Ample moisture in conjunction with an upper level disturbance moving over the area caused severe thunderstorms to develop.  Large hail and severe wind gusts were the only threats.

Hail in BANNER, NEBRASKA
From 22-JUL-10 15:29:00 to 22-JUL-10 15:33:00 (MST-7)
Location: HARRISBURG
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Penny to quarter size hail with strong winds and heavy rain.

Hail in SIOUX, NEBRASKA
From 22-JUL-10 16:08:00 to 22-JUL-10 16:12:00 (MST-7)
Location: HARRISON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in DAWES, NEBRASKA
From 22-JUL-10 16:52:00 to 22-JUL-10 16:53:00 (MST-7)
Location: (CDR)CHADRON AIRPORT
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Hail was dime size.

Flood in DAWES, NEBRASKA
From 22-JUL-10 17:00:00 to 22-JUL-10 20:00:00 (MST-7)
Location: CHADRON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Flooding along many streets, with Maple Street having a foot of water flowing down it.  No damage was reported.  Estimated time and duration of event.

Hail in DAWES, NEBRASKA
From 22-JUL-10 17:00:00 to 22-JUL-10 17:03:00 (MST-7)
Location: CHADRON
Magnitude: 1.75 
Reported by: Law Enforcement

Hail in DAWES, NEBRASKA
From 22-JUL-10 17:01:00 to 22-JUL-10 17:04:00 (MST-7)
Location: CHADRON
Magnitude: 1.75 
Reported by: Trained Spotter

Thunderstorm Wind in DAWES, NEBRASKA
From 22-JUL-10 17:10:00 to 22-JUL-10 17:11:00 (MST-7)
Location: BORDEAUX
Magnitude: 52.00 EG
Reported by: Trained Spotter

No damage was reported.

Thunderstorm Wind in BANNER, NEBRASKA
From 22-JUL-10 14:50:00 to 22-JUL-10 14:51:00 (MST-7)
Location: HARRISBURG
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Also had penny size hail and very heavy rain.

Hail in SIOUX, NEBRASKA
From 22-JUL-10 16:14:00 to 22-JUL-10 16:17:00 (MST-7)
Location: MONTROSE
Magnitude: 1.50 
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

According to spotter's report, an area from Ardmore, SD to south of the Nebraska state line, house windows were broken by hail.  Estimated 60 MPH winds.  Car windows broken.  Over 1.00 inches of rainfall.  Gravel piles along HWY 71 blown across the road.  Estimated time of report.

Thunderstorm Wind in DAWES, NEBRASKA
From 22-JUL-10 17:00:00 to 22-JUL-10 17:01:00 (MST-7)
Location: CHADRON
Magnitude: 56.00 EG
Property damage: 300.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail damage to many cars, shattered windows at Walmart parking lot.  Many business signs were blown out or had holes in them from the hail.  Many street signs and several power lines were down.  Three trailer homes sustained major damage.  One was flipped on its roof and the other two were blown to pieces into a nearby field.  Orange construction barriers tossed 0.75 miles from the highway.

Hail in DAWES, NEBRASKA
From 22-JUL-10 17:00:00 to 22-JUL-10 17:03:00 (MST-7)
Location: CHADRON
Magnitude: 1.75 
Property damage: 200.00K
Reported by: Trained Spotter

Many business signs with holes in them.  Windows shattered in the Walmart parking lot.  Hail damage to many cars.

Thunderstorm Wind in KIMBALL, NEBRASKA
From 22-JUL-10 15:40:00 to 22-JUL-10 15:41:00 (MST-7)
Location: KIMBALL
Magnitude: 48.00 EG
Property damage: 10.00K
Reported by: Emergency Manager

Estimated 55-60 MPH gusts caused three power poles to be blown over.  1.50 inches of heavy rain also fell over a short time span.