Severe Thunderstorm Watch number 595 was issued for west and north central North Dakota for the late afternoon and evening hours of Monday, August 9th. This was in anticipation of strong to severe thunderstorms developing along a surface front lifting across the state, combined with increasing ascent with the approach of an upper level impulse.
Multiple severe thunderstorm warnings were issued. Numerous reports of large hail and several reports of severe thunderstorm wind gusts were received during this episode.

Thunderstorm Wind in WARD, NORTH DAKOTA
From 09-AUG-10 23:07:00 to 09-AUG-10 23:15:00 (CST-6)
Location: COULEE
Magnitude: 65.00 EG
Property damage: 35.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported his employer had has barn destroyed by strong thunderstorm winds.

Hail in MOUNTRAIL, NORTH DAKOTA
From 09-AUG-10 17:00:00 to 09-AUG-10 17:10:00 (CST-6)
Location: PARSHALL
Magnitude: 1.75 
Property damage: 65.00K
Crop damage: 0.00K
Reported by: Newspaper

The large hail resulted in broken windows to mobile homes.

Thunderstorm Wind in MOUNTRAIL, NORTH DAKOTA
From 09-AUG-10 17:00:00 to 09-AUG-10 17:10:00 (CST-6)
Location: PARSHALL
Magnitude: 70.00 EG
Property damage: 80.00K
Crop damage: 75.00K
Reported by: Newspaper

Large hail accompanied the strong thunderstorm winds. The wind driven hail resulted in broken windows to area homes and some crop damage.

Hail in MOUNTRAIL, NORTH DAKOTA
From 09-AUG-10 17:30:00 to 09-AUG-10 17:40:00 (CST-6)
Location: TAGUS
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in MCKENZIE, NORTH DAKOTA
From 09-AUG-10 17:28:00 to 09-AUG-10 17:36:00 (MST-7)
Location: GRASSY BUTTE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Hail in MOUNTRAIL, NORTH DAKOTA
From 09-AUG-10 18:46:00 to 09-AUG-10 18:51:00 (CST-6)
Location: STANLEY
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Thunderstorm Wind in RENVILLE, NORTH DAKOTA
From 09-AUG-10 19:50:00 to 09-AUG-10 19:59:00 (CST-6)
Location: GRANO
Magnitude: 59.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in WARD, NORTH DAKOTA
From 09-AUG-10 23:05:00 to 09-AUG-10 23:12:00 (CST-6)
Location: BERTHOLD
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in STARK, NORTH DAKOTA
From 09-AUG-10 15:40:00 to 09-AUG-10 15:48:00 (MST-7)
Location: BELFIELD
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in SLOPE, NORTH DAKOTA
From 09-AUG-10 16:45:00 to 09-AUG-10 16:51:00 (MST-7)
Location: AMIDON
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in SLOPE, NORTH DAKOTA
From 09-AUG-10 16:45:00 to 09-AUG-10 16:52:00 (MST-7)
Location: AMIDON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

An estimated wind speed of 60 mph was reported.

Thunderstorm Wind in MOUNTRAIL, NORTH DAKOTA
From 09-AUG-10 17:00:00 to 09-AUG-10 17:10:00 (CST-6)
Location: NEW TOWN
Magnitude: 61.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Large hail accompanied the strong thunderstorm winds. Powerlines were reported down along with a carport blown over.

Hail in MOUNTRAIL, NORTH DAKOTA
From 09-AUG-10 17:30:00 to 09-AUG-10 17:38:00 (CST-6)
Location: BLAISDELL
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DUNN, NORTH DAKOTA
From 09-AUG-10 14:40:00 to 09-AUG-10 14:47:00 (MST-7)
Location: DUNN CENTER
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in SLOPE, NORTH DAKOTA
From 09-AUG-10 15:15:00 to 09-AUG-10 15:22:00 (MST-7)
Location: AMIDON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in WARD, NORTH DAKOTA
From 09-AUG-10 23:05:00 to 09-AUG-10 23:12:00 (CST-6)
Location: BERTHOLD
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Large hail accompanied the strong thunderstorm winds.

Hail in MOUNTRAIL, NORTH DAKOTA
From 09-AUG-10 17:00:00 to 09-AUG-10 17:10:00 (CST-6)
Location: NEW TOWN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter