The following events were reported: Flash Flood, Hail, Heavy Rain, Thunderstorm Wind. These occurred near station USW00014922, approximately 40.6946 km away, between 2012-06-17 22:20:00 and 2012-06-18 08:00:00. The events included records with hailstones measuring 15.057272727272727 inches.Thankfully, no injuries or fatalities were reported. No significant property or crop damage was reported. Episode Narrative: A large cluster of thunderstorms that formed across the eastern Dakotas, moved eastward and developed a long-lived bow echo that moved across southern Minnesota during the evening of Sunday June 17th. Numerous trees, power lines, barns and roofs were damaged or destroyed across a large portion in southern Minnesota.||Winds were clocked at 78 mph at the Appleton Airport, and knocked down power lines, tore open a machine shed on a farm place north of Appleton, and twisted the foundation for a grain dryer, snapping the liquid propane line to it. Five power poles along Minnesota Highway 7 just north of Appleton were toppled, knocking out power to rural areas and about �� of Appleton for two to three hours.||In Lac Qui Parle County, the winds tore metal roofing off a portion of a building in Madison, and snapped small tree branches in town.||In eastern Kandiyohi County, the roof of a shed at the Central Lakes Cooperative just outside of Atwater was torn off and a turkey barn on Highway 12 was damaged. Highway crews used snowplows to move numerous branches from State Highway 12 in Atwater, and power was affected in five substations in the region, particularly the one in Atwater.||The western and northwestern portions of Meeker County were hit hard with severe damage around Grove City, where at least 14 buildings were damaged, including six turkey barns, sheds, grain bins and one residence with extensive roof damage. The Meeker Cooperative said more than 30 power poles were lost and numerous lines downed because of wind and falling trees. The athletic fields at the High School in Grove City were damaged, with football bleachers flipped over onto the field and a dugout damaged on the baseball field. A section of State Highway 4 in Meeker County was shut down due to debris on the road.||Golf ball sized hail and some two inches in diameter were reported in Le Sueur, Rice and Goodhue counties but no major damage was reported.||In addition to the severe winds and hail, very heavy rainfall occurred, especially in the communities of Willmar, Cannon Falls, and Jordan. All three areas reported rainfall of more than 3 inches, with led to flooding. Transportation officials closed Highway 20 near Cannon Falls and Highway 50 near Miesville Monday morning due to flooding. The flooding damaged roads, bridges, utilities, buildings and recreation areas. Preliminary damage assessments revealed more than 5 million dollars in costs and damages.||Wind storms and flooding during the period June 14-21 led to Dakota, Goodhue, Kandiyohi, Meeker, Rice and Sibley counties being among those Minnesota counties designated disaster areas by presidential declaration on July 6, 2012. A large cluster of thunderstorms that formed across the eastern Dakotas, moved eastward and developed a long-lived bow echo that moved across southern Minnesota during the evening of Sunday June 17th. Event Narrative:        A few power lines were blown down in Burnsville causing isolated power outages. A measured wind gust from a hand held anemometer. Significant street flooding caused some roads to close around Northfield and Dundas. Flooding was observed on Highway 52 near Cannon Falls, with some flooding reports on County Road 1, 14 and 18. An observer measured 3.12 inches of rainfall in the last 24 hours. An observer measured 3.31 inches of rainfall in the last 24 hours. An observer measured 3.29 inches of rainfall in the last 24 hours. An observer measured 3.06 inches of rainfall in the last 24 hours. An observer measured 3.70 inches of rainfall in the last 24 hours. Several roads were closed in northeast Rice County due to water over the road. Specifically, County Road 3, west of Webster, and County Road 42 and Kellogg Ave, south of Highway 19 was closed, with the shoulders washed out. Due to approximately 3.5 inches of rainfall during a short period of time, Maplewood Road in Dahlgren Township, between Market Ave and County Road 41 was closed due to a culvert wash-out. A measured wind gust northwest of New Market.