Assertion: blizzard's wind | /r/HasProperty | sustained at 35 mph
Facets:
value: for a long period of time
type: TEMPORAL
Source sentences:
text: For a snowstorm to be called a blizzard, the wind must be sustained at 35 mph or greater for a long period of time, often 3-4 hours with visibility reduced to not greater than 0.25 miles.