Assertion: cold front's air | /r/HasProperty | cold
Facets:
value: very
type: DEGREE
Source sentences:
text: Initially, the air is cold: the cold air mass is above you and the warm air mass is above it.
text: When cold air replaces warm air, a cold front results.
text: This keeps clouds from forming so clear skies are normally found with high pressure (clear skies but not necessarily warm weather, strong surface high pressure often forms when the air is very cold).
text: That means cold fronts bring cold air into warm areas.
text: Cold air funnels form beneath showers or weak thunderstorms when the air aloft is especially cold.