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?
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Contrails form when hot water vapor from an airplane engine mixes with cold air in the sky. Sometimes the air is just the right temperature and humidity for contrails to stay in the sky for a long time. Other times, the air is not as humid and the contrails quickly disappear.
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