Birdwatch Note Rating
2024-11-26 12:32:08 UTC - HELPFUL
Rated by Participant: 73A17717C6B26677897DC520120F932556E139F5E435FEBBAD12F88969CA1FAD
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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