In the early afternoon of July 9th, Severe Thunderstorm Watch 497 was issued in anticipation of severe thunderstorms developing along and ahead of a strong short wave trough and associated surface low/cold front over western North Dakota. Later in the afternoon, Severe Thunderstorm Watch 502 was issued to include all of central North Dakota as the short wave trough and cold front advanced eastward. Numerous severe thunderstorm warnings and several tornado warnings were issued. Several reports of large hail, numerous reports of severe thunderstorm wind gusts, and 1 confirmed tornado report were received during the late afternoon and evening hours.

Hail in MCLEAN, NORTH DAKOTA
From 09-JUL-07 18:05:00 to 09-JUL-07 18:50:00 (CST-6)
Location: RAUB
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 250.00K
Reported by: NWS Storm Survey

NWS storm survey completed for the tornado in Mclean County produced from the same supercell thunderstorm, revealed a path of crop destruction from near Raub to just south of Emmet. In some cases crop destruction looked to be 100 percent. The storm also produced a tornado and high thunderstorm wind of around 70 mph.

Tornado in MCLEAN, NORTH DAKOTA
From 09-JUL-07 18:25:00 to 09-JUL-07 18:34:00 (CST-6)
Location: ROSEGLEN
Tornado F-scale: EF1
Property damage: 80.00K
Crop damage: 150.00K
Reported by: NWS Storm Survey

NWS storm survey was completed for this event. An EF1 tornado was confirmed to have occurred on the Fort Berthold Reservation of Mclean County starting from 6 miles south of White Shield and ending 8 miles south-southeast of White Shield. The path was about 1 1/2 miles long. One manufactured home was rolled and badly damaged near the beginning of the path. It had three occupants, one adult male and one adult female approximately in their 30's, and one four year old child. All three had minor injuries. A pickup truck at this location was totally destroyed as the home rolled onto it and the truck acted as a stop. Another manufactured home was completely destroyed about one mile from the first. It had one adult male occupant, age 53, who was seriously injured and hospitalized. There was also significant damage to crops in the area, with 100 percent crop loss in some fields caused by wind driven hail up to 1.5 inches in diameter. Wind speed estimated 105 mph.

Hail in EMMONS, NORTH DAKOTA
From 09-JUL-07 20:50:00 to 09-JUL-07 21:00:00 (CST-6)
Location: HAGUE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in EMMONS, NORTH DAKOTA
From 09-JUL-07 20:55:00 to 09-JUL-07 21:05:00 (CST-6)
Location: WESTFIELD
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in MOUNTRAIL, NORTH DAKOTA
From 09-JUL-07 17:30:00 to 09-JUL-07 17:42:00 (CST-6)
Location: STANLEY
Magnitude: 57.00 MG
Property damage: 40.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter reports several trees down in the city of Stanley. Largest tree was approximately 16 inches in diameter. Two flag poles also broken off.

Hail in SLOPE, NORTH DAKOTA
From 09-JUL-07 14:40:00 to 09-JUL-07 14:48:00 (MST-7)
Location: AMIDON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in BOWMAN, NORTH DAKOTA
From 09-JUL-07 15:20:00 to 09-JUL-07 15:35:00 (MST-7)
Location: RHAME
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in BOWMAN, NORTH DAKOTA
From 09-JUL-07 15:35:00 to 09-JUL-07 15:45:00 (MST-7)
Location: BOWMAN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in ADAMS, NORTH DAKOTA
From 09-JUL-07 15:35:00 to 09-JUL-07 15:44:00 (MST-7)
Location: HETTINGER
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Thunderstorm Wind in SIOUX, NORTH DAKOTA
From 09-JUL-07 18:30:00 to 09-JUL-07 18:40:00 (MST-7)
Location: SOLEN
Magnitude: 83.00 EG
Property damage: 75.00K
Crop damage: 3.00K
Reported by: NWS Storm Survey

NWS storm survey completed for this event. Damage to outbuildings, grain bins, horse trailer, picnic benches, empty oil type drums, and other items on the farm. Storm survey determined the damage was caused by high thunderstorm wind gusts and not a tornado. Location 10 miles south and 1 east of Solen.

Thunderstorm Wind in WARD, NORTH DAKOTA
From 09-JUL-07 18:10:00 to 09-JUL-07 18:20:00 (CST-6)
Location: CARPIO
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in MCLEAN, NORTH DAKOTA
From 09-JUL-07 19:16:00 to 09-JUL-07 19:20:00 (CST-6)
Location: GARRISON
Magnitude: 62.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Hail in SLOPE, NORTH DAKOTA
From 09-JUL-07 15:10:00 to 09-JUL-07 15:25:00 (MST-7)
Location: AMIDON
Magnitude: 2.00 
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

The ground was white with hail at conclusion. Minor damage to buildings was reported.

Thunderstorm Wind in WARD, NORTH DAKOTA
From 09-JUL-07 18:45:00 to 09-JUL-07 18:50:00 (CST-6)
Location: DOUGLAS
Magnitude: 67.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

No damage was reported.

Thunderstorm Wind in GOLDEN VALLEY, NORTH DAKOTA
From 09-JUL-07 14:35:00 to 09-JUL-07 14:45:00 (MST-7)
Location: GOLVA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

The storm was accompanied by pea size hail and very heavy rain.

Thunderstorm Wind in GOLDEN VALLEY, NORTH DAKOTA
From 09-JUL-07 14:45:00 to 09-JUL-07 14:55:00 (MST-7)
Location: GOLVA
Magnitude: 56.00 MG
Property damage: 7.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The storm was accompanied by nickel size hail 0.88 inch diameter and very heavy rain. There was some damage to siding.

Thunderstorm Wind in ADAMS, NORTH DAKOTA
From 09-JUL-07 16:49:00 to 09-JUL-07 16:59:00 (MST-7)
Location: HETTINGER
Magnitude: 63.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

This was an Automatic Weather Data Network (AWDN) observation.

Thunderstorm Wind in WARD, NORTH DAKOTA
From 09-JUL-07 18:35:00 to 09-JUL-07 18:45:00 (CST-6)
Location: SOUTH PRAIRIE
Magnitude: 67.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

No damage was reported.

Hail in ADAMS, NORTH DAKOTA
From 09-JUL-07 16:15:00 to 09-JUL-07 16:30:00 (MST-7)
Location: HAYNES
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 10.00K
Reported by: Trained Spotter

Hail ranged from penny to quarter size. There was minor crop damage.