A surface trough extended south through central Nebraska and became the focus for severe thunderstorms by mid afternoon. A disturbance lifted east from Wyoming across central South Dakota and provided lift in addition to jet dynamics that increased shear for supercell thunderstorm development. The severe thunderstorms produced large hail up to 2 inches, damaging winds and heavy rainfall.

Funnel Cloud in HOLT, NEBRASKA
From 08-AUG-10 14:10:00 to 08-AUG-10 14:10:00 (CST-6)
Location: (ONL)O NEILL ARPT
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Hail in HOLT, NEBRASKA
From 08-AUG-10 13:41:00 to 08-AUG-10 13:41:00 (CST-6)
Location: STUART
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Hail in HOLT, NEBRASKA
From 08-AUG-10 14:06:00 to 08-AUG-10 14:06:00 (CST-6)
Location: ATKINSON
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Hail in HOLT, NEBRASKA
From 08-AUG-10 13:50:00 to 08-AUG-10 13:50:00 (CST-6)
Location: STUART
Magnitude: 2.00 
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported hail about the size of a turkey egg broke out picture windows of a home.

Hail in HOLT, NEBRASKA
From 08-AUG-10 14:23:00 to 08-AUG-10 14:23:00 (CST-6)
Location: ATKINSON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public reported pea to quarter sized hail along with wind gusts estimated to 60 mph or greater.

Thunderstorm Wind in HOLT, NEBRASKA
From 08-AUG-10 14:47:00 to 08-AUG-10 14:47:00 (CST-6)
Location: (ONL)O NEILL ARPT
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A Law Enforcement Officer reported straight line winds up to 70 mph and very heavy rainfall on the north edge of O'Neill.

Funnel Cloud in HOLT, NEBRASKA
From 08-AUG-10 14:56:00 to 08-AUG-10 14:56:00 (CST-6)
Location: (ONL)O NEILL ARPT
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

An Officer reported a brief funnel cloud on the northeast side of O'Neill.

Hail in HOLT, NEBRASKA
From 08-AUG-10 14:09:00 to 08-AUG-10 14:09:00 (CST-6)
Location: ATKINSON
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in BOYD, NEBRASKA
From 08-AUG-10 14:28:00 to 08-AUG-10 14:28:00 (CST-6)
Location: NAPER
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in HOLT, NEBRASKA
From 08-AUG-10 14:30:00 to 08-AUG-10 14:30:00 (CST-6)
Location: ATKINSON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Heavy Rain in BOYD, NEBRASKA
From 08-AUG-10 14:46:00 to 08-AUG-10 14:46:00 (CST-6)
Location: NAPER
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported 2 inches of rain fell in less than 20 minutes.

Thunderstorm Wind in HOLT, NEBRASKA
From 08-AUG-10 13:50:00 to 08-AUG-10 13:50:00 (CST-6)
Location: STUART
Magnitude: 52.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported power outages from wind damage in Stuart. Two large spruce trees were blown down 3.5 miles northeast of Stuart.

Thunderstorm Wind in HOLT, NEBRASKA
From 08-AUG-10 14:05:00 to 08-AUG-10 14:05:00 (CST-6)
Location: ATKINSON
Magnitude: 56.00 EG
Property damage: 120.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported six grain bins blown over 7 miles north of Atkinson.

Thunderstorm Wind in HOLT, NEBRASKA
From 08-AUG-10 13:55:00 to 08-AUG-10 13:55:00 (CST-6)
Location: STUART
Magnitude: 61.00 EG
Property damage: 60.00K
Crop damage: 50.00K
Reported by: Fire Department/Rescue

Spotters reported power poles and lines down along with grain bins blown over. Fields were stripped by damaging winds and hail.

Thunderstorm Wind in HOLT, NEBRASKA
From 08-AUG-10 14:08:00 to 08-AUG-10 14:08:00 (CST-6)
Location: ATKINSON
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Spotters estimated thunderstorm wind gusts to 61 knots.

Thunderstorm Wind in HOLT, NEBRASKA
From 08-AUG-10 14:15:00 to 08-AUG-10 14:15:00 (CST-6)
Location: EMMET
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotter estimated thunderstorm wind gusts to 61 knots.

Thunderstorm Wind in HOLT, NEBRASKA
From 08-AUG-10 13:33:00 to 08-AUG-10 13:33:00 (CST-6)
Location: STUART
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A report from the public estimated up to 60 mph wind gusts along with heavy rainfall and half inch diameter hail.

Thunderstorm Wind in HOLT, NEBRASKA
From 08-AUG-10 13:47:00 to 08-AUG-10 13:47:00 (CST-6)
Location: STUART
Magnitude: 52.00 EG
Property damage: 40.00K
Crop damage: 0.00K
Reported by: Public

The public reported an estimated wind gusts at 60 mph or higher that caused a 30 foot flexhead to be pushed over and a large dumpster to be moved over 100 feet. Hail to quarter size was also reported.

Thunderstorm Wind in HOLT, NEBRASKA
From 08-AUG-10 15:36:00 to 08-AUG-10 15:36:00 (CST-6)
Location: (ONL)O NEILL ARPT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public estimated thunderstorm winds at 52 knots.