PPRuNe Forums - View Single Post - sky trails, how are they formed?

7th Nov 2001, 04:13

#4 (permalink)

EGGD

Join Date: Jun 2001

Location: Bristol

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Here just north of Bristol, we quite often get aircraft from LHR or LGW that aren't quite up to altitude, and so go in and out of cold air, so the vapour trails form for a while, and then dissapear again as it goes into a warmer pocket

Great huh?