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Other Clouds
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Optical Effects
- 22° Halo
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- Wegener arc
A fish chasing the vanishing sun, spotted over Tucson, Arizona, US
The view on a summer evening looking east towards the Mission Mountain Range, near Charlo, Montana, US
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Evening clouds accompanied by a sliver of the moon, spotted over the Pacific Ocean, near Manzanita, Oregon, US
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Layers of clouds over Curtin, Canberra, Australia
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A late night summer sunset near Skjolden, Norway
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Sunset over Vermontville, Adirondacks, New York, US
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Virga, along with unrelated signs of fluctus, amidst a colourful sky over Birmingham, England
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A stunning winter sunset over Nulkaba, Hunter Valley, New South Wales, Australia
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A storm cell that kept its shape and made its way from the Bahamas over to Boca Raton, Florida, US
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Sunset over the Bonnie View Nature Sanctuary, Columbia, Missouri, US
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Altocumulus lenticularis over Madison, Wisconsin, US
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A wave-like appearance in the sky over Vicenza, Italy
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A colourful sunset captured by David's son, Craig West, over Callerton, near Newcastle upon Tyne, England
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A cloud formation that resembles a DNA double helix is likely a Kelvin-Helmholtz (Fluctus) cloud or a double helix cloud. These formations are not a specific type of cloud, per se, but rather a visual phenomenon resulting from the interaction of air layers moving at different speeds and densities. This results in air flows that tend to have a distinct serpentine motion. This rare sighting was spotted over Auckland, New Zealand.
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Sunrise over the Sangre de Cristo mountains north of Santa Fe, New Mexico, US
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Altostratus at sunrise over Madison, Wisconsin, US
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