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one of earth’s rad enigmas, lenticular clouds are stationary, lens-shaped clouds that form at high altitudes where stable moist air flows over a mountain or a range of mountains. their characteristic lens-shape forms a smooth saucer-like silhouette that often reflects bright colors along their edges. because of their unusual and particular shape, they’ve often been mistaken for (or been used to explain away) ufo sightings.

sources:
http://en.wikipedia.org/wiki/lenticular_cloud
http://www.crystalinks.com/lenticular.html
flickr for pictures

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tThis was posted 2 years ago
zThis has been tagged with clouds, nature, lenticular clouds,