I live by an airport, and looking up today I noticed a bunch of contrails hanging out when they normally just vaporize.. I understand that there’s probably differences in temperature/air pressure involved but we’ve had some consistent weather the past few weeks and they’ve been hit and miss. what’s happening?
In: 7
If the air is cold enough and humid enough for visible condensation of water vapour in the engine exhaust to freeze before it evaporates, then the contrail persists until its ice crystals disperse or sublime back into water vapour. Otherwise, the condensation quickly evapourates and disappears.
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