cumulonimbus
A wall cloud.
Neither. A funnel cloud that touches the ground is a tornado. A thunderhead is the sort of cloud that develops into a thunderstorm, and a supercell is the kind of thunderstorm most likely to produce a tornado.
The entire thunderstorm is a cumulonimbus cloud.
a rain cloud only gives of rain. a thunderstorm cloud gives lightning and rain.
Cumulonimbus
A cumulonimbus cloud/thunderstorm cloud
by cloud
Communolimbus
CumulonimbusIn Greek it means "heap cloud"
cumulonimbus cloud
It is a thunderstorm.
A cumulonimbus cloud is formed during thunderstorms.