Cumulonimbus (from Latin cumulus 'heaped', and nimbus 'rainstorm') is a dense, towering vertical cloud, typically forming from water vapor condensing in...

A cumulonimbus incus (from Latin incus 'anvil'), also called an anvil cloud, is a cumulonimbus cloud that has reached the level of stratospheric stability...

stability at which cumulonimbus forms into cumulonimbus capillatus (fibrous-top) or cumulonimbus incus (anvil-top). Cumulonimbus calvus develops from...

The cumulonimbus flammagenitus cloud (CbFg), also known as the pyrocumulonimbus cloud, is a type of cumulonimbus cloud that forms above a source of heat...

intermediate stage between cumulonimbus calvus and cumulonimbus incus. A cumulonimbus capillatus is a mature and powerful cumulonimbus cloud and can produce...

It is often said that the turbulence can be extreme enough inside a cumulonimbus to tear an aircraft into pieces, and even strong enough to hold a skydiver...

pattern of pouches hanging underneath the base of a cloud, typically a cumulonimbus raincloud, although they may be attached to other classes of parent clouds...

within the rising air will condense into clouds, namely nimbostratus and cumulonimbus if significant precipitation is involved. Eventually, the cloud droplets...

Cumulonimbus altocumulogenitus Cumulonimbus altostratogenitus Cumulonimbus nimbostratogenitus Cumulonimbus stratocumulogenitus Cumulonimbus flammagenitus Formed...

type-specific supplementary feature, seen only with cumulonimbus of the species capillatus. A cumulonimbus incus cloud top is one that has spread out into...