Assertion: cold front's air | /r/HasProperty | warm
Facets:
Source sentences:
text: Cold fronts normally occur when a huge mass of cold and chilly air meets a mass of warm air, and the chilly air starts advancing on the warm air.
text: The sinking air is compressed and warms.
text: When the air is warm, gas molecules move around quickly in the air pushing out on the area around them.
text: Cold fronts are cold, dense air masses that encounter warm, light air masses, pushing the warm air up into the atmosphere.
text: The air behind a warm front is warm and moist, while the air ahead of a warm front is cooler and less moist.
text: The air ahead of the front is warm, moist, has winds blowing from the S or SW, and the pressure is falling.
text: the air is warm; the best scenario for dense fog and low ceilings.
text: Fast-moving cold fronts force the warm air ahead of them to rise more quickly than slow movers.