A line of severe thunderstorms developed east of Alexandria, Minnesota, and quickly moved east-northeast across central Minnesota and produced measured winds in excess of 80 mph at times.
Several thousand trees were either uprooted or blown down from eastern Stearns County, eastward across western Benton, and southern Morrison County.  There was a semi blown over near Rice, a large communication tower blown down, and several sheds and barns damaged or destroyed.

Thunderstorm Wind in STEARNS, MINNESOTA
From 13-AUG-10 13:48:00 to 13-AUG-10 13:50:00 (CST-6)
Location: HOLDINGFORD
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A 20 inch diameter tree was blown down near Holdingford, Minnesota.

Thunderstorm Wind in KANABEC, MINNESOTA
From 13-AUG-10 14:49:00 to 13-AUG-10 14:55:00 (CST-6)
Location: MORA
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Several trees were blown down around Mora, Minnesota.  In addition, the local AWOS at Mora measured a wind gust of 56 mph at 255 PM CST, with a report of 57 mph wind gust northeast of Mora on a local RAWS Station.

Thunderstorm Wind in STEARNS, MINNESOTA
From 13-AUG-10 14:00:00 to 13-AUG-10 14:00:00 (CST-6)
Location: ST AUGUSTA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

An 8 inch diameter tree was blown down.

Hail in KANDIYOHI, MINNESOTA
From 13-AUG-10 13:25:00 to 13-AUG-10 13:25:00 (CST-6)
Location: HAWICK
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Tornado in BLUE EARTH, MINNESOTA
From 13-AUG-10 16:35:00 to 13-AUG-10 16:37:00 (CST-6)
Location: RAPIDAN
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Tornado touched down just southeast of the intersection of Highways 60 and 169.  It hit a field and lofted numerous corn stalks. After dissipating, the parent circulation moved to the vicinity of the intersection of County Road 90 and State Highway 22, but no additional touchdowns were noted. Tornado was photographed by spotter.

Thunderstorm Wind in BENTON, MINNESOTA
From 13-AUG-10 14:00:00 to 13-AUG-10 14:10:00 (CST-6)
Location: RICE
Magnitude: 70.00 MG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Many hundreds, perhaps thousands of trees were uprooted, snapped or broken in an eight mile wide swath that extended from the western edge of the county, near Rice to Watab, to just north of Sartell, to north central Benton County, in Graham Township, centered near State Highway 25 and County Road 77. In addition, a local Minnesota Department of Transportation Weather Station near Rice, measured a wind gust of 64 knots. A semi-truck was blown over near Rice along Highway 10, resulting in one injury. Plus, a spotter on the northeast shore of Little Rock Lake measured a wind gust of 81 mph before his tower collapsed and the anemometer ceased to function. The intense wind blew from the southwest. Hundreds of large and healthy trees were broken or snapped, blocking roads. The storm survey team concluded a downburst hit the area.

Thunderstorm Wind in MORRISON, MINNESOTA
From 13-AUG-10 14:00:00 to 13-AUG-10 14:10:00 (CST-6)
Location: ROYALTON
Magnitude: 65.00 EG
Property damage: 250.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Significant straight-line wind damage occurred from near Royalton, east along and near East Nature Road for roughly 13 miles. Damage included a chicken barn roof blown off, shingles off a home, and several large trees uprooted.

Hail in SHERBURNE, MINNESOTA
From 13-AUG-10 14:40:00 to 13-AUG-10 14:43:00 (CST-6)
Location: CLEAR LAKE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several reports of nickel, up to quarter size hail fell around the Clear Lake area of Minnesota.

Thunderstorm Wind in MILLE LACS, MINNESOTA
From 13-AUG-10 14:33:00 to 13-AUG-10 14:37:00 (CST-6)
Location: MILACA MUNI ARPT
Magnitude: 56.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Several large trees were broken, a shed was destroyed, and some siding on a house was ripped off.  In addition, a large tree was blown down in the city of Milaca.

Funnel Cloud in SHERBURNE, MINNESOTA
From 13-AUG-10 14:43:00 to 13-AUG-10 14:43:00 (CST-6)
Location: CLEAR LAKE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Funnel Cloud in BLUE EARTH, MINNESOTA
From 13-AUG-10 16:26:00 to 13-AUG-10 16:26:00 (CST-6)
Location: RAPIDAN
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in WASHINGTON, MINNESOTA
From 13-AUG-10 15:30:00 to 13-AUG-10 15:30:00 (CST-6)
Location: HUGO
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in KANABEC, MINNESOTA
From 13-AUG-10 14:52:00 to 13-AUG-10 14:54:00 (CST-6)
Location: BRUNSWICK
Magnitude: 61.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A storm survey indicated that a downburst caused dozens of trees to be blown down in southeastern Kanabec County.  A few sheds were destroyed, and the roof of a barn collapsed.

Thunderstorm Wind in STEARNS, MINNESOTA
From 13-AUG-10 13:55:00 to 13-AUG-10 14:00:00 (CST-6)
Location: ST STEPHEN
Magnitude: 61.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Hundreds of trees were broken or snapped in an eight mile wide swath extending from County Road 17 to Sartell on the eastern edge of Stearns County.  A silo and a shed's roof were blown down.

Thunderstorm Wind in BENTON, MINNESOTA
From 13-AUG-10 14:12:00 to 13-AUG-10 14:13:00 (CST-6)
Location: GILMAN
Magnitude: 70.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A wind gust of 81 mph was measured in the city of Gilman, Minnesota.