Depends, but a Continental or Maritime tropical airmass can advect warm air in.
The mT air mass comes from the Gulf of Mexico. It stands for Maritime Tropical and brings warm and moist winds.
Winds associated with a cold front are strongest when the front is accompanied by thunderstorms. A cold front is a leading mass of air that replaces a warm mass of air at ground level.
a/c blows warm air when idles cold when running
I don't think it blows warm air... but if your talking about the part thats stays outside it blows warm air thats in your home and the part inside "replaces" the warm air with cool air..
a warm front
The warm air mass
a warm air mass is a large body of air that is extremely warm
An Warm air mass
heater on at idle and will not blow warm air. when moving it blows the warm air from the vents. what will cause this
What happens is similar to when a warm air mass meets a cold air mass: the Cold Air Mass is forced to Subside beneath the Warm Air Mass. Thusly the warm air is uplifted, it cools and Rain is formed. When a Warm Air Mass meets a Cold Air Mass, the warm air is [again] forced to Rise above the Cold Air Mass, it cools and Rain is formed.
An Warm air mass
no you would not describe a warm air mass cause you don't know where the warm air mass is and whether or not it is warm and if you can describe it.