Birdwatch Note Rating
2024-11-05 13:45:13 UTC - HELPFUL
Rated by Participant: DD0FA0B4ABE36725AB8DF84667D1B53D794396D509677859DB66EFAAB930B019
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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