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May 19, 2008

Rainbow without Rain

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Q:  I noticed a cloud that looked like a rainbow but it wasn't raining. 

A:  Most clouds are made of millions of water drops. In your case, the cloud was thin enough for light to pass but not full of enough raindrops to produce rainfall.  The raindrops refracted (or bent) the light producing a rainbow without rainfall.

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I saw the same thing today but clouds would pass by but the rainbow was in the same spot. The color would change and it stayed for about 15 minutes is this possible?

I was walking across the parking lot to enter my workplace today and saw the strangest thing. A huge rainbow without rain. It was an even more colorful rainbow than when it rains. I probably saw a once in a lifetime event today. All I could do was smile.

IT IS CALLED A CIRCUMHORIZON ARC!!! VERY BEAUTIFUL... ALSO KNOWEN AS A FIRE RAINBOW

where does circumhorizon arc's occur...I live in Wyoming and have seen these more than once.....Very interesting.....Deb in Wyoming

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