Thunderstorms repeatedly tracked from northeast Nebraska southeast along the Missouri River Valley of eastern Nebraska and southwest Iowa during the early morning hours of August 22.  The storms produced a few large hail and damaging wind reports, but mostly dropped heavy rain in a narrow band from 40 to 50 miles northwest through southeast of Omaha.  In this band rainfall of 2 to 4 inches was common with isolated 5+ inch reports.

Hail in KNOX, NEBRASKA
From 22-AUG-11 00:10:00 to 22-AUG-11 00:10:00 (CST-6)
Location: CENTER
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CUMING, NEBRASKA
From 22-AUG-11 00:45:00 to 22-AUG-11 00:45:00 (CST-6)
Location: ALOYS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in DOUGLAS, NEBRASKA
From 22-AUG-11 01:45:00 to 22-AUG-11 02:00:00 (CST-6)
Location: OMAHA
Magnitude: 1.00 
Reported by: NWS Employee

Hail around quarter-size fell in parts of midtown Omaha from one of the several slow-moving super-cell thunderstorms that tracked across the city during the predawn hours of August 22.  The hail did some tree and plant damage.

Heavy Rain in DOUGLAS, NEBRASKA
From 22-AUG-11 02:15:00 to 22-AUG-11 04:15:00 (CST-6)
Location: OMAHA
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Rainfall amounts of 5.18 inches near Hanscom Park, 4.82 inches near 24th and Dodge and 4.89 inches at the 61st and Ames Street Fire Station were reported by the City of Omaha Public Works Dept.

Thunderstorm Wind in CUMING, NEBRASKA
From 22-AUG-11 01:45:00 to 22-AUG-11 01:45:00 (CST-6)
Location: ALOYS
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm wind gusts were estimated at around 60 mph.  Hail of 1/2 inch or possibly larger accompanied the strong winds.

Hail in SARPY, NEBRASKA
From 22-AUG-11 02:33:00 to 22-AUG-11 02:45:00 (CST-6)
Location: AVERY
Magnitude: 3.00 
Reported by: Broadcast Media

Hail up to 2 to 3 inches in diameter fell in the Bellevue area causing some vehicle and house damage.

Hail in DODGE, NEBRASKA
From 22-AUG-11 03:03:00 to 22-AUG-11 03:03:00 (CST-6)
Location: FREMONT
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Flash Flood in DOUGLAS, NEBRASKA
From 22-AUG-11 04:00:00 to 22-AUG-11 06:00:00 (CST-6)
Location: DELBOT
Flood cause: Heavy Rain
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Newspaper

Rainfall of 2 to 5+ inches fell in a narrow band across northern and eastern Omaha.  The heavy rain caused flash flooding of downtown area streets prompting their closure.  The flooding also forced evacuations of at least 2 businesses in the downtown area.

Hail in DOUGLAS, NEBRASKA
From 22-AUG-11 02:45:00 to 22-AUG-11 02:45:00 (CST-6)
Location: OMAHA
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Reported near 50th and Center Streets, from one of the several slow-moving super-cell thunderstorms that produced large hail and heavy rain across the metro during the predawn hours of Aug. 22.

Hail in DODGE, NEBRASKA
From 22-AUG-11 03:00:00 to 22-AUG-11 03:00:00 (CST-6)
Location: FREMONT
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail up to golf ball-size caused some tree and plant damage in the area.

Hail in DODGE, NEBRASKA
From 22-AUG-11 03:00:00 to 22-AUG-11 03:10:00 (CST-6)
Location: HOOPER
Magnitude: 1.75 
Reported by: Newspaper

Hail up to golf ball-size fell in the Hooper area for about 10 minutes.  Corn and soybean fields were stripped about 6 miles north of town.