Birdwatch Note Rating
2024-11-26 11:34:22 UTC - HELPFUL
Rated by Participant: 435596457CEE7CA8716F07773ECEE703336C16780268B8B4CE52245DE3DDC467
Participant Details
Original Note:
Persistent contrails occur when the humidity of the atmosphere is high, and the contrail ice particles continue to grow by taking up water from the surrounding atmosphere. These can extend for large distances and may last for hours. https://www.faa.gov/sites/faa.gov/files/regulations_policies/policy_guidance/envir_policy/contrails.pdf Persistent contrail photos through history: https://contrailscience.com/contrail-photos-through-history/
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