In the early afternoon hours of Wednesday, June 18th, thunderstorms developed along a surface front situated across central North Dakota. The storms quickly reached severe thresholds ahead of an incoming upper level trough which provided synoptic scale ascent. Multiple severe thunderstorm warnings and several tornado warnings were issued. Multiple reports of large hail and two confirmed tornado reports were received during the afternoon and evening hours.

Hail in WARD, NORTH DAKOTA
From 18-JUN-08 17:47:00 to 18-JUN-08 17:52:00 (CST-6)
Location: MINOT
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Hail in OLIVER, NORTH DAKOTA
From 18-JUN-08 18:11:00 to 18-JUN-08 18:16:00 (CST-6)
Location: CENTER
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in MCLEAN, NORTH DAKOTA
From 18-JUN-08 15:05:00 to 18-JUN-08 15:11:00 (CST-6)
Location: RIVERDALE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

In addition to the large hail, heavy rain was also reported.

Hail in BOTTINEAU, NORTH DAKOTA
From 18-JUN-08 15:17:00 to 18-JUN-08 15:23:00 (CST-6)
Location: BOTTINEAU
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in BOTTINEAU, NORTH DAKOTA
From 18-JUN-08 15:30:00 to 18-JUN-08 15:35:00 (CST-6)
Location: KRAMER
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MCHENRY, NORTH DAKOTA
From 18-JUN-08 15:33:00 to 18-JUN-08 15:39:00 (CST-6)
Location: UPHAM
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Hail in MCHENRY, NORTH DAKOTA
From 18-JUN-08 15:48:00 to 18-JUN-08 15:53:00 (CST-6)
Location: NORWICH
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

No report of damage was received from this event.

Hail in BOTTINEAU, NORTH DAKOTA
From 18-JUN-08 13:40:00 to 18-JUN-08 13:45:00 (CST-6)
Location: WESTHOPE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Penny to nickel size hail was reported along with heavy rain.

Hail in MCLEAN, NORTH DAKOTA
From 18-JUN-08 13:44:00 to 18-JUN-08 13:50:00 (CST-6)
Location: RIVERDALE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MCLEAN, NORTH DAKOTA
From 18-JUN-08 13:55:00 to 18-JUN-08 14:10:00 (CST-6)
Location: RIVERDALE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in BOTTINEAU, NORTH DAKOTA
From 18-JUN-08 14:01:00 to 18-JUN-08 14:06:00 (CST-6)
Location: LANDA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in BOTTINEAU, NORTH DAKOTA
From 18-JUN-08 14:20:00 to 18-JUN-08 14:25:00 (CST-6)
Location: WESTHOPE
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Hail in MORTON, NORTH DAKOTA
From 18-JUN-08 18:33:00 to 18-JUN-08 18:39:00 (CST-6)
Location: ALMONT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MORTON, NORTH DAKOTA
From 18-JUN-08 18:37:00 to 18-JUN-08 18:41:00 (CST-6)
Location: FT RICE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

No report of damage was received from this event.

Hail in SHERIDAN, NORTH DAKOTA
From 18-JUN-08 18:50:00 to 18-JUN-08 19:10:00 (CST-6)
Location: DENHOFF
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Pea to quarter size hail lasted for around 20 minutes.

Hail in MCLEAN, NORTH DAKOTA
From 18-JUN-08 19:42:00 to 18-JUN-08 19:47:00 (CST-6)
Location: TURTLE LAKE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Hail in OLIVER, NORTH DAKOTA
From 18-JUN-08 13:15:00 to 18-JUN-08 13:18:00 (CST-6)
Location: HANNOVER
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MCLEAN, NORTH DAKOTA
From 18-JUN-08 13:23:00 to 18-JUN-08 13:29:00 (CST-6)
Location: GARRISON
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public reported large hail at Camp of the Cross on the north shore of Lake Sakakawea. No report of damage was received from this event.

