- Cloud types, Cb: view from under a Cumulonimbus cloud
![Cloud types, Cb: view from under a Cumulonimbus cloud](http://www.skyartstock.com/peas/W943096S-SKYART.jpg)
- W943096S
- Cloud types, Cb: this view from under a Cumulonimbus cloud shows a gray swath (anvil) that becomes darker and thicker as the rain area nears. The view from the back side (W943171Z) is remarkably different. The storm is propagating to the right, fed by an inflow band (long cloud spear), which makes it a less common left-moving storm (viewed from the back).
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