National Weather Service United States Department of Commerce


Warm air advection and convergence associated with low pressure over eastern Colorado led to severe thunderstorms that produced tornadoes in central Minnesota. Of the 15 tornadoes reported, an F2 was the strongest and caused the most damage in Buffalo Lake. Two inch hail was reported in Rock County and 1.75 inch hail was reported in Pope, Lyon, and Renville Counties. Also, the Minneapolis International Airport recorded wind gusts of 58 miles per hour.