In the early afternoon hours of Saturday, July 19th, Severe Thunderstorm Watch 704 was issued for parts of west and central North Dakota. Ongoing severe thunderstorms in northwest North Dakota developed southeastward into south central North Dakota along an instability axis, as a significant upper level low moved into the region. Numerous severe thunderstorm warnings were issued, along with two tornado warnings. Numerous reports of large hail, and one report each of severe winds and a tornado were received during the afternoon and evening. There was significant hail damage on the north side of Bismarck.

Hail in DUNN, NORTH DAKOTA
From 19-JUL-08 14:40:00 to 19-JUL-08 14:49:00 (MST-7)
Location: WERNER
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

No damage was reported.

Tornado in DUNN, NORTH DAKOTA
From 19-JUL-08 14:42:00 to 19-JUL-08 14:44:00 (MST-7)
Location: DUNN CENTER
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

An Amateur Radio Operator reported a very brief tornado touchdown. The tornado quickly lifted and there was no damage indicated.

Hail in WILLIAMS, NORTH DAKOTA
From 19-JUL-08 12:45:00 to 19-JUL-08 12:51:00 (CST-6)
Location: BONETRAILL
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in WILLIAMS, NORTH DAKOTA
From 19-JUL-08 13:11:00 to 19-JUL-08 13:15:00 (CST-6)
Location: BONETRAILL
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

No damage was reported.

Hail in WILLIAMS, NORTH DAKOTA
From 19-JUL-08 13:20:00 to 19-JUL-08 13:26:00 (CST-6)
Location: BONETRAILL
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in BURLEIGH, NORTH DAKOTA
From 19-JUL-08 18:20:00 to 19-JUL-08 18:40:00 (CST-6)
Location: (BIS)BISMARCK MUNI A
Magnitude: 2.75 
Property damage: 800.00K
Reported by: NWS Employee

A severe thunderstorm brought a large swath of very large hail through the north side of Bismarck early Saturday evening. Hail reports ranged from golf ball size to baseball size, along with multiple reports of hail damage to vehicles and homes. The hail swath width is estimated to have ranged from two to four miles, with the largest hail reports contained within a quarter of a mile swath width.

Hail in MORTON, NORTH DAKOTA
From 19-JUL-08 17:00:00 to 19-JUL-08 17:15:00 (CST-6)
Location: HEBRON
Magnitude: 1.75 
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Newspaper

Hail up to the size of ping pong balls fell in the city of Hebron, causing damage to buildings and vehicles.

Hail in MCINTOSH, NORTH DAKOTA
From 19-JUL-08 20:25:00 to 19-JUL-08 20:35:00 (CST-6)
Location: ZEELAND
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MCINTOSH, NORTH DAKOTA
From 19-JUL-08 21:10:00 to 19-JUL-08 21:21:00 (CST-6)
Location: VENTURA
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 50.00K
Reported by: Newspaper

Hail in OLIVER, NORTH DAKOTA
From 19-JUL-08 17:43:00 to 19-JUL-08 17:53:00 (CST-6)
Location: HANNOVER
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported nickel size hail along with estimated wind gusts up to 60 mph.

Hail in MCINTOSH, NORTH DAKOTA
From 19-JUL-08 17:37:00 to 19-JUL-08 17:46:00 (CST-6)
Location: ZEELAND
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in EMMONS, NORTH DAKOTA
From 19-JUL-08 20:30:00 to 19-JUL-08 21:05:00 (CST-6)
Location: DANA
Magnitude: 2.00 
Property damage: 65.00K
Crop damage: 90.00K
Reported by: Newspaper

A severe thunderstorm left a hail damage swath through central Emmons County Saturday evening. The largest stones were two inches in diameter. Damage was reported to homes and crops.

Hail in BURLEIGH, NORTH DAKOTA
From 19-JUL-08 18:45:00 to 19-JUL-08 18:50:00 (CST-6)
Location: FT LINCOLN
Magnitude: 2.75 
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Public

Mostly quarter to golfball size hail with the largest stone the size of a baseball.

Hail in MORTON, NORTH DAKOTA
From 19-JUL-08 18:45:00 to 19-JUL-08 19:00:00 (CST-6)
Location: ST ANTHONY
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

No damage was reported.

Thunderstorm Wind in MERCER, NORTH DAKOTA
From 19-JUL-08 16:30:00 to 19-JUL-08 16:36:00 (CST-6)
Location: GOLDEN VLY
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

No damage was reported with this high thunderstorm wind.

Hail in DUNN, NORTH DAKOTA
From 19-JUL-08 15:29:00 to 19-JUL-08 15:38:00 (MST-7)
Location: HALLIDAY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Hail in MERCER, NORTH DAKOTA
From 19-JUL-08 16:51:00 to 19-JUL-08 16:57:00 (CST-6)
Location: BEULAH
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Hail in WILLIAMS, NORTH DAKOTA
From 19-JUL-08 13:40:00 to 19-JUL-08 13:48:00 (CST-6)
Location: WILLISTON
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail in MCKENZIE, NORTH DAKOTA
From 19-JUL-08 13:47:00 to 19-JUL-08 13:57:00 (MST-7)
Location: KEENE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in EMMONS, NORTH DAKOTA
From 19-JUL-08 16:50:00 to 19-JUL-08 17:10:00 (CST-6)
Location: STRASBURG
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter