A frontal boundary extended from west central into north central North Dakota while a surface low was noted over north central South Dakota. Instability and shear increased through mid-day with strong storms developing by mid-afternoon. The largest hail was over the southern James River Valley where sizes up to three inches in diameter were reported.

Tornado in DUNN, NORTH DAKOTA
From 02-JUN-15 12:57:00 to 02-JUN-15 12:59:00 (MST-7)
Location: KILLDEER
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

This was a brief tornado in an open field. There was no damage and no structures were impacted, so the rating is EF0.

Funnel Cloud in STARK, NORTH DAKOTA
From 02-JUN-15 12:32:00 to 02-JUN-15 12:33:00 (MST-7)
Location: DICKINSON
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in SIOUX, NORTH DAKOTA
From 02-JUN-15 12:46:00 to 02-JUN-15 12:51:00 (MST-7)
Location: CANNON BALL
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Funnel Cloud in DUNN, NORTH DAKOTA
From 02-JUN-15 13:02:00 to 02-JUN-15 13:03:00 (MST-7)
Location: KILLDEER
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in STARK, NORTH DAKOTA
From 02-JUN-15 13:30:00 to 02-JUN-15 13:35:00 (MST-7)
Location: TAYLOR
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Hail in EMMONS, NORTH DAKOTA
From 02-JUN-15 13:55:00 to 02-JUN-15 13:57:00 (CST-6)
Location: LINTON
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Funnel Cloud in STARK, NORTH DAKOTA
From 02-JUN-15 14:22:00 to 02-JUN-15 14:24:00 (MST-7)
Location: ANTELOPE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in EMMONS, NORTH DAKOTA
From 02-JUN-15 15:05:00 to 02-JUN-15 15:10:00 (CST-6)
Location: STRASBURG
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in EMMONS, NORTH DAKOTA
From 02-JUN-15 15:07:00 to 02-JUN-15 15:11:00 (CST-6)
Location: STRASBURG
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Hail in MORTON, NORTH DAKOTA
From 02-JUN-15 15:25:00 to 02-JUN-15 15:27:00 (CST-6)
Location: HEBRON
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in MORTON, NORTH DAKOTA
From 02-JUN-15 15:29:00 to 02-JUN-15 15:32:00 (CST-6)
Location: HEBRON
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in EMMONS, NORTH DAKOTA
From 02-JUN-15 15:35:00 to 02-JUN-15 15:37:00 (CST-6)
Location: HAGUE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in MORTON, NORTH DAKOTA
From 02-JUN-15 15:39:00 to 02-JUN-15 15:42:00 (CST-6)
Location: HEBRON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MORTON, NORTH DAKOTA
From 02-JUN-15 15:45:00 to 02-JUN-15 15:47:00 (CST-6)
Location: GLEN ULLIN
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in MORTON, NORTH DAKOTA
From 02-JUN-15 16:12:00 to 02-JUN-15 16:19:00 (CST-6)
Location: ALMONT
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in SIOUX, NORTH DAKOTA
From 02-JUN-15 16:42:00 to 02-JUN-15 16:44:00 (MST-7)
Location: SOLEN
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in SIOUX, NORTH DAKOTA
From 02-JUN-15 17:00:00 to 02-JUN-15 17:08:00 (MST-7)
Location: CANNON BALL
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MORTON, NORTH DAKOTA
From 02-JUN-15 17:10:00 to 02-JUN-15 17:15:00 (CST-6)
Location: ST ANTHONY
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MORTON, NORTH DAKOTA
From 02-JUN-15 17:15:00 to 02-JUN-15 17:18:00 (CST-6)
Location: ST ANTHONY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in EMMONS, NORTH DAKOTA
From 02-JUN-15 18:00:00 to 02-JUN-15 18:10:00 (CST-6)
Location: TEMVIK
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in STUTSMAN, NORTH DAKOTA
From 02-JUN-15 18:05:00 to 02-JUN-15 18:09:00 (CST-6)
Location: PINGREE
Magnitude: 3.00 
Property damage: 50.00K
Crop damage: 200.00K
Reported by: Broadcast Media

Hail in STUTSMAN, NORTH DAKOTA
From 02-JUN-15 18:10:00 to 02-JUN-15 18:13:00 (CST-6)
Location: PINGREE
Magnitude: 2.25 
Property damage: 200.00K
Crop damage: 150.00K
Reported by: Law Enforcement

Hail in DICKEY, NORTH DAKOTA
From 02-JUN-15 18:25:00 to 02-JUN-15 18:28:00 (CST-6)
Location: FULLERTON
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DICKEY, NORTH DAKOTA
From 02-JUN-15 18:30:00 to 02-JUN-15 18:34:00 (CST-6)
Location: FULLERTON
Magnitude: 2.25 
Property damage: 50.00K
Crop damage: 200.00K
Reported by: Public

Hail in LA MOURE, NORTH DAKOTA
From 02-JUN-15 18:47:00 to 02-JUN-15 18:50:00 (CST-6)
Location: BERLIN
Magnitude: 2.25 
Property damage: 50.00K
Crop damage: 200.00K
Reported by: Broadcast Media

Hail in LA MOURE, NORTH DAKOTA
From 02-JUN-15 18:51:00 to 02-JUN-15 18:53:00 (CST-6)
Location: LA MOURE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public