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To: granite
I can't reconcile the "Corkscrew Effect". I have not seen other contrails (or photos of contrails) with this phenonenom. I'm willing to have an open mind on this, and I believe that the simplest explanation is usually the correct one, but not always?

Compressed camera zoom, angle, and wind all combined to give that look.

I live in the Albuquerque area. Just this last Saturday, I was driving around and watching the skies (and the road). To my east were the Sandia Mountains. They top out just over 10,000 feet. We were getting winds to the east of the mountains, but west was fairly calm.

Just above the mountains, there was a contrail from a west-bound jet. Given the winds from the weather east of the mountains, the contrail was spreading more rapidly than normal, and the effect was to give it a cork-screw look. I wish I'd had a camera with me.

85 posted on 11/23/2010 11:53:33 AM PST by IYAS9YAS (Liberalism can be summed up thusly: someone craps their pants and we all have to wear diapers)
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To: IYAS9YAS
It is certainly the most believable explanation, but I sure would like to see the spectral analysis.
95 posted on 11/23/2010 12:54:46 PM PST by granite (The tree of liberty must be refreshed from time to time with the blood of patriots and tyrants. - TJ)
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