Courtesy of Dr Marian Muste, IIHR - Hydroscience & Engineering, University of Iowa.

The Fluids Laboratory is an integrated learning environment developed by IIHR-Hydroscience & Engineering for the College of Engineering of The University of Iowa.

Damage caused by Union City Tornado - image taken from National Oceanic & Atmospheric Adminstration (NOAA), Photo Library. Direct link to the picture http://www.photolib.noaa.gov/nssl/nssl0009.htm