From the summit ridge of Mt....

From the summit ridge of Mt. Princeton 6/26/05. Clouds were billowing up the ridge between Princeton and the unofficial "Tigger Peak." Once they would reach the crest the wind from the west would kick them back down into the Arkansas River valley.


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Larry V

Larry V - Aug 28, 2005 6:19 pm - Hasn't voted

interesting weather effect...

I saw this same, fascinating weather effect last summer on Bushnell Peak. I'll probably expose my meteorological ignorance here, but I'm sure the effect must be related to the observation that winds on the high peaks are almost always upslope winds during the daytime, no matter what side of a mountain you are on.

Bob Bolton

Bob Bolton - Dec 3, 2005 1:12 am - Hasn't voted

Re: interesting weather effect...

Out here in the Pacific Northwest we experience this sort of phenomenon quite often. In our case it is often the result of the Cascades rain shadow effect which creates rain forests on the west slopes and deserts just east of the range.

However, the photos below suggest yet another explanation of this. We all know that mountains sometimes create their own weather. As cool moist air moves by a mountain, the leeward side can dissipate the clouds rather quickly as the air descends and warms enough to reabsorb the moisture. One of the more striking experiences I've had with this happened on the north ridge of Oregon's Mt. Jefferson. Here are a couple of photos.

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