A large upper level disturbance over the Rocky Mountains combined with a nearly stationary front over southeast Nebraska brought strong to severe thunderstorms to parts of the area for the second night in a row.  This time the stronger storms were generally confined to southeast Nebraska where a multicell cluster of storms bowed out across southeast Nebraska.  The storms did produce at least one weak tornado.

Hail in GAGE, NEBRASKA
From 06-MAY-07 19:45:00 to 06-MAY-07 19:45:00 (CST-6)
Location: BEATRICE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Flash Flood in SALINE, NEBRASKA
From 06-MAY-07 19:45:00 to 06-MAY-07 20:45:00 (CST-6)
Location: WILBER
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Rainfall of another inch or two produced flash flooding of streets in the Wilber area.  The rainfall was on top of the 2 to 4 inches which fell the previous day.

Flash Flood in GAGE, NEBRASKA
From 06-MAY-07 20:20:00 to 06-MAY-07 21:20:00 (CST-6)
Location: BEATRICE
Flood cause: Heavy Rain
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rainfall of an inch or two in an hour or so produced extensive street flooding in Beatrice.

Hail in JEFFERSON, NEBRASKA
From 06-MAY-07 19:18:00 to 06-MAY-07 19:18:00 (CST-6)
Location: DILLER
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Hail in GAGE, NEBRASKA
From 06-MAY-07 19:31:00 to 06-MAY-07 19:31:00 (CST-6)
Location: BEATRICE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Accompanied by winds around 60 mph.

Hail in JOHNSON, NEBRASKA
From 06-MAY-07 20:14:00 to 06-MAY-07 20:14:00 (CST-6)
Location: CRAB ORCHARD
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Flash Flood in LANCASTER, NEBRASKA
From 06-MAY-07 20:45:00 to 06-MAY-07 22:00:00 (CST-6)
Location: FIRTH
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rainfall of an inch or two produced flash flooding which blocked some county roads near Firth.

Flash Flood in GAGE, NEBRASKA
From 06-MAY-07 20:15:00 to 06-MAY-07 21:30:00 (CST-6)
Location: FILLEY
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rainfall of an inch or two produced flash flooding across county roads near Highway 136 between Filley and Crab Orchard.

Thunderstorm Wind in NEMAHA, NEBRASKA
From 06-MAY-07 20:35:00 to 06-MAY-07 20:35:00 (CST-6)
Location: AUBURN
Magnitude: 70.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: COOP Observer

Thunderstorm winds estimated at 60 to 80 mph damaged a hog building and destroyed a 100 by 60 foot machine shed southeast of Auburn.

Thunderstorm Wind in JOHNSON, NEBRASKA
From 06-MAY-07 20:25:00 to 06-MAY-07 20:25:00 (CST-6)
Location: COOK
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Thunderstorm wind gusts estimated at over 60 mph uprooted an oak tree southwest of Cook.

Tornado in JEFFERSON, NEBRASKA
From 06-MAY-07 18:50:00 to 06-MAY-07 18:53:00 (CST-6)
Location: STEELE CITY
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Embedded in a downburst, a more concentrated area of damage with a convergent signiture signalled a tornado tracked about 1 mile through Steele City.  The tornado caused structual damage to roofs and windows.  In addition, a portion of the roof of the town hall was torn off and a few trees uprooted.  Some twisting of trees was noted just northeast of town as the tornado lifted.

Flash Flood in OTOE, NEBRASKA
From 06-MAY-07 21:00:00 to 06-MAY-07 22:15:00 (CST-6)
Location: TALMAGE
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rainfall of 1 to 3 inches produced flash flooding which briefly crossed some county roads near Talmage and Lorton including Highways 128 and 67.  The flooding also caused the temporary loss of telephone service in Talmage due to a washout.

Flash Flood in JOHNSON, NEBRASKA
From 06-MAY-07 21:30:00 to 06-MAY-07 22:30:00 (CST-6)
Location: TECUMSEH
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Newspaper

Flash flooding washed out a county road bridge northwest of Sterling according to Emergency Management.  A few county roads were also flooded in the area.

Thunderstorm Wind in GAGE, NEBRASKA
From 06-MAY-07 19:31:00 to 06-MAY-07 19:31:00 (CST-6)
Location: BEATRICE
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm winds estimated at 60 mph destroyed a machine shed south of Beatrice.

Hail in JEFFERSON, NEBRASKA
From 06-MAY-07 19:05:00 to 06-MAY-07 19:11:00 (CST-6)
Location: STEELE CITY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail up to nickel size fell around the Steele City area for several minutes.

Flash Flood in JEFFERSON, NEBRASKA
From 06-MAY-07 19:50:00 to 06-MAY-07 21:30:00 (CST-6)
Location: FAIRBURY
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rainfall of an inch or so in an hour or less produced flash flooding of a few streets in Fairbury.  In addition, heavy rain caused flash flooding along portions of Indian Creek near Diller according to Jefferson county Emergency Management.  A few county roads were closed due to the flood waters.

Thunderstorm Wind in JEFFERSON, NEBRASKA
From 06-MAY-07 18:50:00 to 06-MAY-07 19:11:00 (CST-6)
Location: STEELE CITY
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A downburst that initially spun up a weak tornado in Steele City spread from that town northeast toward Diller.  The damage path of the downburst was about a mile wide with sporadic damage for about 5 miles.  Winds were estimated at around 80 mph.  Trees and farm outbuildings were damaged.

Thunderstorm Wind in RICHARDSON, NEBRASKA
From 06-MAY-07 20:25:00 to 06-MAY-07 20:25:00 (CST-6)
Location: HUMBOLDT
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Thunderstorm wind gusts estimated at around 80 mph destroyed a hay barn and cattle shed west of Humboldt along with causing some tree damage.

Thunderstorm Wind in GAGE, NEBRASKA
From 06-MAY-07 19:41:00 to 06-MAY-07 19:41:00 (CST-6)
Location: BEATRICE
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Winds of 60 to 70 mph were estimated by emergency management south of Beatrice.