Daily Archives: June 22, 2010

Multi-vortex Tornado with Winds Over 170 mph

On Sunday, the National Weather Service determined that an EF4 tornado with winds up to 170 mph hit Wadena, Minnesota last Thursday damaging more than 200 homes. So far there have been three confirmed EF4 tornadoes with peak wind speeds between 166-200 mph based on the damage they caused. The Wadena tornado left a trail […]