- Vertically stacked shelf cloud with smoothly sculpted wedge
![Vertically stacked shelf cloud with smoothly sculpted wedge](http://www.skyartstock.com/peas/W930556Z-SKYART.jpg)
- W930556Z
- The leading edge of a strong storm sends out a smoothly sculpted wedge of dark cloud in advance of rain and hail. The vertically stacked shelf cloud is formed and driven forward by intense straight-line winds just behind the dark gust front axis.
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