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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 with a view of the moon, as seen from the city streets, to which Jian-Syuan described as "the overall composition blends the solidity of urban architecture with the fluidity of natural elements, making the night both serene and dynamic, with a unique visual appeal." This scene was observed over Xinzhuang District, New Taipei City, Taiwan.
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Crepuscular rays over Taichung, Taiwan
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A storm system developing near Condom, France
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Cumulus fractus spotted over Fishtoft, Boston, Lincolnshire, England
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A contrail during sunset over Springfield, Massachusetts, US
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A triangle of cumulus congestus and cumulus fractus spotted over Nan'ao Township, Yilan County, Taiwan
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Stratocumulus that crosses over the Aratsu Bridge, Fukuoka City, Japan
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Fog over Hollyburn, Canada
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Signs of fluctus over Lac Leman (Lake Geneva), near Chamby, Switzerland
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Cumulus populating the sky over Taguatinga, Brasilia, Brazil
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A celestial show above the clouds, spotted over "Sandstonehenge", inclusive of Jupiter in the top right of the frame and Mars to the top left, observed near Bluff, Utah, US
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Signs of lacunosus over Balneario Arroio do Silva, Santa Catarina, Brazil
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Cirrus spissatus spotted over Oahu, Hawaii, US
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Stratocumulus over the Adirondacks, Vermontville, New York, US
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A cirrus reflection over Mahajeran, Northwest Iran
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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