Penny Olson lost a lot more. When the powerful storm blew through Bemidji in the early hours of June 21, it obliterated the building that housed Thunderbird Graphics, a 41-year-old screen-printing business owned by Olson. The building at 675 Mag 7 Court SW, owned by Thunderbird Graphics founders Tom and June Wynne, was reduced to rubble. ADVERTISEMENTPenny Olson surveys the damage to her business on Mag 7 Court SW after the June 21 storm. This whole town looks like somebody dropped bombs on it.’”ADVERTISEMENTThe storm reduced Thunderbird Graphics to a pile of rubble.