Following a tornado watch, severe storms formed in Central Iowa with vivid lightning and beautiful supercell structures. A Flash Flood Warning was also issued for the Pella area.
1: Grain bins with wall cloud developing
2-3: Close lightning
4: Pan of the storm structure
5: Ominous wall cloud with incredible lightning
6: Slow view of unique lightning bolt
7-11: Storm structure as it became a damaging wind producer