On Tue, 22 Dec 2009 22:21:46 -0800, Frank Whiteley wrote:


Note my comments to the article about soaring near Oxford when the
persistent contrails filled the southern sky.

Yes, and I remember the discussion on r.a.s about contrails and their
spread-out to form cirrus just after the post-9/11 three day warm period
was reported. IIRC the discussion then was about the effect of contrails
in the soaring areas beneath flight paths out of large US West Coast
airports.


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martin@ | Martin Gregorie
gregorie. | Essex, UK
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