Extensive storm damage left behind in Rock Hill after Saturday's storm

Extensive storm damage left behind in Rock Hill, South Carolina, from a thunderstorm on Saturday was caused by excessive winds and not a tornado, the National Weather Service determined Monday.
The supercell thunderstorm produced winds up to 90 mph as it moved across York County late Saturday afternoon. These winds, the equivalent of a Category 1 hurricane, toppled trees and damaged homes. The storm also produced hail stones at least 2 inches in diameter, surveyors found.
Steve Wilkinson, the meteorologist in charge of the Greenville-Spartanburg National Weather Service office, said crews are still working to determine if the storm could have produced hail up to 4 inches, as some people reported during the outbreak.
Wilkinson and officials from the York County Emergency Management office visited some of the locations hit hardest by storm damage. Their goal was to determine the strength of the storm. Their investigation also found no evidence of a tornado.
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