Birdwatch Note Rating
2024-11-27 10:52:04 UTC - HELPFUL
Rated by Participant: E23374E04DD1B97ED5E4BE68F56CD25AE5DE53DD2A35410552EB191262FC21A1
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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