hurricane a severe tropical cyclone usually with heavy rains and winds moving a 73-136 knots (12 on the Beaufort scale)
tornado,
twister a localized and violently destructive windstorm occurring over land characterized by a funnel-shaped cloud extending toward the ground
cyclone -
(meteorology) rapid inward circulation of air masses about a low pressure center; circling counterclockwise in the northern hemisphere and clockwise in the southern
anticyclone (meteorology) winds spiraling outward from a high pressure center; circling clockwise in the northern hemisphere and counterclockwise in the southern
atmospheric state,
atmosphere the mass of air surrounding the Earth; "there was great heat as the comet entered the atmosphere"; "it was exposed to the air"
meteorology the earth science dealing with phenomena of the atmosphere (especially weather)
The CYCLONE, was an early computer built in 1959 by Iowa State University, was based on the Institute for Advanced Study (IAS) architecture developed by John von Neumann. As with all computers of its era, it was a one of a kind machine that could not exchange programs with other computers. The name was taken from the Iowa State Cyclones, the nickname for the university's sports teams.
OmegaWiki Dictionary
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cyclone A storm characterized by the converging and rising giratory movement of the wind around a zone of low pressure (the eye) towards which it is violently pulled from a zone of high pressure.
