Aircraft distrail in altocumulus clouds. Aircraft distrails (dissipation trail) are the opposite of contrails (condensation trails). They are formed f

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Aircraft distrail in altocumulus clouds. Aircraft distrails (dissipation trail) are the opposite of contrails (condensation trails). They are formed following the passage of an aircraft through cloud consisting of supercooled water droplets. The turbulence causes ice crystals to form, which preferentially evaporate or fall out of the cloud layer, leaving a straight line clearance in the cloud. Here the cloud is a layer of altocumulus, which occurs at middle altitudes (2400-6000 metres) and are usually associated with fair weather.

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Size: 5191px × 3461px
Photo credit: © STEPHEN BURT/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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