Birdwatch Note Rating
2023-11-11 23:10:10 UTC - HELPFUL
Rated by Participant: B6DD2A1EDEA3C93994AF69007CAA2C95ABB61CFE05A358B80D9A9576DD5D217F
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Original Note:
Contrails form when the warm moist exhaust fumes from an aircraft mixes with the cold ambient air producing ice crystal clouds. The nuclei of some of the ice crystals in a contrail will contain minute products of combustion, but they are essentially ice https://www.gov.uk/government/publications/contrails-and-chemtrails-frequently-asked-questions/contrails#:~:text=Contrails%20form%20when%20the%20warm,but%20they%20are%20essentially%20ice. http://cimss.ssec.wisc.edu/wxwise/class/contrail.html https://scied.ucar.edu/image/multiple-contrails#:~:text=Contrails%20last%20longer%20when%20there,%2Dspreading%2C%20and%20persistent%20spreading.
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