Birdwatch Note Rating
2024-11-05 10:41:41 UTC - HELPFUL
Rated by Participant: D25A1003EAB2F91B5CC771011008B31837D720915AF17DB77C6E624DB530950D
Participant Details
Original Note:
In supersaturated air, ice crystals in an aircraft’s contrail can't sublimate back into vapour. Instead, they grow as excess moisture condenses onto them, causing the contrail to persist and even expand, forming a visible trail that lasts much longer than in drier air. https://www.metlink.org/fieldwork-resource/contrails/ https://www.globe.gov/web/s-cool/home/observation-and-reporting/contrails/persistent-contrails https://scied.ucar.edu/image/persistent-spreading-contrails
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