warm front

warm front

n.

A front along which an advancing mass of warm air rises over a mass of cold air.

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warm front

Noun

Meteorol the boundary between a warm air mass and the cold air it is replacing

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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.

Thesaurus

Noun

1.

warm front - the front of an advancing mass of warmer air front - (meteorology) the atmospheric phenomenon created at the boundary between two different air masses