Birdwatch Note Rating
2024-10-18 10:01:25 UTC - SOMEWHAT_HELPFUL
Rated by Participant: A9DD05FC1D0C05136982169381544CA4DFDE1EF50269E974C256A70252C7B736
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
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