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Optical Effects
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Cumulus and cirrostratus spotted over Camino, California, US
Crepuscular rays over southeastern Arizona, US
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Stratocumulus lenticularis at sunset over Vermontville, Adirondacks, New York, US
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Cumulus congestus that had the potential of developing into storms, spotted near Crank, Merseyside, England
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A variety of altocumulus spotted over Taylor, Texas, US
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Birds in flight beneath altocumulus, spotted over Esfahan, Iran
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Lunar iridescence within a layer of altocumulus, spotted from the hills overlooking the sea and the Principality of Monaco
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Virga at sunrise over Barcelona Prat Airport, Spain
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A photograph with 90-second exposure captures cloud-to-ground (CTG) lightning during moonrise near McCracken Mesa, Bluff, Utah, US
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Mammatus (Mamma) associated with a storm system over Ireland
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A majestic, developing cumulonimbus spotted over Black Forest, near Freiburg, Germany
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Cumulonimbus spotted in the distance over M4 while driving east out of Wales
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Cirrus uncinus over Lelant, England
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The last sun rays of the day shining on the base of low level clouds over Brighton, Colorado, US
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Cumulus over South Carolina, US
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A storm system over New Taipei City, Taiwan
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