- Cloud types, Cb: a massive Cumulonimbus cloud like an atomic bomb
![Cloud types, Cb: a massive Cumulonimbus cloud like an atomic bomb](http://www.skyartstock.com/peas/W013627Z-SKYART.jpg)
- W013627Z
- Cloud types, Cb: a bright, massive Cumulonimbus cloud overshadows a rural landscape. Like an atomic bomb, this mushroom cloud rises out of the shadows into another world high above.
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