Assertion: cumulonimbus cloud's base | /r/HasProperty | low
Facets:
value: very
type: DEGREE
value: to the ground
type: TRANSITIVE-OBJECT
value: as 3 or 4000 feet
type: OTHER
Source sentences:
text: Even though the base of a cumulonimbus cloud may be as low as 3 or 4000 feet, they can grow vertically up to 50 or 60,000 feet high (as high as the tropopause) in the summer.
text: Its base can be very low to the ground, and its top can extend to the highest layer of the troposphere.