Birdwatch Note Rating
2024-10-15 13:10:14 UTC - HELPFUL
Rated by Participant: 3CB21EC6B36220F9581738587B27CCFE53FB1BFA775EA1A92C07BC870B275790
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Original Note:
This often posted Air Canada flight shows an aerodynamic contrail. It forms at a precise combination of pressure/temp/RH. The conditions change gradually, but there is an exact point where the formation will cease. https://opensky.ucar.edu/islandora/object/articles:16921 https://www.researchgate.net/publication/225001396_Aerodynamic_Contrails_Phenomenology_and_Flow_Physics http://ui.adsabs.harvard.edu/abs/2013ACP....1310847G/abstract
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