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Cumulus Congestus clouds Cirrostratus clouds Cirrocumulus clouds Cumulonimbus clouds Cirrus clouds Aurora Borealis Halo Contrail Pileus Swelling Cumulus clouds Altostratus clouds Altocumulus clouds Cumulonimbus clouds Cirrus clouds Sun Dog Corona Mammatus clouds Flying Saucer cloud Cumulus clouds of Fair Weather Stratus clouds High Stratocumulus clouds Cumulonimbus clouds Nimbostratus clouds Rainbow Sun pillar Virga Billow altocumulus cloud Cumulus clouds of Fair Weather Ground Fog Stratocumulus clouds Cumulonimbus clouds Nimbostratus clouds Rainbow Lightning Cap Cloud Crepuscular Rays

Skywatcher Chart


Cumulonimbus. A massive cloud system with the top of the clouds flattened at the base of the stratosphere. The source of heavy localized rain, lightning and thunders, and hail.

Image © For Spacious Skies/John A. Day