contrail: a trail of condensed water vapor formed by jet aircraft flying at high altitudes. This trail is formed by the water vapor added to the air by engine exhaust, as well as particles in the exhaust that act as cloud nuclei.
Contrail (condensation trail) A cloudlike streamer frequently seen forming behind aircraft flying in clear, cold, humid air.
Contrail (or Condensation Trail) - streaks of condensed water vapor created in the air behind aircraft flying in clear, cold, humid air ...
Contrail
(Condensation trail) A cloudlike streamer often seen behind jet aircraft flying in clear, cold, humid air. It is caused by the hot exhaust (largely composed of water) from aircraft engines mixing with the very cold air.
Convection ...
contrail—Contraction for condensation trail.
convection—(1) In general, mass motions within a fluid resulting in transport and mixing of the properties of that fluid.
CONTRAIL Acronym for CONdensation TRAIL. A cloud-like streamer or trail often seen behind aircraft flying in clear, cold, humid air. A vapor trail is created when the water vapor from the engine exhaust gases are added to the atmosphere.
Contrail- A cloud-like stream formed in cold, clear air behind the engines of an airplane.
Contrails Condensation trails. Artificial clouds made by the exhaust of jet aircraft.
contrails
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Credits and Acknowledgments for WW2010.
Department of Atmospheric Sciences (DAS) at
the University of Illinois at Urbana-Champaign.
Contrails - Long, narrow, ice-crystal clouds that form behind jet planes flying at high altitudes in below-freezing temperatures. They result from the condensation of water vapor remaining in jet exhaust.
CONTRAIL - A visible trail of vapor and / or ice crystals caused by a high-flying aircraft. The hot exhaust from an aircraft engine contains various gases, including water vapor.
"Contrails from jets".
"Contrail from jet". You can see the jet in the picture.
Pictures taken by: Virginia T. Hagerman Giannetta 6/27/03 ...
A contrail is a long thin cloud which develops as the result of the passage of a jet airplane at high altitudes.
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Middle clouds (Family B) ...
Also called a contrail, for condensation trail. VARIABLE CEILING Occurs when the height of a ceiling layer increases and decreases rapidly, The ascribed height is the average of all the varying values.
>> Dissipation trails (DISTRAILS): In contrast to the formation of CONTRAILS (see Q/A 2A.10), aircraft on passage at high levels can cause the dissipation of pre-existing cirriform cloud, ...
In rare exceptions, the cooling may occur as a result of other processes such as mixing, as in a contrail.
 See also: Cloud, Horizon, Temperature, Clouds, Air
  
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