National Weather Service United States Department of Commerce


On July 14, 2010 favorable atmospheric conditions led to severe thunderstorms that produced hail, strong winds, and tornadoes in Minnesota and Wisconsin. There were two tornadoes reported near Northfield, Minnesota that caused damage to trees, crops, farm sheds, a camper, and a few houses. Low pressure, high dewpoints, and high wind shear values allowed the formation of these storms and tornadoes.

EF-1 tornado near County Road 47 northeast of Northfield