Birdwatch Note Rating
2025-03-12 20:22:11 UTC - NOT_HELPFUL
Rated by Participant: 1E6C7BD6B716D3DF689AFD8C0EE786B7E296B381792A6BD5D75147CE6DBEEC27
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Original Note:
Aerodynamic contrail When an airfoil decreases air pressure, it also decreases the air's temperature. If the humidity's high, the drop in temperature/pressure can lower the air's temperature past the dew point and form a contrail cloud. The rainbows are ice crystals https://www.boldmethod.com/learn-to-fly/weather/contrails/ https://contrailscience.com/aerodynamic-and-rainbow-contrails/ https://journals.ametsoc.org/view/journals/atsc/72/9/jas-d-14-0362.1.xml
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