---
title: "Cumulonimbus — aviation glossary — OnlyPlanes"
description: "A towering thunderstorm cloud associated with strong air movements, precipitation and possible turbulence."
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> Index of every page on this site: [llms.txt](https://onlyplanes.ru/llms.txt)

Meteorology

# Cumulonimbus

TERM · Meteorology

At a glance

## Meaning of Cumulonimbus

A towering thunderstorm cloud associated with strong air movements, precipitation and possible turbulence.

### More about Cumulonimbus

Cumulonimbus clouds can contain strong updraughts and downdraughts, lightning, hail and icing conditions.

Their visible outline does not describe the full extent of associated hazards. Flight crews assess current weather information and follow their procedures when planning avoidance.

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