A semi stationary front across the plains over a three day period remained the focus for thunderstorm development on June 11th. The thunderstorms developed initially on the high plains and spread east and intensified producing several large hail events and an isolated tornado in western Nebraska. Overnight as the low level jet strengthened storms continued producing heavy rainfall over already saturated grounds that led to flash flooding.

Thunderstorm Wind in DEUEL, NEBRASKA
From 11-JUN-10 20:10:00 to 11-JUN-10 20:10:00 (MST-7)
Location: BIG SPGS
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Thunderstorm Wind in LINCOLN, NEBRASKA
From 11-JUN-10 22:49:00 to 11-JUN-10 22:49:00 (CST-6)
Location: SUTHERLAND RES
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Utility Company

Thunderstorm Wind in HOLT, NEBRASKA
From 11-JUN-10 03:16:00 to 11-JUN-10 03:16:00 (CST-6)
Location: ATKINSON
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Emergency Manager

The emergency manager reported 24 to 36 inch diameter trees were uprooted and chimneys blown from roofs overnight.

Hail in GARDEN, NEBRASKA
From 11-JUN-10 18:35:00 to 11-JUN-10 18:35:00 (MST-7)
Location: LISCO
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Hail in GARDEN, NEBRASKA
From 11-JUN-10 19:24:00 to 11-JUN-10 19:24:00 (MST-7)
Location: OSHKOSH
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Tornado in LINCOLN, NEBRASKA
From 11-JUN-10 23:00:00 to 11-JUN-10 23:00:00 (CST-6)
Location: SUTHERLAND
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

No damage was reported with the brief touchdown.

Tornado in LINCOLN, NEBRASKA
From 11-JUN-10 23:15:00 to 11-JUN-10 23:15:00 (CST-6)
Location: NORTH PLATTE
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A motorist pulled off of Interstate 80 at Hershey and spotted a partially rain wrapped tornado to the east kicking up a cloud of dust.  No damage was reported.

Thunderstorm Wind in LINCOLN, NEBRASKA
From 11-JUN-10 23:37:00 to 11-JUN-10 23:37:00 (CST-6)
Location: NORTH PLATTE
Magnitude: 51.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A twelve inch diameter tree branch fell onto a parked car.

Thunderstorm Wind in LINCOLN, NEBRASKA
From 11-JUN-10 23:32:00 to 11-JUN-10 23:32:00 (CST-6)
Location: SUTHERLAND RES
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Utility Company

Thunderstorm Wind in LINCOLN, NEBRASKA
From 11-JUN-10 23:49:00 to 11-JUN-10 23:49:00 (CST-6)
Location: (LBF)BIRD FLD NORTH
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Flood in WHEELER, NEBRASKA
From 12-JUN-10 04:00:00 to 13-JUN-10 12:00:00 (CST-6)
Location: ERICSON
Flood cause: Heavy Rain
Property damage: 75.00K
Crop damage: 10.00K
Reported by: Law Enforcement

Thunderstorms with prolonged heavy rain falling on already saturated ground caused widespread minor flooding.  Three to five inches of rain contributed to numerous secondary roads being under water or washed away.

Flood in ROCK, NEBRASKA
From 12-JUN-10 03:00:00 to 13-JUN-10 12:00:00 (CST-6)
Location: NEWPORT
Flood cause: Heavy Rain
Property damage: 120.00K
Crop damage: 20.00K
Reported by: Newspaper

Thunderstorms with prolonged heavy rain caused widespread flooding across southeastern Rock County.  Highway 20 near Newport and Highway 183 south of Bassett were under water.  Numerous rural roads were severely damaged from flooding.

Hail in GRANT, NEBRASKA
From 11-JUN-10 20:22:00 to 11-JUN-10 20:22:00 (MST-7)
Location: HYANNIS
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in HOLT, NEBRASKA
From 11-JUN-10 11:20:00 to 11-JUN-10 11:20:00 (CST-6)
Location: ATKINSON
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The emergency manager reported 24 to 36 inch diameter trees were uprooted and chimneys blown from roofs overnight.

Thunderstorm Wind in LINCOLN, NEBRASKA
From 11-JUN-10 23:57:00 to 11-JUN-10 23:57:00 (CST-6)
Location: (LBF)BIRD FLD NORTH
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm Wind in KEITH, NEBRASKA
From 11-JUN-10 01:10:00 to 11-JUN-10 01:10:00 (MST-7)
Location: ROSCOE
Magnitude: 60.00 EG
Crop damage: 0.00K
Reported by: Emergency Manager

Winds hit the rail cars of two Union Pacific trains moving in opposite directions on adjacent tracks causing the cars to collide.  Extensive damage was done to the rail cars and cargo as one of the trains was carrying cargo laden semi trailers.  The rail line was shut down for a period of time due to the wreckage.

