Hail in Arapahoe County, Colorado

Severe thunderstorms in Denver and the surrounding metropolitan area produced five tornadoes, large hail and damaging thunderstorm winds. The strongest of the tornadoes touched down near Southlands Mall, in southeast Aurora. Two men were injured, one seriously. Overall the damage was rated mild to moderate, which translated to an EF1 rating. Four other tornadoes touched down, two of which caused minor damage. Another EF1 tornado damaged a home, several outbuildings, and injured some horses in unincorporated Elbert County.

In addition to the tornadoes, large hail from 1 to 3 inches in diameter was observed. In parts of Aurora and Centennial, thunderstorm winds blew down power lines and caused electrical outages. Approximately 8,000 homes and businesses were left without power for nearly two hours. Most of the damage consisted of broken windows and roofs. This day was the first in a series of eight to cause damage along the Urban Corridor. Damage to homes and property along the Front Range totalled $161 million during the 8-day span, making it the state's fifth highest insurance loss. The majority of the property damage was caused by hail; 21,000 automobile claims and 13,000 homeowner claims were filed.