advection fog
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advection fog — Meteorol. fog caused by the movement of warm, moist air over a cold surface. [1940 45] * * * advection fog, a fog that occurs when a body of relatively warm, moist air moves over a cold surface: »Advection fogs often form in the Newfoundland… … Useful english dictionary
advection fog — A type of fog that results from air being cooled following its horizontal movement. This could result from either cold air passing across a warmer sea or water surface while mixing with warm air prevailing there, or the air becoming chilled by… … Aviation dictionary
advection fog — /ədˈvɛkʃən fɒg/ (say uhd vekshuhn fog) noun Meteorology a fog formed when a mass of warm moist air moves laterally over a colder ground surface and is cooled to below its dewpoint …
advection fog — Meteorol. fog caused by the movement of warm, moist air over a cold surface. [1940 45] * * * … Universalium
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 — For other uses, see Fog (disambiguation). Part of the Nature series on Weather Calendar seasons Spring … Wikipedia
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
San Francisco fog generation — The famous fog of San Francisco, California is a specific case of sea fog. Sea fog is a specific type of advection fog, which is characterized by the lateral transfer of temperature by wind blowing over cooler water. The water is often cool… … Wikipedia
Moisture advection — is the horizontal transport of water vapor by the wind. Measurement and knowledge of atmospheric water vapor, or moisture , is crucial in the prediction of all weather elements, especially clouds, fog, temperature, humidity thermal comfort… … Wikipedia
Haar (fog) — Haar in meteorology is a coastal fog along certain lands bordering the North Sea; the term is primarily applied in eastern Scotland. [ [http://www.britannia.org/scotland/scotsdictionary/h.shtml Scots Dictionary] ] Research has shown that haar is… … Wikipedia
