Birdwatch Note Rating
2024-11-30 15:12:09 UTC - NOT_HELPFUL
Rated by Participant: 52BF725C9F1C135F83FFB4E46C4ECA238BBF9470E10E0120F27840AB80CD4E3B
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 last for hours. https://www.faa.gov/sites/faa.gov/files/regulations_policies/policy_guidance/envir_policy/contrails.pdf Persistent contrail photos from 1991-1940: https://contrailscience.com/contrail-photos-through-history/
All Note Details