Salt Lake City, Utah Tornado
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Credit
Robert Simmon, NASA Goddard DAAC
A rare tornado swept through Salt Lake City August 11, 1999, killing one person and injuring more than 70 others. Winds were in the 110-150 miles per hour range, and damaged several large buildings in the city's downtown.
Images like these from the Geostationary Operational Environmental Satellites (GOES) help meteorologists track violent storms.