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SESK: Stuff Everyone Should Know · sesk.info/aero-cumulonimbus-thunderstorm-cloud

Which cloud type is the thunderstorm cloud?

A cumulonimbus cloud is the thunderstorm cloud.

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  1. Cirrostratus
  2. Cumulonimbus ✔
  3. Altostratus

Why: Cumulonimbus clouds grow strongly upward from the cumulus family. Their deep vertical development supports thunderstorms.

Huh, didn't know that: Pilots often abbreviate cumulonimbus as CB.

The dad joke
Why did cumulonimbus grow so tall? It had lofty thunder goals!
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References

Answer: Cumulonimbus. Cumulonimbus clouds grow strongly upward from the cumulus family. Their deep vertical development supports thunderstorms.

  1. Civil Air Patrol, Journey of Flight Teacher's Guide www.gocivilairpatrol.com/media/cms/2nd_edition_Teachers_Guide_5D3166D76F9B1.pdf
    Cumulonimbus (CB) is the thunderstorm cloud.
    Checked 2026-10-10.

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