Birdwatch Note Rating
2024-05-02 10:05:56 UTC - HELPFUL
Rated by Participant: 3E5730D42E6D9B7364E09B91B23CBCF7A57279832D4B628268735B879603D0DD
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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