Birdwatch Archive

Birdwatch Note Rating

2023-07-10 21:24:20 UTC - HELPFUL

Rated by Participant: FAF5CE115736E745EA6608FA04753DE5755DC6A8C36796E0D37B6EBF073BBCB7
Participant Details

Original Note:

The video shows persistent spreading contrails, which form when aircraft fly through air that is ice-supersaturated - that is, the humidity is too high for ice crystals formed from the aircraft exhaust to sublimate. In these conditions, contrails can last for hours. https://scool.larc.nasa.gov/pdf/Contrail_ID_Chart_English_2013_v18_copy.pdf

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Original Tweet

All Information

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