frontal fog

frontal fog

[¦frənt·əl ′fäg]
(meteorology)
Fog associated with frontal zones and frontal passages.

frontal fog

frontal fogclick for a larger image
A type of fog formed by the interaction of two adjoining air masses. Air becomes saturated from the rain falling from clouds formed in the warm air and intersects with the cold air beneath until it, too, is saturated. The fog thus formed will extend from the ground up to the layer of the clouds in the warmer air.
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References in periodicals archive ?
Four explosive fog processes happened during clear night, except for the last one, which was a frontal fog (Figure 10).
You can get fog by suddenly adding moisture to the air (steam fog or frontal fog).
Generally, fog can be divided into two sorts, air-mass fog and frontal fog [6].
Frontal fogs also occur occasionally in Alentejo region, especially in winter season, under sustained rainfall situations from warm fronts moving slowly, with southwest/westerly light wind and sometimes with drizzle.