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mountainado


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A vertical vortex, usually associated with intense katabatic winds. It is suggested that irregularities in the topography may cause the horizontal vorticity associated with the normal, vertical wind shear to turn vertically, in a manner similar to the way in which the intense updraught in a supercell thunderstorm causes a horizontal vortex to become a pair of counter-rotating vertical vortices, leading to the formation of a tornado.

Subjects: Meteorology and Climatology.


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