Assertion: cold front's air | /r/CapableOf | replace warm air
Facets:
value: at the surface
type: LOCATION
value: rapidly
type: MANNER
Source sentences:
text: Cold fronts can produce sharper changes in weather and move up to twice as quickly as warm fronts, since cold air is denser than warm air and rapidly replaces the warm air preceding the boundary.
text: The difference between a warm front and a cold front is that the warm front is when warm air is pushing up and replacing the cold air, and the cold front is when cold air is replacing a warm air mass.
text: Cold fronts can move up to twice as fast and produce sharper changes in weather than warm fronts, since cold air is denser than warm air and rapidly replaces the warm air preceding the boundary.
text: When a cold air mass meets a warm air mass, a front is formed; if the cold air is replacing the warm air, it is known as a cold front.
text: When cold air replaces warm air, a cold front results.
text: Cold air is thus replacing warm air at the surface.
text: The frontal slope is steep near the leading edge as cold air replaces warm air.
text: Cold air is thus replacing warm air at the surface.