A midlevel short wave impulse combined with a weak surface boundary to trigger afternoon thunderstorms over southwest and south central North Dakota. Strong afternoon heating resulted in rather robust convective development with storms quickly reaching severe thresholds after they initialized. Severe Thunderstorm Watch number 681 was issued for this event.

Hail in SLOPE, NORTH DAKOTA
From 24-JUL-11 12:55:00 to 24-JUL-11 13:00:00 (MST-7)
Location: AMIDON
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The majority of the hail was the size of nickels, with a few larger stones.

Hail in HETTINGER, NORTH DAKOTA
From 24-JUL-11 12:56:00 to 24-JUL-11 13:01:00 (MST-7)
Location: NEW ENGLAND
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in HETTINGER, NORTH DAKOTA
From 24-JUL-11 12:56:00 to 24-JUL-11 13:01:00 (MST-7)
Location: NEW ENGLAND
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Large hail accompanied the strong winds.

Hail in FOSTER, NORTH DAKOTA
From 24-JUL-11 13:44:00 to 24-JUL-11 13:48:00 (CST-6)
Location: MC HENRY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MORTON, NORTH DAKOTA
From 24-JUL-11 14:10:00 to 24-JUL-11 14:15:00 (CST-6)
Location: HEBRON
Magnitude: 2.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

There were no damage reports associated with the large hail.

Hail in MORTON, NORTH DAKOTA
From 24-JUL-11 14:22:00 to 24-JUL-11 14:26:00 (CST-6)
Location: GLEN ULLIN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MORTON, NORTH DAKOTA
From 24-JUL-11 14:29:00 to 24-JUL-11 14:34:00 (CST-6)
Location: GLEN ULLIN
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

There were no damage reports associated with the large hail.

Thunderstorm Wind in MORTON, NORTH DAKOTA
From 24-JUL-11 14:33:00 to 24-JUL-11 14:38:00 (CST-6)
Location: GLEN ULLIN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Very heavy rain accompanied the strong winds.

Hail in MORTON, NORTH DAKOTA
From 24-JUL-11 14:50:00 to 24-JUL-11 14:56:00 (CST-6)
Location: NEW SALEM
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in OLIVER, NORTH DAKOTA
From 24-JUL-11 14:53:00 to 24-JUL-11 14:57:00 (CST-6)
Location: CENTER
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in OLIVER, NORTH DAKOTA
From 24-JUL-11 14:54:00 to 24-JUL-11 14:59:00 (CST-6)
Location: CENTER
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in BURLEIGH, NORTH DAKOTA
From 24-JUL-11 15:05:00 to 24-JUL-11 15:10:00 (CST-6)
Location: DRISCOLL
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in STUTSMAN, NORTH DAKOTA
From 24-JUL-11 15:26:00 to 24-JUL-11 15:29:00 (CST-6)
Location: CLEVELAND
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MORTON, NORTH DAKOTA
From 24-JUL-11 15:26:00 to 24-JUL-11 15:30:00 (CST-6)
Location: SWEET BRIAR
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in KIDDER, NORTH DAKOTA
From 24-JUL-11 15:30:00 to 24-JUL-11 15:34:00 (CST-6)
Location: STEELE MUNI ARPT
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in KIDDER, NORTH DAKOTA
From 24-JUL-11 15:36:00 to 24-JUL-11 15:40:00 (CST-6)
Location: STEELE MUNI ARPT
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in KIDDER, NORTH DAKOTA
From 24-JUL-11 15:57:00 to 24-JUL-11 15:59:00 (CST-6)
Location: TAPPEN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LA MOURE, NORTH DAKOTA
From 24-JUL-11 16:20:00 to 24-JUL-11 16:25:00 (CST-6)
Location: ADRIAN
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in KIDDER, NORTH DAKOTA
From 24-JUL-11 16:30:00 to 24-JUL-11 16:34:00 (CST-6)
Location: TUTTLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in FOSTER, NORTH DAKOTA
From 24-JUL-11 17:05:00 to 24-JUL-11 17:13:00 (CST-6)
Location: CARRINGTON ARPT
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in BURLEIGH, NORTH DAKOTA
From 24-JUL-11 17:31:00 to 24-JUL-11 17:35:00 (CST-6)
Location: BISMARCK
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in FOSTER, NORTH DAKOTA
From 24-JUL-11 17:33:00 to 24-JUL-11 17:38:00 (CST-6)
Location: GRACE CITY
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in KIDDER, NORTH DAKOTA
From 24-JUL-11 14:40:00 to 24-JUL-11 14:45:00 (CST-6)
Location: PETTIBONE
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in MORTON, NORTH DAKOTA
From 24-JUL-11 15:12:00 to 24-JUL-11 15:17:00 (CST-6)
Location: JUDSON
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Small hail accompanied the strong winds.