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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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Iridescence through a canopy of Altocumulus clouds over Lac La Hache, British Columbia, Canada
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A developing thunderstorm, as reported by Paula, over the Isle of Wight, England
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Cumulus over Hutchinson Heights, United States
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Mamma (Mammatus) over Oklahoma City, Oklahoma, US
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A family of cumulus clouds below a sky of contrails, over Henley on Thames, England.
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Altocumulus stratiformis amidst a sunrise over Clermont-Ferrand, France
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Orographic Stratus, formed as moist air cools as it rises up the cliffside, beneath Altocumulus stratiformis spotted over Isla de los Estados, Tierra del Fuego, Argentina.
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Altocumulus stratiformis undulatus spotted over Taylor, Texas, US.
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Cumulus towers dissipating at the end of day with Altocumulus and Altostratus above and beyond.
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Lenticularis over Lochbuie, United States
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Strong high altitude shearing winds contributing to the development of Cirrus uncinus cloud formations over Cashmere, Washington, US.
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Corona over San Antonio Del Mar, Mexico
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Mixed layers over Fort Saint James, British Columbia, Canada
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An evolving sky over Malakwa, British Columbia, Canada.
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Asperitas with falling precipitation in the distance, over Lincoln, Nebraska, 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