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A rare cloud formation called a mammatus, where clouds take on a  bubble-like shape, appeared in the skies above Regina, Saskatchewan in Canada following a thunderstorm on June 26 [2012 ?], Photo courtesy of Preston Smoke/CBC.CA (Linda)

A rare cloud formation called a mammatus, where clouds take on a bubble-like shape, appeared in the skies above Regina, Saskatchewan in Canada following a thunderstorm on June 26 [2012 ?], Photo courtesy of Preston Smoke/CBC.CA (Linda)

In the eye of the storm: Breath-taking pictures of Midwestern cyclones that capture beauty in chaos

In the eye of the storm: Breath-taking pictures of Midwestern cyclones that capture beauty in chaos

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Tiwi Islands, north of Darwin, Northern Territory, Australia - by this ia an awesome lightening strike.