A cold front moved southeast and became the focus for severe thunderstorm development into the evening hours across western and north central Nebraska. The storms initiated along the cold front and produced large hail and damaging winds. Heavy rainfall associated with the storms produced localized flash flooding in portions of Holt County.

Thunderstorm Wind in THOMAS, NEBRASKA
From 15-AUG-09 21:20:00 to 15-AUG-09 21:20:00 (CST-6)
Location: HALSEY
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The Bessy RAWS site recorded a 61 mph wind gust.

Thunderstorm Wind in GARFIELD, NEBRASKA
From 15-AUG-09 21:30:00 to 15-AUG-09 21:30:00 (CST-6)
Location: BURWELL
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A large tree was blown over by the strong winds.

Thunderstorm Wind in HOLT, NEBRASKA
From 15-AUG-09 22:00:00 to 15-AUG-09 22:00:00 (CST-6)
Location: SWAN LAKE
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The NWS cooperative weather observer reported wind gusts in excess of 60 mph.

Hail in CHERRY, NEBRASKA
From 15-AUG-09 19:13:00 to 15-AUG-09 19:13:00 (CST-6)
Location: BROWNLEE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in THOMAS, NEBRASKA
From 15-AUG-09 20:40:00 to 15-AUG-09 20:40:00 (CST-6)
Location: HALSEY
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public estimated wind gusts in excess of 60 mph west of Halsey.

Flash Flood in HOLT, NEBRASKA
From 15-AUG-09 19:06:00 to 15-AUG-09 19:06:00 (CST-6)
Location: CHAMBERS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Flooding was reported to the south of Chambers with a barricade placed on the county road running south of town. The public reported up to 3.50 inches of rainfall south of town.

Thunderstorm Wind in THOMAS, NEBRASKA
From 15-AUG-09 20:10:00 to 15-AUG-09 20:10:00 (CST-6)
Location: THEDFORD
Magnitude: 61.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

The automated observing equipment at the Thedford airport reported a wind gust of 61 mph.

Thunderstorm Wind in THOMAS, NEBRASKA
From 15-AUG-09 20:14:00 to 15-AUG-09 20:14:00 (CST-6)
Location: THEDFORD
Magnitude: 78.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

The automated surface observing system at the Thedford airport reported a wind gust of 78 mph with sustained winds of 66 mph.

Hail in THOMAS, NEBRASKA
From 15-AUG-09 20:30:00 to 15-AUG-09 20:30:00 (CST-6)
Location: HALSEY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Wind in excess of 60 mph accompanied the hail.

Thunderstorm Wind in THOMAS, NEBRASKA
From 15-AUG-09 20:30:00 to 15-AUG-09 20:30:00 (CST-6)
Location: HALSEY
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public reported wind gusts in excess of 60 mph along with quarter size hail.  Several tree branches were broken off.

Hail in HOOKER, NEBRASKA
From 15-AUG-09 18:37:00 to 15-AUG-09 18:37:00 (MST-7)
Location: MULLEN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in SHERIDAN, NEBRASKA
From 15-AUG-09 16:15:00 to 15-AUG-09 16:15:00 (MST-7)
Location: HAY SPGS
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public estimated wind gusts in excess of 60 mph with torrential rainfall.

Thunderstorm Wind in SHERIDAN, NEBRASKA
From 15-AUG-09 16:21:00 to 15-AUG-09 16:21:00 (MST-7)
Location: HAY SPGS
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Strong wind gusts damaged trees with fallen limbs.

Thunderstorm Wind in SHERIDAN, NEBRASKA
From 15-AUG-09 16:44:00 to 15-AUG-09 16:44:00 (MST-7)
Location: WHITE CLAY
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public reported wind gusts that were estimated to be in excess of 60 mph.

Thunderstorm Wind in CHERRY, NEBRASKA
From 15-AUG-09 18:25:00 to 15-AUG-09 18:25:00 (CST-6)
Location: IRWIN
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public estimated wind gusts in excess of 60 mph.

Thunderstorm Wind in THOMAS, NEBRASKA
From 15-AUG-09 20:01:00 to 15-AUG-09 20:01:00 (CST-6)
Location: THEDFORD
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public estimated wind gusts to 60 mph with marble size hail.

Hail in CHERRY, NEBRASKA
From 15-AUG-09 18:25:00 to 15-AUG-09 18:25:00 (CST-6)
Location: IRWIN
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public reported hail up to the size of half dollars and winds in excess of 60 mph.

Hail in CHERRY, NEBRASKA
From 15-AUG-09 18:49:00 to 15-AUG-09 18:49:00 (CST-6)
Location: MERRITT RES
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public