The combination of a short wave trough over central Montana, and a weak instability axis stretched from northwest to southeast across central North Dakota, resulted in scattered severe thunderstorms over portions of central North Dakota during the afternoon hours of Monday, August 2nd.
Two severe thunderstorm warnings and two tornado warnings were issued. Numerous reports of large hail, several reports of severe thunderstorm winds, several reported funnel clouds, and one confirmed tornado occurred during this episode.

Thunderstorm Wind in MORTON, NORTH DAKOTA
From 02-AUG-10 14:16:00 to 02-AUG-10 14:24:00 (CST-6)
Location: MANDAN
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Estimated winds of 70 mph were reported on the northwest side of Mandan.

Thunderstorm Wind in BURLEIGH, NORTH DAKOTA
From 02-AUG-10 14:25:00 to 02-AUG-10 14:34:00 (CST-6)
Location: BISMARCK
Magnitude: 61.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in BURLEIGH, NORTH DAKOTA
From 02-AUG-10 14:40:00 to 02-AUG-10 14:48:00 (CST-6)
Location: BISMARCK
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Estimated winds of 65 mph were reported.

Hail in MOUNTRAIL, NORTH DAKOTA
From 02-AUG-10 11:20:00 to 02-AUG-10 11:28:00 (CST-6)
Location: PARSHALL ARPT
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MORTON, NORTH DAKOTA
From 02-AUG-10 14:25:00 to 02-AUG-10 14:33:00 (CST-6)
Location: MANDAN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in MORTON, NORTH DAKOTA
From 02-AUG-10 14:30:00 to 02-AUG-10 14:38:00 (CST-6)
Location: MANDAN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in BURLEIGH, NORTH DAKOTA
From 02-AUG-10 14:35:00 to 02-AUG-10 14:43:00 (CST-6)
Location: BISMARCK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in MORTON, NORTH DAKOTA
From 02-AUG-10 14:36:00 to 02-AUG-10 14:43:00 (CST-6)
Location: MANDAN
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Funnel Cloud in MORTON, NORTH DAKOTA
From 02-AUG-10 14:03:00 to 02-AUG-10 14:25:00 (CST-6)
Location: MANDAN
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Funnel clouds repeatedly formed and dissipated underneath a rotating wall cloud west of Mandan. None of the funnels touched the ground.

Thunderstorm Wind in MORTON, NORTH DAKOTA
From 02-AUG-10 14:14:00 to 02-AUG-10 14:25:00 (CST-6)
Location: MANDAN
Magnitude: 57.00 MG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: NWS Employee

The strong thunderstorm winds combined with large hail resulted in damage to siding on a home.

Lightning in MCLEAN, NORTH DAKOTA
From 02-AUG-10 12:25:00 to 02-AUG-10 12:25:00 (CST-6)
Location: MAX
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Newspaper

Lightning struck a car resulting in the air bags being deployed and other damage. A person in the car suffered minor injuries. Time and placement of this event is based on a newspaper article and archived radar data. It is estimated.

Tornado in MORTON, NORTH DAKOTA
From 02-AUG-10 13:36:00 to 02-AUG-10 13:37:00 (CST-6)
Location: SWEET BRIAR
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public reported that a brief tornado touched down in the open country near Crown Butte Dam. No structures were impacted so no damage was done.

Thunderstorm Wind in MCLEAN, NORTH DAKOTA
From 02-AUG-10 12:20:00 to 02-AUG-10 12:26:00 (CST-6)
Location: GARRISON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Pea size hail and heavy rain accompanied the strong thunderstorm winds.

Hail in MORTON, NORTH DAKOTA
From 02-AUG-10 14:24:00 to 02-AUG-10 14:30:00 (CST-6)
Location: MANDAN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee