poz Posted April 29, 2018 Share Posted April 29, 2018 2 Quote Link to comment Share on other sites More sharing options...
poz Posted April 29, 2018 Author Share Posted April 29, 2018 This remained for 3 hours. Quote Link to comment Share on other sites More sharing options...
admin (Simon W) Posted April 29, 2018 Share Posted April 29, 2018 Possible: Vapour trails from different planes passing in the same airspace drifting with the wind.. (Major airway?) SW Quote Link to comment Share on other sites More sharing options...
alan_k Posted April 29, 2018 Share Posted April 29, 2018 That would be my assumption also. We used to get many criss-crossed patterns in central France that could remain for a long time if the weather was calm. Quote Link to comment Share on other sites More sharing options...
Casper Posted April 29, 2018 Share Posted April 29, 2018 I can't explain it, but this might be a clue:https://en.wikipedia.org/wiki/Orographic_lifthttps://en.wikipedia.org/wiki/Wave_cloudhttps://en.wikipedia.org/wiki/Lee_wavehttps://en.wikipedia.org/wiki/Morning_Glory_cloud 3 Quote Link to comment Share on other sites More sharing options...
Tready Posted July 2, 2019 Share Posted July 2, 2019 It's a bar code - 10% discount at Aldi. 3 Quote Link to comment Share on other sites More sharing options...
Sanjeev.Nanda Posted March 26, 2020 Share Posted March 26, 2020 On 30/04/2018 at 04:05, Casper said: I can't explain it, but this might be a clue:https://en.wikipedia.org/wiki/Orographic_lifthttps://en.wikipedia.org/wiki/Wave_cloudhttps://en.wikipedia.org/wiki/Lee_wavehttps://en.wikipedia.org/wiki/Morning_Glory_cloud I have seen these clouds while flying once. I googled them immediately after getting back. You seem to be on the money over here, Casper. Thumbs Up! Quote Link to comment Share on other sites More sharing options...
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