Assertion: hail | /r/HasProperty | warning
Facets:
value: for tornadoes
type: TRANSITIVE-OBJECT
Source sentences:
text: Hail generally forms when there's a severe thunderstorm in the vicinity and can be a warning to monitor your local weather situation closely for lightning, torrential rain—and possibly even tornadoes.
text: Keep in mind that hail can be a warning sign for tornadoes .