Birdwatch Archive

Birdwatch Note Rating

2024-06-01 21:50:55 UTC - HELPFUL

Rated by Participant: 801E16CE6DDF1B3FF90D87E4A75A35C44648E882B1A1995698768CAD78D4B401
Participant Details

Original Note:

At 30k-40k feet, air temperatures range from −40 to −70F (−40 to −57C) https://www.britannica.com/science/temperature-stress Contrails are formed when water vapour and particulates from burning jet fuel freeze into ice crystals. In higher humidity, they persist, and end up creating visible vapour trails over large areas of sky https://www.bbc.com/news/blogs-trending-62240071 https://www.aerosociety.com/news/chemtrails-debunked/

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All Information

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