Hail in PERKINS, NEBRASKA
From 11-JUN-10 21:30:00 to 11-JUN-10 21:30:00 (MST-7)
Location: GRAINTON
Magnitude: 2.75 
Reported by: Fire Department/Rescue

All of the windows on the west side of the house were broken out from the hail.

Thunderstorm Wind in LINCOLN, NEBRASKA
From 11-JUN-10 23:49:00 to 11-JUN-10 23:49:00 (CST-6)
Location: NORTH PLATTE
Magnitude: 51.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

A tree, two feet in diameter, snapped at the base in Memorial Park. The time of the event was estimated from the peak wind gust measured four miles east at the ASOS at Lee Bird Field.

Flood in CUSTER, NEBRASKA
From 11-JUN-10 23:45:00 to 13-JUN-10 12:00:00 (CST-6)
Location: MERNA
Flood cause: Heavy Rain
Property damage: 300.00K
Crop damage: 35.00K
Reported by: Emergency Manager

Thunderstorms with prolonged heavy rain falling on already saturated ground caused widespread flooding through northern and central Custer County.  Three to five inches of rain caused water to flow across the Victoria Springs Road, the Callaway Road, and Highway 92 near Merna.  The rain produced a sink hole, 4 feet in depth, to form in the road between Merna and Victoria Springs.  The south side of the Sargent Diversion Dam collapsed sending a tremendous amount of water to the Comstock Diversion Dam which held the water.  Numerous rural roads were also severely damaged.

Thunderstorm Wind in LINCOLN, NEBRASKA
From 11-JUN-10 23:53:00 to 11-JUN-10 23:53:00 (CST-6)
Location: BRADY
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Wind driven rain reduced visibilities and caused traffic to stop until the storm moved east.

Flood in LOUP, NEBRASKA
From 12-JUN-10 02:00:00 to 13-JUN-10 12:00:00 (CST-6)
Location: ALMERIA
Flood cause: Heavy Rain
Property damage: 0.50M
Crop damage: 50.00K
Reported by: Law Enforcement

Thunderstorms with prolonged heavy rain falling on already saturated ground caused widespread flooding.  A foot of water covered Highway 91 from mile marker 35 to 37 between Brewster and Taylor.  The Highway 183 bridge across the North Loup River was washed away as 4 to 6 inches of rain fell over the river basin.  Numerous secondary roads were under water or washed away.

Flood in LINCOLN, NEBRASKA
From 12-JUN-10 02:00:00 to 13-JUN-10 08:00:00 (CST-6)
Location: SUTHERLAND
Flood cause: Heavy Rain
Property damage: 125.00K
Crop damage: 50.00K
Reported by: County Official

Thunderstorms with prolonged heavy rain falling on already saturated ground caused widespread flooding across northwest Lincoln County.  Up to 6 inches of rain fell with severely damaged rural roads.  The intersection of Range and Walker Road was washed out.

Flood in BLAINE, NEBRASKA
From 12-JUN-10 02:00:00 to 13-JUN-10 12:00:00 (CST-6)
Location: PURDUM
Flood cause: Heavy Rain
Property damage: 130.00K
Crop damage: 10.00K
Reported by: Law Enforcement

Thunderstorms with prolonged heavy rain falling on already saturated ground caused widespread flooding.  Three to five inches of rain caused damage to numerous secondary roads as they were under water or washed away.

Flood in MCPHERSON, NEBRASKA
From 12-JUN-10 02:00:00 to 13-JUN-10 08:00:00 (CST-6)
Location: TRYON
Flood cause: Heavy Rain
Property damage: 75.00K
Crop damage: 15.00K
Reported by: County Official

Thunderstorms with prolonged heavy rain falling on already saturated ground caused widespread flooding across eastern McPherson County.  Three to five inches of rain fell, severely damaging rural roads.

Flood in LOGAN, NEBRASKA
From 12-JUN-10 02:00:00 to 13-JUN-10 08:00:00 (CST-6)
Location: STAPLETON
Flood cause: Heavy Rain
Property damage: 50.00K
Crop damage: 10.00K
Reported by: County Official

Thunderstorms with prolonged heavy rain falling on already saturated ground caused widespread flooding across eastern Logan County.  Three to five inches of rain fell, severely damaging rural roads.

