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Optical Effects
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Fluctus (Kelvin-Helmholtz) spotted over Seattle, Washington, US
Fluctus (Kelvin-Helmholtz) spotted over southwestern Germany
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Fluctus (Kelvin-Helmholtz) spotted over Chicago, Illinois, US
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Fluctus (Kelvin-Helmholtz) spotted over Crank, Merseyside, England
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Fluctus (Kelvin-Helmholtz) spotted over Northern California, US
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Signs of fluctus (Kelvin-Helmholtz) spotted over Solihull, England
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Fluctus (Kelvin-Helmholtz) as seen through a reflection off of window panes, spotted over Bayside Place, Fukuoka City, Japan
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Fluctus (Kelvin-Helmholtz) at sunset over the Coast Range mountains west of Eugene, Oregon, US
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Fluctus (Kelvin-Helmholtz) near the horizon, spotted over North Dundas County, Ontario, Canada
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Fluctus (Kelvin-Helmholtz) spotted over Waalwijk, Netherlands
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Fluctus (Kelvin-Helmholtz) spotted on a cold and dry day by Gary Norris in Clynder, Scotland
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Signs of fluctus (Kelvin-Helmholtz) as viewed from the Steart Marshes, looking south towards Quantock Hills, Somerset, England
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Undulatus and Kelvin-Helmholtz (Fluctus) spotted at different levels of the troposphere, near North Devon, England
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Fluctus (Kelvin-Helmholtz) just below the view of the moon, spotted over Metheringham, Lincolnshire, England
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Fluctus (Kelvin-Helmholtz) spotted to the northeast of the East Texas Regional Airport, Texas, US
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Signs of fluctus over Lac Leman (Lake Geneva), near Chamby, Switzerland
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