Birdwatch Note Rating
2024-10-18 10:19:10 UTC - HELPFUL
Rated by Participant: 713F3A8B7B237082C47D15B568AFC973A277E89063DAA4C43471F87F02A4A745
Participant Details
Original Note:
At 30-40k feet air temperatures range from −40 to −70F (−40 to −57C) https://www.britannica.com/science/temperature-stress When the humidity of the atmosphere is high, the contrail ice particles continue to grow by taking up water from the surrounding atmosphere. These contrails 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
All Note Details