Mountain Wave

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They can also be caused by the surface wind blowing over an '''[[escarpment]]''' or '''[[plateau]]''', or even by upper winds deflected over a thermal updraft or cloud street. They can also be caused by the surface wind blowing over an '''[[escarpment]]''' or '''[[plateau]]''', or even by upper winds deflected over a thermal updraft or cloud street.
-----+== '''Reference''' ==
-Reference 
*Wikipedia ''Lee wave'' [http://en.wikipedia.org/wiki/Mountain_wave] *Wikipedia ''Lee wave'' [http://en.wikipedia.org/wiki/Mountain_wave]

Revision as of 17:12, 8 May 2011

A wave in the atmosphere caused by a barrier, such as a mountain. Sometimes it is marked by lenticular clouds to the lee side of mountain barriers. May be called a standing wave or a lee wave.

They are periodic changes of atmospheric pressure, temperature and orthometric height in a current of air caused by vertical displacement, for example orographic lift when the wind blows over a mountain or mountain range.

They can also be caused by the surface wind blowing over an escarpment or plateau, or even by upper winds deflected over a thermal updraft or cloud street.

Reference

  • Wikipedia Lee wave [1]

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