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Infrared Imagery - Cumulonimbus Clouds

Introduction | Estimating Temperature | Cumulonimbus Clouds

Cumulonimbus clouds (Cb) are much larger and taller than fair weather cumulus. They can exist as individual towers or form a line of towers called a squall line. The tops of cumulonimbus clouds can easily reach 39,000 feet (12,000 meters) or higher.

Image of cumulonimbus clouds.
Image courtesy NASA/JPL
Under favorable atmospheric conditions, harmless fair weather cumulus clouds can quickly develop into large cumulonimbus clouds associated with powerful thunderstorms known as supercells.

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