Hail in MCLEAN, NORTH DAKOTA
From 18-JUN-08 13:35:00 to 18-JUN-08 13:40:00 (CST-6)
Location: GARRISON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Hail in MERCER, NORTH DAKOTA
From 18-JUN-08 16:03:00 to 18-JUN-08 16:13:00 (CST-6)
Location: STANTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in WARD, NORTH DAKOTA
From 18-JUN-08 16:51:00 to 18-JUN-08 16:58:00 (CST-6)
Location: MINOT
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Quarter to golfball size hail fell just to the north of Minot. No report of damage was received from this event.

Hail in MCKENZIE, NORTH DAKOTA
From 18-JUN-08 16:01:00 to 18-JUN-08 16:08:00 (MST-7)
Location: GRASSY BUTTE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Tornado in MORTON, NORTH DAKOTA
From 18-JUN-08 18:25:00 to 18-JUN-08 18:30:00 (CST-6)
Location: SWEET BRIAR
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public reported a tornado just to the east of Sweet Briar Lake. The tornado remained in open country and reports were that no structures were impacted.

Tornado in MORTON, NORTH DAKOTA
From 18-JUN-08 19:00:00 to 18-JUN-08 19:05:00 (CST-6)
Location: LYONS
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported this tornado. At the time it appeared as if no structures were impacted by the tornado. Follow up reports confirmed that there was no damage.

Funnel Cloud in MORTON, NORTH DAKOTA
From 18-JUN-08 19:03:00 to 18-JUN-08 19:05:00 (CST-6)
Location: MANDAN
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

A brief funnel cloud was reported south of Mandan. It was moving southeast.

Hail in MERCER, NORTH DAKOTA
From 18-JUN-08 16:48:00 to 18-JUN-08 16:54:00 (CST-6)
Location: STANTON
Magnitude: 2.75 
Property damage: 7.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Golfball to baseball size hail was reported. Damage was sustained to multiple skylights and shingles at the Knife River Indian Villages National Historic Site. Other damage reports were unavailable.

Hail in WARD, NORTH DAKOTA
From 18-JUN-08 20:09:00 to 18-JUN-08 20:20:00 (CST-6)
Location: MINOT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Pea to quarter size hail was reported throughout the city of Minot.

Hail in MERCER, NORTH DAKOTA
From 18-JUN-08 17:02:00 to 18-JUN-08 17:11:00 (CST-6)
Location: STANTON
Magnitude: 2.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Golfball to tennis ball size hail lasted for nine minutes. No report of damage was received from this event.

Hail in WARD, NORTH DAKOTA
From 18-JUN-08 18:25:00 to 18-JUN-08 18:35:00 (CST-6)
Location: SAWYER
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Penny to quarter size hail was reported.

Hail in MCLEAN, NORTH DAKOTA
From 18-JUN-08 20:20:00 to 18-JUN-08 20:27:00 (CST-6)
Location: WILTON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Pea to penny size hail was reported along with heavy rain.

Hail in SIOUX, NORTH DAKOTA
From 18-JUN-08 20:15:00 to 18-JUN-08 20:21:00 (MST-7)
Location: SELFRIDGE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

No report of damage was received from this event.

Hail in MERCER, NORTH DAKOTA
From 18-JUN-08 18:22:00 to 18-JUN-08 18:28:00 (CST-6)
Location: STANTON
Magnitude: 4.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public reported hail up to the size of softballs. No report of damage was received from this event.

Hail in BOTTINEAU, NORTH DAKOTA
From 18-JUN-08 13:52:00 to 18-JUN-08 13:58:00 (CST-6)
Location: WESTHOPE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in MCLEAN, NORTH DAKOTA
From 18-JUN-08 15:37:00 to 18-JUN-08 15:41:00 (CST-6)
Location: RIVERDALE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MCLEAN, NORTH DAKOTA
From 18-JUN-08 15:56:00 to 18-JUN-08 16:02:00 (CST-6)
Location: RIVERDALE
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

No report of damage was received from this event.

Hail in SIOUX, NORTH DAKOTA
From 18-JUN-08 19:55:00 to 18-JUN-08 20:00:00 (MST-7)
Location: SELFRIDGE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Dime to quarter size hail was reported.