Image through this!

Hi Guys, kind of OT - but I watched this contrail distort quite rapidly yesterday. I could not image last night, but I think the condition would have been turbulent anyway!

Paul

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Second photo.

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I'm not a skilled contrail interpreter, but generally I see turbulent skies spread a contrail quickly from a linear shape into a wide smudge. It seems to remain a tight line in your photo. Perhaps it is the pilot and not the atmosphere making this shape?

steady skies,
Alan