Aviation Dictionary

Cumulonimbus (CB)

Also called thunderclouds, these are deep convective clouds with a cirrus anvil and may contain any of the characteristics of a thunderstorm: thunder, lightning, heavy rain, hail, strong winds, turbulence, and even torn...

Dictionary Term

Cumulonimbus (CB)

Definition

Also called thunderclouds, these are deep convective clouds with a cirrus anvil and may contain any of the characteristics of a thunderstorm: thunder, lightning, heavy rain, hail, strong winds, turbulence, and even tornadoes.

References

Glider Flying Handbook, Federal Aviation Administration, 2024