Difference between revisions of "Jet-effect wind"

From Glossary of Meteorology
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<div class="definition"><div class="short_definition">A local [[wind]] created by [[acceleration]] of the airflow through a gap, constriction, or  channel in a mountain range or between ranges.</div><br/> <div class="paragraph">The acceleration can result from a large-scale [[pressure gradient]], or by Venturi acceleration  through a constricting passage. Pressure gradients from large-scale processes can occur when a large-  scale [[anticyclone]] lies on one side of the barrier, as in the case of canyon or [[Wasatch winds]], or  when a [[cold front]] impinges on a mountain barrier with a gap in it and the cold [[air mass]] forces  its way through the gap, as in the case of the [[tehuantepecer]]. Other jet-effect winds include the  [[d&uuml;senwind]], the [[kossava]], and [[gap winds]]. <br/>''See'' also  [[mountain-gap wind]].</div><br/> </div>
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<div class="definition"><div class="short_definition">A local [[wind]] created by [[acceleration]] of the airflow through a gap, constriction, or  channel in a mountain range or between ranges.</div><br/> <div class="paragraph">The acceleration can result from a large-scale [[pressure gradient]], or by Venturi acceleration  through a constricting passage. Pressure gradients from large-scale processes can occur when a large-  scale [[anticyclone]] lies on one side of the barrier, as in the case of canyon or [[Wasatch winds]], or  when a [[cold front]] impinges on a mountain barrier with a gap in it and the cold [[air mass]] forces  its way through the gap, as in the case of the [[tehuantepecer]]. Other jet-effect winds include the  [[d&#x000fc;senwind]], the [[kossava]], and [[gap winds]]. <br/>''See'' also  [[mountain-gap wind]].</div><br/> </div>
 
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Latest revision as of 14:31, 20 February 2012



jet-effect wind

A local wind created by acceleration of the airflow through a gap, constriction, or channel in a mountain range or between ranges.

The acceleration can result from a large-scale pressure gradient, or by Venturi acceleration through a constricting passage. Pressure gradients from large-scale processes can occur when a large- scale anticyclone lies on one side of the barrier, as in the case of canyon or Wasatch winds, or when a cold front impinges on a mountain barrier with a gap in it and the cold air mass forces its way through the gap, as in the case of the tehuantepecer. Other jet-effect winds include the düsenwind, the kossava, and gap winds.
See also mountain-gap wind.


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