Birdwatch Archive

Birdwatch Note Rating

2023-07-10 15:28:59 UTC - HELPFUL

Rated by Participant: 54DFD39A8E8C988F943DFE08B52E25C710623DBB33A026A801B7285BB6718290
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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All Information

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  • helpfulnessLevel - HELPFUL
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