Wednesday, March 24, 2010

NASA MODIS: Image Aluetian Islands Cloud Formation

Unusual cloud formations are seen over the Aleutian Islands in this image captured by the MODIS on NASA's Aqua satellite.

Turbulence, caused by the wind passing over the highest points of the islands, produces pronounced eddies that swirl the clouds into a pattern called a vortex "street". The clouds have aligned in parallel rows or streets

Picture: AP / NASA

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