Flood in THOMAS, NEBRASKA
From 12-JUN-10 02:00:00 to 13-JUN-10 08:00:00 (CST-6)
Location: HALSEY
Flood cause: Heavy Rain
Property damage: 50.00K
Crop damage: 5.00K
Reported by: County Official

Thunderstorms with prolonged heavy rain falling on already saturated ground caused widespread flooding across Thomas County.  Three to five inches of rain fell, severely damaging rural roads.

Flood in BROWN, NEBRASKA
From 12-JUN-10 03:00:00 to 13-JUN-10 12:00:00 (CST-6)
Location: JOHNSTOWN
Flood cause: Heavy Rain
Property damage: 75.00K
Crop damage: 10.00K
Reported by: Newspaper

Thunderstorms with prolonged heavy rain caused widespread flooding across southern Brown County.  The Calamus River undercut the Elsmere Road and numerous other rural roads were severely damaged from flooding.

Flood in BOYD, NEBRASKA
From 12-JUN-10 22:00:00 to 13-JUN-10 12:00:00 (CST-6)
Location: SPENCER
Flood cause: Heavy Rain
Property damage: 75.00K
Crop damage: 10.00K
Reported by: Law Enforcement

Thunderstorms with prolonged rain falling on already saturated ground caused widespread minor flooding along Ponca Creek in Boyd County. Power poles toppled due to errosion along the river bank.  In addition, numerous rural roads were damaged due to the rain and flooding.

Flood in HOLT, NEBRASKA
From 12-JUN-10 03:00:00 to 13-JUN-10 12:00:00 (CST-6)
Location: AMELIA
Flood cause: Heavy Rain
Property damage: 200.00K
Crop damage: 25.00K
Reported by: Law Enforcement

Thunderstorms with prolonged heavy rain falling on already saturated ground caused widespread flooding.  Water was flowing over Highway 20 at Inman, Highway 281 south of O'Neill, and the intersection of Highways 95 and 11 west of Chambers.  The approach to the bridge over the south fork of the Elkhorn River near Ewing was washed away.  Numerous secondary roads were under water or washed out.  A cooperative observer 7 miles southwest of Amelia reported 4.28 inches of rain.

Flood in GARFIELD, NEBRASKA
From 12-JUN-10 04:00:00 to 13-JUN-10 12:00:00 (CST-6)
Location: BURWELL
Flood cause: Heavy Rain
Property damage: 130.00K
Crop damage: 10.00K
Reported by: Law Enforcement

Thunderstorms with prolonged heavy rain falling on already saturated ground caused widespread flooding.  Three to five inches of rain contributed to numerous secondary roads being under water or washed away.  Low land flooding also occurred in the Burwell City Park near the North Loup River.

Flood in HAYES, NEBRASKA
From 12-JUN-10 17:00:00 to 13-JUN-10 12:00:00 (CST-6)
Location: HAMLET
Flood cause: Heavy Rain
Property damage: 75.00K
Crop damage: 25.00K
Reported by: Emergency Manager

Thunderstorms with heavy rain falling on already saturated ground caused widespread minor flooding in northwest Hayes County.  Rainfall of 2 to 5 inches contributed to numerous rural roads being washed out or severely damaged from water flowing across them.  The Stinking Water Creek overflowed across Hamlet Road.

Flood in CHASE, NEBRASKA
From 12-JUN-10 16:00:00 to 13-JUN-10 12:00:00 (MST-7)
Location: WAUNETA
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 20.00K
Reported by: County Official

Thunderstorms with prolonged heavy rain falling on already saturated ground caused low land flooding along the Stinking Water Creek in eastern Chase County.  Water was flowing over several county roads.

Flood in CHERRY, NEBRASKA
From 12-JUN-10 03:00:00 to 13-JUN-10 12:00:00 (CST-6)
Location: ELSMERE
Flood cause: Heavy Rain
Property damage: 125.00K
Crop damage: 15.00K
Reported by: Department of Highways

Thunderstorms with prolonged heavy rain caused widespread flooding across southeast Cherry County.  Several rural roads along Goose Creek were severely damaged from flooding.

Hail in LINCOLN, NEBRASKA
From 11-JUN-10 22:49:00 to 11-JUN-10 22:49:00 (CST-6)
Location: SUTHERLAND RES
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public