Birdwatch Note Rating
2024-05-02 08:21:11 UTC - HELPFUL
Rated by Participant: 8DDF9508D6FBAC857DE02B354798EFB625C5076C1D4AC359F009645BC4433A27
Participant Details
Original Note:
How long a contrail lasts depends on how dry or how humid the air is. If the air is very dry, they will dissipate quickly. If the air is humid, they will stay where they are. Trails may last for many hours leaving the sky criss-crossed with lines, and mixing with cirrus cloud. https://www.metoffice.gov.uk/weather/learn-about/weather/types-of-weather/clouds/other-clouds/contrails
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