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Optical Effects
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Haar or sea fret, also known as a cold sea fog, occurs most often on the east coast of Scotland between April and and September, when warm air passes over the cold North Sea, is seen here over Coll Beach, Isle of Lewis, Scotland
It looks calm, but Monica conveyed that it was very windy when she found the perfect place to pull her car over and take this photograph of the full rainbow over Mono Lake, California, US
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Stratocumulus clouds on the horizon near Hartlepool, England
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Following continuous rain for a number of days, the clouds cleared and signs of an apparent circumzenithal arc appeared in the sky over Mercogliano, Italy
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Cirrus spissatus resembling feathers over Chiayi City, Taiwan
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Altocumulus lenticularis near El Paso, Texas, US
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A classic example of a 22-degree halo over Northern California, US
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Altocumulus undulatus radiatus near Qiantang District, Hangzhou City, Zhejiang Province, China
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Cirrus fibratus spreading out across a morning sky over North Devon, England
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Sunrise over Catamount Mountain, Adirondacks, Vermontville, New York, US
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Signs of fluctus (Kelvin-Helmholtz) as viewed from the Steart Marshes, looking south towards Quantock Hills, Somerset, England
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Altocumulus perlucidus over National Taipei University, Taiwan
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Multiple contrails over Almere, Netherlands
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Cumulus fractus over Esfahan, Iran
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Sunset with fragmented contrails over Monte Rosa, near Sumirago, Varese, Italy
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An expansive display of lacunosus within cirrocumulus clouds spotted over Kamloops, British Columbia, Canada
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