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easyclouds

Cumulonimbus clouds can extend from near the surface to:

Q: Cumulonimbus clouds can extend from near the surface to:

FL450 or higher. Cumulonimbus (Cb) clouds can extend from near the surface to the tropopause and even penetrate into the lower stratosphere, reaching FL450 or higher in tropical regions.

FL100

FL200

FL450 or higher

FL050

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