Assertion: blizzard | /r/HasProperty | formed
Facets:
value: usually
type: DEGREE
Source sentences:
text: A blizzard also may be formed when a cold front and warm front mix together and a blizzard forms at the border line.
text: Blizzards are formed when a warm moist wind traveling from the equator towards the poles rises above a cold dry wind with temperatures below the freezing point traveling from the poles towards the equator.
text: Blizzards are usually formed when the jet stream pitches very far south.