A surface trough moved into west central Minnesota during the late afternoon and early evening of the 10th, helping to initiate thunderstorms. Temperatures in this area had risen into the low to mid 80s with dew points in the mid to upper 60s.

Hail in WADENA, MINNESOTA
From 10-JUL-10 17:55:00 to 10-JUL-10 18:10:00 (CST-6)
Location: NIMROD
Magnitude: 1.25 
Reported by: Public

The hail was quarter to half dollar size.

Tornado in GRANT, MINNESOTA
From 10-JUL-10 16:36:00 to 10-JUL-10 16:36:00 (CST-6)
Location: HOFFMAN
Tornado F-scale: EF0
Reported by: Public

A tornado briefly touched down.

Funnel Cloud in OTTER TAIL, MINNESOTA
From 10-JUL-10 17:18:00 to 10-JUL-10 17:18:00 (CST-6)
Location: BALMORAL
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Two funnel clouds were sighted by an observer two miles east of Ottertail. One funnel was about four miles east of Ottertail and the other was about one mile north of Deer Creek.

Funnel Cloud in OTTER TAIL, MINNESOTA
From 10-JUL-10 17:20:00 to 10-JUL-10 17:20:00 (CST-6)
Location: DEER CREEK
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A wall cloud with a funnel nearly half way down were viewed from Deer Creek.

Hail in OTTER TAIL, MINNESOTA
From 10-JUL-10 15:50:00 to 10-JUL-10 15:50:00 (CST-6)
Location: (FFM)FERGUS FALLS AR
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in GRANT, MINNESOTA
From 10-JUL-10 15:57:00 to 10-JUL-10 15:57:00 (CST-6)
Location: ERDAHL
Magnitude: 1.75 
Reported by: Public

Hail in OTTER TAIL, MINNESOTA
From 10-JUL-10 15:58:00 to 10-JUL-10 15:58:00 (CST-6)
Location: FERGUS FALLS
Magnitude: 1.75 
Reported by: COOP Observer

The hail began as pea sized but quickly got to golfball sized.

Hail in OTTER TAIL, MINNESOTA
From 10-JUL-10 16:02:00 to 10-JUL-10 16:02:00 (CST-6)
Location: FERGUS FALLS
Magnitude: 3.00 
Reported by: COOP Observer

The hail was quite large, about three inches in diameter.

Hail in GRANT, MINNESOTA
From 10-JUL-10 16:07:00 to 10-JUL-10 16:07:00 (CST-6)
Location: ASHBY
Magnitude: 1.75 
Reported by: Law Enforcement

Hail in GRANT, MINNESOTA
From 10-JUL-10 16:10:00 to 10-JUL-10 16:15:00 (CST-6)
Location: ASHBY
Magnitude: 1.00 
Reported by: Trained Spotter

Minor tree damage was also reported.

Funnel Cloud in OTTER TAIL, MINNESOTA
From 10-JUL-10 16:06:00 to 10-JUL-10 16:06:00 (CST-6)
Location: FERGUS FALLS
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A wall cloud with a funnel were viewed from exit 55 on Interstate 94, looking southeastward.

Tornado in OTTER TAIL, MINNESOTA
From 10-JUL-10 17:24:00 to 10-JUL-10 17:25:00 (CST-6)
Location: BLUFFTON
Tornado F-scale: EF0
Reported by: Trained Spotter

A brief tornado touchdown was viewed in the open fields about one mile west of the Wadena Airport (KADC).  Maximum winds speed were estimated to 80 mph.

Funnel Cloud in GRANT, MINNESOTA
From 10-JUL-10 16:15:00 to 10-JUL-10 16:15:00 (CST-6)
Location: ASHBY
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A wall cloud with a well defined funnel were observed just west of Interstate 94 near Pelican Lake.

Tornado in GRANT, MINNESOTA
From 10-JUL-10 16:16:00 to 10-JUL-10 16:23:00 (CST-6)
Location: ASHBY
Tornado F-scale: EF0
Reported by: NWS Storm Survey

Numerous large tree limbs were broken off in shelter belts near Interstate 94 and in treed areas bordering the northwest corner of Pelican Lake.

Funnel Cloud in WADENA, MINNESOTA
From 10-JUL-10 17:40:00 to 10-JUL-10 17:40:00 (CST-6)
Location: NIMROD
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public