Thats really beautiful... about 6 months ago my daughter and I saw something similar, we even pulled off the highway to look at it... the clouds we had were a one biggish, thicker cloud and light clouds just above it, which gave it the illusion that it was exploding out of the big cloud.. and typical me didnt have the camera with me =( but it made it in the local paper..
Hey, I remember seeing one of those! Maybe it was the same one Jacquie mentioned, although I didn't realise it made the paper... it was only small though... maybe I just caught the end of it. I wondered what would cause something like that...
...and the answer you have figured out just shortly was:
When cirrus clouds are at about 20,000 feet, when the sun shines on them at about 58 degrees, and there are correct numbers of ice crystals in the clouds...did i remember it correctly? =P
I would rather live my life as if there is a God and die to find out there isn't, than live my life as if there isn't and die to find out there is.
Albert Camus
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I just thought this was cool & some of you might enjoy it ;o)
Fire Rainbow.