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Optical Effects
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An abundant display of Altocumulus lenticularis duplicatus, also known as 'pile d'assiettes', spotted over Great Asby, Cumbria, England
A plethora of Altocumulus lenticularis duplicatus, also known as 'pile d'assiettes', spotted over Morpeth, Northumberland, England
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Altocumulus lenticularis at sunset over Torrejón de Ardoz, Spain
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Two classic examples of Altocumulus lenticularis spotted over San Rafael, California, US
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Altocumulus lenticularis spotted shortly before sunset over Madison, Wisconsin, US
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Altocumulus undulatus spotted over Weston Longville, near Norwich, England
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Altocumulus undulatus spotted over Tucson, Arizona, US
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Signs of supercilium, an unofficial classification of a short-lived cloud feature that is likened to an eyebrow and usually forms in turbulent air flow over, and to the immediate lee of, steep mountain peaks. This example was spotted over Antwerp, Belgium.
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Signs of Altocumulus lenticularis over Chimacum, Washington, US
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Cirrocumulus undulatus spotted over Port Hadlock, Washington, US
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Altocumulus lenticularis spotted over Southsea Beach, Portsmouth, England
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Altocumulus over Markazi Province, Iran
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Altocumulus lenticularis spotted over Edinburgh, Scotland
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A colourful display of Altocumulus cloud formations, spotted over Lyle, Washington, US
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Altocumulus lenticularis duplicatus, also known as 'pile d'assiettes', spotted over the Cascade Mountains, near Vancouver, Washington, US
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Altocumulus lenticularis spotted at sunset over Sumirago, Varese, Italy
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