Science / Weather / Upslope Fog: Fog that forms when warm, moist surface air is forced up a slope by the wind. It is adiabatically cooled to below its initial dew point, which means the air cools by expansion as it rises. It forms best where there is a gradual slope, and it can become quite deep, requiring considerable time to dissipate.
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Fog Noun Synonyms: mist, haze, smog, vapour, cloud, pea-souper
Fog Verb Synonyms: trance, daze, stupor, brown study, confused state, coma
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Science / Weather / Cheyenne Fog: An upslope fog formed by the westward flow of air from the Missouri River Valley, producing fog on the eastern slopes of the Rockies. MORE
Science / Weather / Ground Fog: Fog created when radiational cooling at the earth's surface lowers the temperature of the air near the ground to or below its initial dew point. Primarily takes place at night or early morning. MORE