Tornado Watch Number 322 was in effect during this event.
Robust thunderstorm development occurred due to moderate instability and high shear ahead of an upper level low pressure system. The threat for tornado producing storms was heightened near the South Dakota border thanks to 0-1 km shear as high as 30 knots. Strong thunderstorm winds were the primary severe weather element during this event.

Hail in SIOUX, NORTH DAKOTA
From 18-JUN-14 14:02:00 to 18-JUN-14 14:08:00 (MST-7)
Location: SELFRIDGE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Tornado in MCINTOSH, NORTH DAKOTA
From 18-JUN-14 18:08:00 to 18-JUN-14 18:09:00 (CST-6)
Location: ASHLEY
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

This tornado touched down briefly in open country just off of North Dakota Highway 3 south of Ashley. There was no damage so this tornado was rated EF0.

Thunderstorm Wind in MCINTOSH, NORTH DAKOTA
From 18-JUN-14 18:52:00 to 18-JUN-14 18:57:00 (CST-6)
Location: ASHLEY
Magnitude: 61.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Public

The strong thunderstorm winds resulted in roof damage to a pole barn.

Thunderstorm Wind in MCINTOSH, NORTH DAKOTA
From 18-JUN-14 18:15:00 to 18-JUN-14 18:45:00 (CST-6)
Location: ASHLEY
Magnitude: 78.00 EG
Property damage: 250.00K
Crop damage: 100.00K
Reported by: NWS Storm Survey

Severe thunderstorm winds resulted in a swath of damage around Ashley.  Five miles northeast of Ashley on a ranch, the roof of a cattle barn was torn off and several cottonwood trees were snapped. Seven miles north of Ashley, several outbuildings were damaged on a ranch, including shingles torn off of a home and a trailer tipped over by the winds. Along the entire path of the damage, many tree branches were broken along with tree trunks snapped. There was also crop damage in the area north and east of Ashley.

Thunderstorm Wind in KIDDER, NORTH DAKOTA
From 18-JUN-14 18:55:00 to 18-JUN-14 19:05:00 (CST-6)
Location: DAWSON
Magnitude: 74.00 EG
Property damage: 150.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A damage survey assessed that strong thunderstorm winds moved from southeast to northwest over Lake Isabel.  The worst damage occurred on the northwest side of the lake. Damage included uprooted and snapped trees, roofs torn from homes, damaged decks, and structures damaged from falling trees.

Funnel Cloud in STUTSMAN, NORTH DAKOTA
From 18-JUN-14 18:58:00 to 18-JUN-14 19:01:00 (CST-6)
Location: STREETER
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

A funnel cloud was reported. This funnel cloud did not reach the surface.

Thunderstorm Wind in DICKEY, NORTH DAKOTA
From 18-JUN-14 20:22:00 to 18-JUN-14 20:28:00 (CST-6)
Location: ELLENDALE ARPT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 50.00K
Reported by: Trained Spotter

Heavy rain and pea size hail accompanied the strong winds. Crop damage was reported.

Thunderstorm Wind in STUTSMAN, NORTH DAKOTA
From 18-JUN-14 21:00:00 to 18-JUN-14 21:05:00 (CST-6)
Location: COURTENAY
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 25.00K
Reported by: Trained Spotter

Heavy rain and pea size hail accompanied the strong winds. There was crop damage reported.