View Full Version : What are Those Colorful, Crazy Clouds in the Sky??

2014-Jun-27, 03:50 PM
My Twitter feed exploded on June 25 with reports of colorful, crazy-looking clouds, sundogs, Sun halos and more. The above image from Nathanial Burton-Bradford is just an example of the type of atmospheric effect called a circumhorizontal arc. These are sometimes referred to as “fire rainbows” but of course are not rainbows at all, and […]

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