Assertion: cumulonimbus cloud's top | /r/CapableOf | grow to 18000m
Facets:
value: near the equator
type: LOCATION
Source sentences:
text: The tops of cumulonimbus incus clouds usually reach 10500m in altitude but may grow to 18000m, particularly near the equator; this is dependent upon the altitude of the tropopause at the location of cloud formation.