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Cloud Vortices Near Antarctica

March 31st, 2009 Category: Clouds

Antarctica - March 25th, 2009

Antarctica - March 25th, 2009

A large cloud vortex with a tight spiral is visible off the coast of Antarctica. Many other vortices can be seen forming to the north of it. These are not as well-formed, but still create swirled patterns in the white blanket of clouds.

A vortex is a spinning, often turbulent, flow of fluid, which can be seen in the spiraling motion of air or liquid around a center of rotation. The speed and rate of rotation are greatest at the center, and decrease progressively with distance from the center. Turbulent flow makes many vortices.

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