Tilted Forum Project Discussion Community - "Fire" Rainbow (Rare Atmospheric Phenomenon

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"Fire" Rainbow (Rare Atmospheric Phenomenon - Picture)

From Wikipedia...

Quote:

A circumhorizontal arc, also known as a fire rainbow, is an optical phenomenon similar in appearance to a rainbow, caused by the refraction of light through the ice crystals in cirrus clouds. It occurs only when the sun is high in the sky, at least 58° above the horizon, and can only occur in cirrus clouds.

The phenomenon is quite rare because the ice crystals must be aligned horizontally (instead of the more typical vertical alignment) to reflect. It is often thought of as the rarest natural occurrence in the world.

One particularly fine example was photographed over northwestern Idaho on June 3, 2006, and was reported in both the New Scientist and the Daily Mail (the latter under the caption "flaming rainbow").

http://upload.wikimedia.org/wikipedi...nbowClouds.jpg

Some more shots...

http://upload.wikimedia.org/wikipedi...onArcIdaho.jpg

http://img.photobucket.com/albums/v7...X/DSCN5024.jpg

http://img.photobucket.com/albums/v7...X/DSCN5023.jpg

A gallery of a bunch more which I couldn't hotlink: http://www.atoptics.co.uk/halo/chaim0.htm

Pretty cool!

Huh, never heard of such a thing, thanks for the photos!

Looks friggin amazing.

Better than the Aurora?

wow! that first picture looked amazing!

SecretMethod70, these are awesome! I'm becoming a real fan!

these are really super. i love the fact that there are people like you in the world who find these things on the internet and feel the need to share it. it's absolutely awesome...cos me, being the lazy person that i am really appreciate that people like you, take the time to do such things. whereas i, just use the internet basically to tfp, google and chat:shy:

my mother lives in Sokane and actually saw this.....sent me the pics last summer!!!......................xoxoxoo

That first pic is incredible. The rest don't do it justice, but they are still awesome pics.

well, keep in mind that the first pic is probably enhanced to draw out the details of the effect. The rest are probably more in line with what the naked eye sees.

Quote:

Originally Posted by SecretMethod70

well, keep in mind that the first pic is probably enhanced to draw out the details of the effect. The rest are probably more in line with what the naked eye sees.

That didn't even cross my mind, haha. <_<

I live on the coast, and see these from time to time when a rainbow forms betwen my location and high altitude cloud over the sea.

Rare, but beautiful.