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An example over Southport, UK, of V.C.I., vortex crow instability, it occurs when the wingtip vortices interact with the aircrafts contrails.
One thought on “An example over Southport, UK, of V.C.I., vortex crow instability, it occurs when the wingtip vortices interact with the aircrafts contrails.”
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Altocumulus perlucidus spotted during an invigorating morning run, near New Taipei City, Taiwan
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Cumulus congestus over Monument Valley, Arizona, US
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Undulatus on a windy day over London, England
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Crepuscular rays over New Taipei City, Taiwan
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Sun Dog (Parhelion) spotted over Peel Castle, Isle of Man, British Crown Dependency
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A view from above the clouds over Kazakhstan
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A heart-shaped opening in the sky over Tate Modern Museum, London, England
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A vibrant display of crepuscular rays over Everglades, Florida, US
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Cirrus at sunset over the Hudson River, New York, New York, US
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Virga spotted over North Brunswick, New Jersey, US
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A storm system over San San Carlos Bay, Sonora, México
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A primary rainbow with a faint secondary bow, spotted over Newcastle upon Tyne, England
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Reflections of cumulus by way of a bus windshield, spotted over Atagohama, Fukuoka City, Japan
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Stratocumulus undulatus radiatus over Helston, Cornwall, England
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An expansive storm system as a formidable backdrop to Pi, captured near Bluff, Utah, US
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Very nice Ian. The Crow instability gives the contrail strange shapes. Look on the forum for some other examples in black and white:
https://cloudappreciationsociety.org/forums/topic/circular-crow-contrail/
I was quite surprised to see this happen.
Hans