Assertion: cumulonimbus cloud's base | /r/CapableOf | form at altitude
Facets:
value: from approximately 200 to 4,000 m
type: LOCATION
Source sentences:
text: The cumulonimbus base may extend several miles across and occupy low to middle altitudes - formed at altitude from approximately 200 to 4,000 m (700 to 10,000 ft).
text: The cumulonimbus base may extend several miles across and occupy low to middle altitudes - formed at altitude from approximately 200 to 4,000 m (700 to 10,000 ft).