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Known in the weather world as a circumhorizontal arc ...
The arc isn't a rainbow in the traditional sense—it is caused by light passing through wispy, high-altitude cirrus clouds.
Originally posted by ancientmustytext
What does it meeean???
Originally posted by hope4better
On Friday May 27, I saw this odd Square Rainbow in the Southern WI Sky's. Just to let you know these were taken from my Blackberry Phone cam. I know the quality is not great but its what I had on hand. There was not any major clouds in the sky at the time, but the ones that were there were moving across the sky at a fairly good clip, where as the rainbow seemed stationary. My nephew and my mother also witnessed this rainbow. I found it fairly odd. I went camping for the weekend, and there I met another guy who also had snapped a picture of the odd rainbow, he said he took his from about 15 miles SW from where I took mine. Just wanted to get some thoughts on it...