There were three reports of tornadoes during the evening hours of Saturday, 30 July 2011. The first two reports were reported north of Johnson, Minnesota in Traverse County. The tornado was reported on the ground from 7:12pm to 7:18pm though no damage was reported.
The third tornado was reported outside of Dalbo, Minnesota in Mille Lacs County around 8:26pm. The National Weather Service Storm Damage Survey Team confirmed an EF-0 tornado northwest of Dalbo.
These storms formed when a surface low moved across central Minnesota with a cold front initiating the line of severe storms.