- Cloud types, Cb: Cumulonimbus cloud on the dryline
![Cloud types, Cb: Cumulonimbus cloud on the dryline](http://www.skyartstock.com/peas/W931434S-SKYART.jpg)
- W931434S
- Cloud types, Cb: a young Cumulonimbus cloud on the dryline is getting organized. Successive updraft pulses spread forward as a lumpy anvil, but recent ones are more vigorous, as continued heating helps updrafts climb higher into the air. As yet, little rain has reached the ground below this high-based cloud, but in time it will become a full-fledged storm (see W931478P).
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