mountain wave


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mountain wave

[′mau̇nt·ən ‚wāv]
(meteorology)
An undulating flow of wind on the downwind, or lee, side of a mountain ridge caused by wind blowing strongly over the ridge.

mountain wave

mountain waveclick for a larger image
A well-developed mountain wave.
A standing wave or a lee wave on the downwind side of a mountain. Also called a lee wave or a standing wave.
References in periodicals archive ?
When the cold air rushes downhill, it creates a mountain wave, which occurs along the stratified boundary between colder, denser air masses and warmer, more buoyant air masses.
Finally, check out the turbulence page at the Aviation Weather Center, which offers not only AIRMETs and SIGMETs but some excellent graphics for CAT and mountain wave turbulence: https://www.
I have never heard anyone report airspeed changes due to mountain waves.
Visible mountain wave clouds and lenticulars, normally connected with mechanical turbulence, often accompany upper-level CAT.
On those days, I'm glad I didn't have to deal with a mountain wave in the bargain.
The textbooks tell us that we can exit the mountain wave by climbing more than 50 percent above the height of the mountain that caused it, but practical experience suggests that often much more is required, probably due to the mountain wave being strong enough to influence the adjacent air masses.
The area forecast and Airmets the pilot did not receive called for overcast ceilings at 8000 feet with tops at 25,000 and warned of mountain obscuration, moderate turbulence and mountain wave activity.
Prior to Mountain Wave, McDonough was Senior Vice President of Worldwide Sales for Riverbed Technologies, a leader in mobile and wireless computing.
CyberWolf is next generation technology that goes far beyond existing event managers, taking data from multi-sensor, multi-vendor environments and automatically identifying true security incidents in real-time," said Juanita Koilpillai, Mountain Wave chairman and co-founder.

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