- Cyclone wikiPageWikiLink Mesoscale_meteorology.
- Cyclone wikiPageWikiLink Meteorological_phenomenon.
- Cyclone wikiPageWikiLink Meteorology.
- Cyclone wikiPageWikiLink National_Hurricane_Center.
- Cyclone wikiPageWikiLink Neptune.
- Cyclone wikiPageWikiLink Noreaster.
- Cyclone wikiPageWikiLink Northern_Hemisphere.
- Cyclone wikiPageWikiLink Occluded_front.
- Cyclone wikiPageWikiLink Polar_front.