A Circumhorizontal Arc – popularly known as Fire Rainbow – is a rare naturally occurring atmospheric phenomena. The picture was captured on the Idaho / Washington border. The event lasted about 1 hour. Clouds have to be cirrus, at least 20K feet in the air, with just the right amount of ice crystals and the sun has to hit the clouds at precisely 58 degrees. God's handiwork. Beautiful sight! |
Let’s take a closer look at how the rainbow emerges from the sky. |
Finally, a colorful fire rainbow in the sky. |
'Fire Rainbow' - this nickname for the halo appears to have been coined by a journalist after the great 2006 Spokane display. The halo is not a rainbow and has nothing to do with fire. Click here to find out more about the science of Circumhorizontal Arc (Fire Rainbow). |
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