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Optical Effects
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A multi-level view of cloud development over Lake Michigan, with cold temperatures that were hovering around -4 degrees Fahrenheit (-20 degrees Celsius), as viewed from the 12th floor of a building in Chicago, Illinois, US.
A developing storm system near Curitiba, Brazil
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Reflections of cumulus near Mahajeran, Iran
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22-degree halo over Cotia, São Paulo, Brazil
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Reflections of cumulus near the coastline of Florida, US
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A colorful view of a storm system that is accentuated, as Jon describes, by the spots of rain on the car windshield. It adds to the "portal in time and space" vibe of this photograph, near Langfjordbotn, Finnmark, Norway.
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A storm system with a trail of clouds, spotted near Manly, New South Wales, Australia
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Cirrocumulus undulatus spotted over Mavora Lakes, Southland, New Zealand
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Altocumulus stratiformis undulatus, also known as a "mackerel sky", is on display above lower level cumulus fractus, over Boca Raton, Florida, US
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Altocumulus lenticularis duplicates with cumulus fractus in the foreground, spotted over Patagonia, Argentina
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On a flight from Dubai to Johannesburg, Jim had a unique view from above the clouds, viewing the storms developing over Zanzibar on Unguja Island, Tanzania
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When going out to watch the full moon rise, Elizabeth spotted these wavy clouds that had the setting sunlight cast upon them, over Hollowell Park, Rocky Mountain National Park, Colorado, US
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Cumulus fractus with the backdrop of the moonlight, viewed in such an angle that Archana observed it looked as if the spire of the tallest structure was playfully poking the clouds, over The Burf Khalifa, Dubai, United Arab Emirates.
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A near full moon shining through the clouds over Bigfork, Montana, US
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A vibrant sunset near Mendip Hills, Somerset, England
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Reflections of altocumulus following a rain event near Brickyard Cove, Berkeley, California, US
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