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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
A layer of fog seen when looking over the River Mersey towards Liverpool, England
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As Monica aptly describes, the "San Francisco fog is legendary, rolling dramatically and massively through the Golden Gate Strait from the Pacific Ocean into the San Francisco Bay, playing stunning, moment by moment now-you-see-it-now-you-don’t games with the bridge." This classic example was spotted near the Golden Gate Bridge, San Francisco, California, US.
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Sea smoke, also known as steam fog or frost smoke, is a phenomenon where cold air moving over relatively warmer water causes water vapor to condense into a visible fog-like haze, as spotted here on a frigid morning over the South Saskatchewan River near Saskatoon, Saskatchewan, Canada
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Fog slowly lifting on a cold morning near Wells, Somerset, England
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Sunrise with the presence of light fog near San Leandro, California, US
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A layer of stratus that originated by way of fog along the Dorob National Park/Atlantic coast, near Cape Cross, Namibia
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Sunrise with contrails and fog/mist in the valley, near the Adirondacks, Vermontville, New York, US
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Sunrise with morning fog/mist over the hill town of Kalaw in the Shan State of Myanmar
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Winter scene of a Canadian Coast Guard vessel patrolling in the Bedford Basin, with sea smoke over the water, in the northeast corner of Halifax Harbour, Nova Scotia, Canada
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A front moving in over Whiteface Mountain on a frigid, misty day near Vermontville, Adirondacks, New York, US
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Altocumulus stratiformis with valley fog at sunset over Picinisco, Lazio, Italy
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Sunrise shining its first rays over Mercogliano, Italy
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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.
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Fog in the valley as viewed from Mendip Hills, overlooking Glastonbury Tor, Somerset, England
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A colorful sky over a layer of fog, at sunset over Crank, Merseyside, England
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