Tuesday, July 23, 2013

Iowa: Ground Zero for Mammatus Yesterday Evening...

A round of severe thunderstorms produced widespread hail across a large chunk of central and northern Iowa yesterday afternoon and evening.

While some of the hail was destructive, the thunderstorm activity also produced beautiful mammatus clouds across the region, as shared by KWWL Chief Meteorologist Mark Schnackenberg (viewer photos):

Mammatus clouds are often associated with severe thunderstorms, particularly those which are prolific hail producers.  Their grouping, lobe like character are associated with turbulence bubbling up and down in the anvil or "belly" of a severe thunderstorm.

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