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Great green 2004-03-22 10:30

Beautiful shot of a beautiful Lenticular Clouds formation.
Lenticular clouds are usually found in mountainous area (is Yakima valley a mountainous area?) and more rarely by the sea.
They are form by undulatory current. The cloud gets this lunticular shape when many layers of air of different moisture are superposed.
The clouds offer to the wind a wing shape edge. This cause the base to quite high (about 3Km) and the thickness to be thousand meters high. The clouds can be 100 Km deep and can span over few hundreds of kilometers.

Old 03-22-2004, 06:51 PM
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Default To green: Lenticular Clouds

Romain, thanks for the information regarding Lenticular clouds. These are things that I know I learned in school but have long since forgotten. VERY INTERESTING! There are hills surrounding the Yakima Valley that reach between 2000 and 3000 feet in height. The upper Yakima Valley (about 15 miles to the west of here) is where the east edge of the Cascade mountain range is. The Cascades reach well over 14,000 feet in places so we are not too far from mountainous areas. Thanks again and God's best to you! Tim
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