Aviation English
Meteorology

What is cumulonimbus cloud?

cumulonimbus cloud Towering vertical cloud with significant turbulence, precipitation, and lightning potential.

Source: ICAO Doc 9432, FAA PCG

How is “cumulonimbus cloud” Used in Practice?

We have cumulonimbus cloud ahead with severe turbulence, request deviation to avoid.

Certification Exam Relevance

ICAO Level 4ICAO Level 5ICAO Level 6EASA FCL.055

Who Needs to Know This Term?

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

Related Aviation English Terms

wind shearlow‑level wind shearSignificant Weather Chartturbulence

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Frequently Asked Questions

What is cumulonimbus cloud?

Towering vertical cloud with significant turbulence, precipitation, and lightning potential.

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