- radiation fog
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fog produced by the nocturnal cooling of the surface boundary layer to a temperature at which its content of water vapor condenses. Also called ground fog.[1855-60]
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Universalium. 2010.
radiation fog
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radiation fog — noun : an evening fog over damp grounds or valleys resulting from cooling by radiation * * * fog produced by the nocturnal cooling of the surface boundary layer to a temperature at which its content of water vapor condenses. Also called ground… … Useful english dictionary
radiation fog — A type of fog formed by the cooling of the earth’s surface at night, which, in turn, cools the adjoining layer of air above it rapidly to an extent that the dew point is reached. This type of fog may occur even when the relative humidity has not… … Aviation dictionary
radiation fog — /reɪdieɪʃən ˈfɒg/ (say raydeeayshuhn fog) noun a fog caused by the lowering of the ground temperature as absorbed solar energy escapes from it, as at sunset, the moist air closest to the ground quickly cooling to dewpoint; occurs mainly in moist… …
radiation fog — noun a fog produced by the cooling of air at the ground through the release of electromagnetic energy in the form of heat … Wiktionary
radiation fog — a fog formed when warm moist air is cooled to the dew point by the ground … Geography glossary
Fog — For other uses, see Fog (disambiguation). Part of the Nature series on Weather Calendar seasons Spring … Wikipedia
fog — fog1 fogless, adj. /fog, fawg/, n., v., fogged, fogging. n. 1. a cloudlike mass or layer of minute water droplets or ice crystals near the surface of the earth, appreciably reducing visibility. Cf. ice fog, mist, smog. 2. any darkened state of… … Universalium
fog — I. noun Etymology: probably back formation from foggy Date: 1544 1. a. vapor condensed to fine particles of water suspended in the lower atmosphere that differs from cloud only in being near the ground b. a fine spray or a foam for firefighting 2 … New Collegiate Dictionary
radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… … Universalium
fog — ground level condensation caused if the dew point is reached in this part of the atmosphere by advection, evaporation, radiation or at a warm front or over ice. Typically, the density of the water droplets needs to be such that visibility is… … Geography glossary
