What do you get when you put a cold atmosphere, jet engines and a heavy Boeing 747-8 together? This! A violently twisting and turning contrail. As the water vapor produced in the engines combustion chambers meets the cold atmosphere, it instantly condenses into water droplets (if its cold enough, the vapor will change directly into ice crystals in a process called deposition) thereby creating a contrail (condensation trail). As the contrail meets the powerful but invisible wingtip vortices of a Lufthansa Boeing 747-8, it makes them visible and the result is amazing. From Porto to Paris Orly in Airbus A319 CS-TTH looking out for wake turbulence.
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