- Mesocyclone of a supercell storm with circular cloud structure
![Mesocyclone of a supercell storm with circular cloud structure](http://www.skyartstock.com/peas/W912237S-SKYART.jpg)
- W912237S
- The mesocyclone of a supercell is evident in the striated circular cloud structure filling the view. Below it is a poorly formed lowering, seen as a few bits of lighter cloud under the lowest part of the base.
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