Birdwatch Note Rating
2024-05-02 08:38:17 UTC - HELPFUL
Rated by Participant: 17BCFC0BE00C5DF348412E663E1ED6AE187D52B461E4B5ECF714B00A7C260901
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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