Mountain Wave

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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. 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.
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 +----
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 +Reference
 +*Wikipedia ''Lee wave'' [http://en.wikipedia.org/wiki/Mountain_wave]
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Revision as of 22:25, 2 July 2010

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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