The lifted air cools and the water vapor condenses out to form clouds in advance of the surface warm front .
(the water vapor; condenses out; to form clouds in advance of the surface warm front) Context(the water vapor condenses out,List([25, 54))):(the water vapor; condenses out to form; clouds; T:in advance of the surface warm front)
the water vapor condenses out,List([25, 54))
the water vapor the water vapor
condenses out condenses out to form
to form clouds in advance of the surface warm front
clouds T:in advance of the surface warm front