condensation trail

Airplane's sky line

A condensation trail is the white streak left in the sky by aircraft flying at high altitude.

Hot exhaust meets cold air, creating ice crystals that form a visible line.

Usually shortened to contrail: The sky was crisscrossed with condensation trails from passing jets.

atmospheric

stratosphere

Second atmospheric layer up

air pressure · weather · climate · wind shear · turbulence · ice crystals · supersaturation · water vapor · cirrus · persistence

visual

streak

Unbroken series

  • ribbonSlender ornamental strip
  • lineContinuous mark or queue
  • plumeOrnamental feather or rising column

white · parallel · crisscross · fading · persistent · spreading · skywriting · pattern · overhead · horizon

formation

ice crystals

Solid water formations

freezing · saturation · droplets · crystallization · moisture · combustion · particles · soot · aerosols · sublimation

aviation

contrail

Aircraft condensation streak

jet · exhaust · engine · high-altitude · plume · wake · turbofan · fuselage · wingtip · vortex

environmental

climate impact

Ecological consequence of conditions

albedo · greenhouse effect · flight tracking · carbon footprint · sustainability · regulation

Opposites
visibility/presence in sky

condensation trailclear sky

Atmosphere without clouds

blue sky · empty sky

physical process

condensation trailevaporation

Liquid turning to gas

vaporization · sublimation · dissipation

source/origin

condensation trailsmoke trail

Visible exhaust residue aloft

Family

condensation, trail, condense, condensed, condenser, condensing, trails, trailed, trailing

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Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G