Assertion: cold front's air | /r/CapableOf | become cold
Facets:
value: because of the long winter nights
type: CAUSE
value: very
type: DEGREE
value: because of strong radiational cooling
type: CAUSE
value: unusually
type: DEGREE
Source sentences:
text: Therefore, air which remains stagnant over a cold and dry area will become cold and dry.
text: The air during a cold wave is typically denser and thus contains more oxygen, so when air that a fire draws in becomes unusually cold it is likely to cause a more intense fire[citation
text: Because of the long winter nights and strong radiational cooling found in these regions, the overlying air becomes very cold and very stable.