The Valentine, NE supercell of July 13, 2009



What happened?

On June 11, 2009 a supercell thunderstorm initiated near Rapid City, SD and lasted for more than 8 hours, dropping large hail and occasional weak tornadoes along its path. It was chased by the webmaster. Some of the conventional RADAR imagery is presented here.

RADAR images

Miscellaneous

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Last update to this page: October 29, 2010