- Cloud types, Cb: a Cumulonimbus Capillatus cloud type
![Cloud types, Cb: a Cumulonimbus Capillatus cloud type](http://www.skyartstock.com/peas/W013944S-SKYART.jpg)
- W013944S
- Cloud types, Cb: low to the ground is the dark baseline of this Cumulonimbus Capillatus cloud type. Rising air fans out to form a sloped anvil wall with a few ridges and hints of Mamma. Newer parts at right are still forming, while older parts (left and above) are now frozen. The anvil cloud is not vertical but sloped outward with height, as is suggested by the progression of shading.
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