Birdwatch Note Rating
2023-07-26 08:45:57 UTC - HELPFUL
Rated by Participant: C832C88C3DB0D797BB03653B147171DFC55CFFE6F002232AABA7C51DAA1BD866
Participant Details
Original Note:
The video shows an aerodynamic contrail formed by an Air Canada flight passing over Zurich, Switzerland on 19 June 2023. https://twitter.com/takethatclouds/status/1673977680780308481?s=46&t=iQfDNI2JXYFeEkc7qBrCMQ Aerodynamic contrails are formed by moisture condensing as air temperature and pressure drop over the wing. They stop and start as air humidity changes. https://journals.ametsoc.org/view/journals/atsc/66/2/2008jas2767.1.xml
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