Just in case you need some more info:
http://hugo.atmos.colostate.edu/tutorial.html
http://cyclone.atmos.uiuc.edu/MM5/Talk/sld001.htm

Some nice diagrams included.
Declan


"Charles M. Kozierok" wrote in message
...
In article ,
Perry wrote:
} Hi all,
}
} Can someone explain to me what gravity waves are?

During the storm I was in a chat room with my friend Eric M who is a met
and I saw the patterns show up on the radar in this area. I asked him
and he showed me a great graphic that I wish I could find.

A quickie "lay" explanation is that the air passing up over the
mountains causes turbulence that sets up a sinusoidal wave in the
atmosphere. The "ripples" are caused by this wave pattern... you can see
it on satellite loops during nice weather more easily. We get them all
the time around here, but I can't ever recall seeing them that
well-defined before during a storm..

peace,

-*-
charles


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