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Optical Effects
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A cap cloud over a peak on Rishiri Island, Hokkaido, Japan.
A unique, local phenomena that is affectionately called the 'BBC', or Bridger Bowl Cloud, which descends like a blanket over the east-central Bridger Mountains and leaves behind a prodigious amount of snow. In reality, the abundance of snow is not necessarily caused by a cloud, but rather a weather event called 'upslope precipitation', wherein the snow starts to fall when a cold, moist northwestern air flow moves through the canyon and is forced upward by the unique geography of the mountains, creating precipitation in the higher elevations, as seen here near Bozeman, Montana, US.
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Altostratus spotted over Cologne, Germany
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Crepuscular rays over Wembury Beach, Devon, England
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A vivid reflection of the storm above, spotted near Newport Beach, California, US
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An ominous looking storm system that resulted in heavy rain, spotted over Carbis Bay, Cornwall, England
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A dynamic sunset over the Northeast Canadian High Arctic
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Sunset over Arlington, Virginia, US
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An expansive storm system spotted near Antelope Valley, California, US
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Altocumulus lenticularis spotted over Invergordon, Scotland
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Crepuscular rays spotted over Funchal, Madeira, Portugal
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Following the passage of a storm, Monica had this view of a mixed sky during an evening walk, looking across the bay towards San Francisco, from Berkeley, California, US
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Undulatus that Robyn thought looked like veins of a leaf, spotted over Goodyear, Arizona, US
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A view of the valley fog over Kerala, India
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Altocumulus stratiformis spotted over Manhattan, New York, US
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Aurora Borealis (Northern Lights) spotted over Krzeszowice, Poland
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