| warm front n. A front along which an advancing mass of warm air rises over a mass of cold air. |
warm front
n
(Earth Sciences / Physical Geography) Meteorol the boundary between a warm air mass and the cold air above which it is rising, at a less steep angle than at the cold front Compare cold front, occluded front
| warm front The forward edge of an advancing mass of warm air that rises over and replaces a retreating mass of cooler air. As it rises, the warm air cools and the water vapor in it condenses, usually forming steady rain, sleet, or snow. On a weather map, a warm front is depicted as a red line with half circles whose curved sides point in the direction in which the warm air is moving. Compare cold frontoccluded front See illustration at front. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  warm front - the front of an advancing mass of warmer airfront - (meteorology) the atmospheric phenomenon created at the boundary between two different air masses |
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