Birdwatch Note Rating
2024-10-15 12:31:31 UTC - HELPFUL
Rated by Participant: 98199E99A8D7037240383318492A52AE67600271AB62CDB70912294DB69403B5
Participant Details
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
All Note Details