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Thursday, 7. January 2010

Amazing cloud roll captured on camera


They are most common when an advancing storm front causes moist air to rise, then cool to the point where it becomes a cloud known as the dew point.

When this happens along a front, a roll cloud can form, often with air actually circulating along the horizontal axis of the cloud.

Roll-cloud

telegraph.co.uk

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greetz from ps :D

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