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Valley fog accompanied by clouds above, spotted near Sappada, Italy
On a hot day, evaporation fog emanates over the Northwest Arm of Halifax Harbour, Halifax, Nova Scotia, Canada
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Reflections of fog in Southeast Alaska, US
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Valley fog as viewed from 5,500 feet above sea level, at Excelsior Peak, Washington, US
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A view from the top of a tower while servicing instruments that measure the "breathing of the forest", near Ashland, Missouri, US
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Fog over Carolina Cloud Lake, providing a "blue" emphasis within the Blue Ridge Mountains, in Fairview, near Asheville, North Carolina, US
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With the sun rising behind Aldo Brando, the photographer, these anti-crepuscular rays were spotted. Anti-crepuscular rays appear when tall clouds in front of the rising or setting sun cast long shadows across the sky which can be seen receding off into the distance when facing away from the sun, as was the case here, near Bogota, Colombia.
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A fogbow and a glory, with the latter being a multicoloured ring around one's shadow, spotted during a morning walk in the fog, on Mount Painter, Canberra, Australian Capital Territory, Australia
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Sunrise near Port Richey, Florida, US
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An exquisite reflection during the early morning, at the Clear Creek Boat Launch, Loudon, Tennessee, US
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The marine layer that often graces the flanks of the mountain during the month of August, also known as "Fogust" per Anthony's description, seen near Mount Tamalpais, Marin County, California, US
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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
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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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