Severe thunderstorms developed during the early morning hours and continued throughout the morning producing several reports of hail and some flash flooding. During the afternoon, tornadic supercells developed leading to reports of tornadoes, hail and flash flooding which continued into the early evening.

Flash Flood in KEYA PAHA, NEBRASKA
From 05-MAY-07 16:00:00 to 05-MAY-07 20:00:00 (CST-6)
Location: SPRINGVIEW
Flood cause: Heavy Rain
Property damage: 120.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Heavy rains from thunderstorms caused flash flooding and washed out some bridges, roads, and culverts.  Emergency management reported that 67 miles of roads were closed in the county.

Thunderstorm Wind in LINCOLN, NEBRASKA
From 05-MAY-07 01:30:00 to 05-MAY-07 01:30:00 (CST-6)
Location: NORTH PLATTE
Magnitude: 63.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Measured from Union Pacific mesonet observation.

Thunderstorm Wind in GARFIELD, NEBRASKA
From 05-MAY-07 04:40:00 to 05-MAY-07 04:40:00 (CST-6)
Location: BURWELL
Magnitude: 60.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: COOP Observer

The thunderstorm outflow winds overturned a semi-tractor trailer at the alfalfa mill and ripped off the grandstand roof at the rodeo grounds.  Trees were also uprooted.

Hail in HOLT, NEBRASKA
From 05-MAY-07 00:17:00 to 05-MAY-07 00:17:00 (CST-6)
Location: CHAMBERS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in LINCOLN, NEBRASKA
From 05-MAY-07 00:18:00 to 05-MAY-07 00:18:00 (CST-6)
Location: BRADY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CHASE, NEBRASKA
From 04-MAY-07 23:35:00 to 04-MAY-07 23:35:00 (MST-7)
Location: IMPERIAL
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Hail in PERKINS, NEBRASKA
From 04-MAY-07 23:41:00 to 04-MAY-07 23:41:00 (MST-7)
Location: MADRID
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in BLAINE, NEBRASKA
From 05-MAY-07 01:00:00 to 05-MAY-07 01:00:00 (CST-6)
Location: DUNNING
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CUSTER, NEBRASKA
From 05-MAY-07 01:30:00 to 05-MAY-07 01:30:00 (CST-6)
Location: CALLAWAY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in GRANT, NEBRASKA
From 05-MAY-07 08:00:00 to 05-MAY-07 08:00:00 (MST-7)
Location: HYANNIS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CHERRY, NEBRASKA
From 05-MAY-07 13:45:00 to 05-MAY-07 13:45:00 (CST-6)
Location: MERRIMAN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in KEITH, NEBRASKA
From 05-MAY-07 12:58:00 to 05-MAY-07 12:58:00 (MST-7)
Location: OGALLALA
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in BLAINE, NEBRASKA
From 05-MAY-07 14:30:00 to 05-MAY-07 14:30:00 (CST-6)
Location: DUNNING
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CHERRY, NEBRASKA
From 05-MAY-07 14:47:00 to 05-MAY-07 14:47:00 (CST-6)
Location: MERRIMAN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CHERRY, NEBRASKA
From 05-MAY-07 15:55:00 to 05-MAY-07 15:55:00 (CST-6)
Location: CODY
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in BLAINE, NEBRASKA
From 05-MAY-07 16:20:00 to 05-MAY-07 16:20:00 (CST-6)
Location: BREWSTER
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Flash Flood in CUSTER, NEBRASKA
From 05-MAY-07 06:58:00 to 05-MAY-07 10:00:00 (CST-6)
Location: BERWYN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported water flowing over State Highways 2 and 92.

Hail in CHERRY, NEBRASKA
From 05-MAY-07 09:15:00 to 05-MAY-07 09:15:00 (CST-6)
Location: WOOD LAKE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CUSTER, NEBRASKA
From 05-MAY-07 16:23:00 to 05-MAY-07 16:23:00 (CST-6)
Location: ANSELMO
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in BROWN, NEBRASKA
From 05-MAY-07 17:48:00 to 05-MAY-07 17:48:00 (CST-6)
Location: AINSWORTH
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CUSTER, NEBRASKA
From 04-MAY-07 23:00:00 to 04-MAY-07 23:05:00 (CST-6)
Location: MASON CITY
Magnitude: 1.75 
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Hail quarter to golf ball size lasted for five minutes.  Several vehicles received damage.

Hail in CUSTER, NEBRASKA
From 05-MAY-07 00:00:00 to 05-MAY-07 00:00:00 (CST-6)
Location: SARGENT
Magnitude: 1.75 
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Public

Several vehicles received damage.

