A strong upper level low pressure system dived out of Canada and into the western Dakotas on Thursday (14th). Severe thunderstorms developed across eastern North Dakota and northwestern Minnesota Thursday afternoon and evening near an inverted trough, which extended north into the area from a surface low pressure system in Nebraska. The slow moving storms produced heavy rainfall amounts in some areas as well as some hail.

Funnel Cloud in RANSOM, NORTH DAKOTA
From 14-AUG-08 16:17:00 to 14-AUG-08 16:45:00 (CST-6)
Location: LISBON
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Two or more funnels formed west-northwest of Lisbon. The funnels moved slowly to the west-northwest and passed north of Fort Ransom State Park. The funnels were formed in fairly high based thunderstorms and were visible from a distance. No touchdowns were observed.

Funnel Cloud in STEELE, NORTH DAKOTA
From 14-AUG-08 17:28:00 to 14-AUG-08 17:50:00 (CST-6)
Location: HOPE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Two or more funnels formed southeast of Hope. The funnels moved slowly to the north-northwest and passed near Hope. The funnels were formed in fairly high based thunderstorms and were visible from a distance.

Hail in RANSOM, NORTH DAKOTA
From 14-AUG-08 16:40:00 to 14-AUG-08 16:40:00 (CST-6)
Location: FT RANSOM
Magnitude: 0.75 
Reported by: Public

Hail in STEELE, NORTH DAKOTA
From 14-AUG-08 18:05:00 to 14-AUG-08 18:05:00 (CST-6)
Location: HOPE
Magnitude: 0.75 
Reported by: Trained Spotter

Hail in STEELE, NORTH DAKOTA
From 14-AUG-08 18:25:00 to 14-AUG-08 18:25:00 (CST-6)
Location: HOPE
Magnitude: 0.88 
Reported by: Public

Hail in CASS, NORTH DAKOTA
From 14-AUG-08 14:54:00 to 14-AUG-08 14:54:00 (CST-6)
Location: FARGO
Magnitude: 1.00 
Property damage: 10.00K
Crop damage: 50.00K
Reported by: Law Enforcement

The one inch hail was reported by a Cass County deputy at 19th Avenue North and Interstate 29.

Hail in PEMBINA, NORTH DAKOTA
From 14-AUG-08 16:45:00 to 14-AUG-08 16:45:00 (CST-6)
Location: ST THOMAS
Magnitude: 0.88 
Property damage: 5.00K
Crop damage: 20.00K
Reported by: Public

There were also one to three inch diameter branches blown down.

Thunderstorm Wind in WALSH, NORTH DAKOTA
From 14-AUG-08 17:30:00 to 14-AUG-08 17:30:00 (CST-6)
Location: HERRICK
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 20.00K
Reported by: Public

The wind knocked down five inch diameter tree branches.

Tornado in STEELE, NORTH DAKOTA
From 14-AUG-08 17:45:00 to 14-AUG-08 17:45:00 (CST-6)
Location: HOPE
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 5.00K
Reported by: Law Enforcement

Multiple funnels were reported with one touching down briefly.

Thunderstorm Wind in GRIGGS, NORTH DAKOTA
From 14-AUG-08 19:25:00 to 14-AUG-08 19:25:00 (CST-6)
Location: HANNAFORD
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 50.00K
Reported by: Public

Several large 3 to 5 inch diameter tree branches were blown down.

Hail in BARNES, NORTH DAKOTA
From 14-AUG-08 17:53:00 to 14-AUG-08 17:53:00 (CST-6)
Location: ORISKA
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in BARNES, NORTH DAKOTA
From 14-AUG-08 19:00:00 to 14-AUG-08 19:00:00 (CST-6)
Location: PILLSBURY
Magnitude: 0.88 
Reported by: Public

Hail in RANSOM, NORTH DAKOTA
From 14-AUG-08 16:55:00 to 14-AUG-08 16:55:00 (CST-6)
Location: FT RANSOM
Magnitude: 1.00 
Property damage: 5.00K
Crop damage: 500.00K
Reported by: Trained Spotter

Several sections of cropland in Northland Township received damage from hail and wind.