Awesome Cloud Over Uruguay

I’ve never seen a cloud like this before, have you? Pretty awesome!
~Eowyn

6 Jan 2010
Photographer Daniela Eberl took this snap at Las Olas Beach in Maldonado, Uruguay.

Photographer Daniela Eberl took this snap at Las Olas Beach in Maldonado, Uruguay. Photo: NATIONAL NEWS

This amazing picture shows a rare phenomenon called a roll cloud which tend to form ahead of a cold front and can stretch for miles.
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.
Although it looks like a sideways tornado, these clouds cannot become one.

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EowynH.Joan Recent comment authors
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Joan
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The cloud is so beautiful! I have never seen such a cloud before either.

H.
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H.

Beautiful! (but I’ll bet we’ll soon see lots of comments here by folks certain it was caused by aliens!

H.
Guest
H.

(obviously spinning and travelling very fast, having just abducted three cows, a fencepost, and a small dog from a nearby farm ??) !
:-p