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Vortex Streets by Canary Islands and Dust Off Mauritania

26.8N 17W

April 18th, 2013 Category: Clouds, Dust Storms

Mauritania – April 17th, 2013

The interesting paisley swirled cloud patterns southwest of the Canary Islands are Kármán vortex streets. In fluid dynamics, these are repeating patterns of swirling vortices caused by the unsteady separation of flow of a fluid around blunt bodies – in this case, the islands of the archipelago. Visible in the lower part of the image is the Bay of Arguin, in Mauritania, and a light veil of dust blowing off the coast.

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