- Circular wall cloud on a supercell storm
![Circular wall cloud on a supercell storm](http://www.skyartstock.com/peas/W872510S-SKYART.jpg)
- W872510S
- A stormy sky is filled with eerie yellow light just before sunset. A large, circular wall cloud with concave base feeds a supercell storm to its right. It is not related to the dark rain curtains behind it, which are along the wind-shift line beyond the supercell.
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