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Optical Effects
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Altocumulus floccus spotted over Lac Le Jeune, British Columbia, Canada
Low-level layered stratus spotted over Mainz, Germany
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Reflection of stratocumulus near sunset over Green Lake, Seattle, Washington, US
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A developing cumulonimbus spotted from approximately 20,000 feet above Grand Rapids, Michigan, US
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Altocumulus stratiformis undulatus, also known as a mackerel sky, spotted over Boca Raton, Florida, US
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Altocumulus lenticularis duplicatus in a shape that looks like a 'tornado', spotted looking southwest from Salem, Oregon, US
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Iridescence amidst the cumulus clouds over Rome, Italy
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Sunrise over San Leandro, California, US
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Sunrise over Ness Point, Lowestoft, England
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Cumulonimbus Incus spotted to the northeast of the East Texas Regional Airport, Longview, Texas, US
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Swirls in the sky over Yeongam-gun, South Jeolla Province, South Korea
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An exquisite display in the early Autumn sky over Mercogliano, Italy
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Fallstreak Hole (Cavum) spotted over Sydney, Australia
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Layers of clouds over São Paulo City, Brazil
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A tumultuous sky over Venice, Italy
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Undulatus in various forms, reminding Holly of an apt quote by Keith Wynn; 'I love that no two cloud formations, since time began, have ever been the same. Each moment in time has created its own unique fingerprint.' This unique representation was spotted over Longmont, Colorado, US.
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