Supercell with Wall Cloud and Weak Rotation - July 8, 2016, Grandville, MI
151 views · Published 9 July 2016 · 2:17 · Indexed 4 October 2026
Channel: marshallbs · 2016 · Film & Animation
It's not common to see a supercell thunderstorm develop over Lake Michigan during the afternoon. Afternoon subsidence over the lake kills isolated storms more than not. There was just enough synoptic convergence and shear to force the development of a cell right over the lake that began to rotate as it moved inland. The end of the video is a view of the shelf from other cells that formed on southwest end of rear-flank downdraft. This shelf cloud eventually overtook the original mesocyclone. The northern supercell portion of the storm weakened as soon as this happened.
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