Hail in LINCOLN, NEBRASKA
From 05-MAY-07 00:53:00 to 05-MAY-07 00:53:00 (CST-6)
Location: BRADY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 3.00K
Reported by: Public

A mature alfalfa field was flattened by the hail.

Hail in CUSTER, NEBRASKA
From 05-MAY-07 02:45:00 to 05-MAY-07 02:45:00 (CST-6)
Location: CALLAWAY
Magnitude: 1.75 
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Public

A couple of vehicles sustained damage.

Hail in HOLT, NEBRASKA
From 05-MAY-07 08:08:00 to 05-MAY-07 08:08:00 (CST-6)
Location: CHAMBERS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CHERRY, NEBRASKA
From 05-MAY-07 09:18:00 to 05-MAY-07 09:18:00 (CST-6)
Location: WOOD LAKE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in BROWN, NEBRASKA
From 05-MAY-07 10:10:00 to 05-MAY-07 10:10:00 (CST-6)
Location: AINSWORTH
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in THOMAS, NEBRASKA
From 05-MAY-07 11:59:00 to 05-MAY-07 11:59:00 (CST-6)
Location: THEDFORD
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CUSTER, NEBRASKA
From 05-MAY-07 12:15:00 to 05-MAY-07 12:15:00 (CST-6)
Location: ARNOLD
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in GARDEN, NEBRASKA
From 05-MAY-07 11:15:00 to 05-MAY-07 11:15:00 (MST-7)
Location: OSHKOSH
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in BLAINE, NEBRASKA
From 05-MAY-07 12:55:00 to 05-MAY-07 12:55:00 (CST-6)
Location: DUNNING
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in KEYA PAHA, NEBRASKA
From 05-MAY-07 17:53:00 to 05-MAY-07 17:53:00 (CST-6)
Location: SPRINGVIEW
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CUSTER, NEBRASKA
From 05-MAY-07 11:55:00 to 05-MAY-07 11:55:00 (CST-6)
Location: ARNOLD
Magnitude: 1.75 
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The hail damaged numerous cars.

Hail in LOUP, NEBRASKA
From 05-MAY-07 11:59:00 to 05-MAY-07 11:59:00 (CST-6)
Location: TAYLOR
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CUSTER, NEBRASKA
From 04-MAY-07 23:29:00 to 04-MAY-07 23:29:00 (CST-6)
Location: COMSTOCK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Hail in WHEELER, NEBRASKA
From 04-MAY-07 23:30:00 to 04-MAY-07 23:30:00 (CST-6)
Location: ERICSON
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CUSTER, NEBRASKA
From 05-MAY-07 00:00:00 to 05-MAY-07 00:00:00 (CST-6)
Location: MERNA
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in WHEELER, NEBRASKA
From 05-MAY-07 00:15:00 to 05-MAY-07 00:15:00 (CST-6)
Location: BARTLETT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CUSTER, NEBRASKA
From 05-MAY-07 13:30:00 to 05-MAY-07 13:30:00 (CST-6)
Location: OCONTO
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in BLAINE, NEBRASKA
From 05-MAY-07 13:42:00 to 05-MAY-07 13:42:00 (CST-6)
Location: DUNNING
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in KEITH, NEBRASKA
From 05-MAY-07 13:22:00 to 05-MAY-07 13:22:00 (MST-7)
Location: KEYSTONE
Magnitude: 2.50 
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Newspaper

The hail stripped siding on homes, broke windows, damaged roofs, and severely damaged vehicles.

Flash Flood in CUSTER, NEBRASKA
From 05-MAY-07 16:00:00 to 05-MAY-07 19:00:00 (CST-6)
Location: ARNOLD
Flood cause: Heavy Rain
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Newspaper

Heavy rain from thunderstorms caused a bridge and culvert to wash out in Old Mill Park in Arnold.  The ground was already saturated from heavy rain overnight.

Flash Flood in BROWN, NEBRASKA
From 05-MAY-07 16:00:00 to 05-MAY-07 19:00:00 (CST-6)
Location: AINSWORTH
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

With already saturated ground from overnight thunderstorms, additional heavy rain from thunderstorms caused water to flow over roadways and some bridges.

Hail in SHERIDAN, NEBRASKA
From 05-MAY-07 09:50:00 to 05-MAY-07 10:00:00 (MST-7)
Location: GORDON
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Hail in LINCOLN, NEBRASKA
From 05-MAY-07 11:20:00 to 05-MAY-07 11:20:00 (CST-6)
Location: BRADY
Magnitude: 1.75 
Property damage: 1.20K
Crop damage: 0.00K
Reported by: Public

Hail in LINCOLN, NEBRASKA
From 05-MAY-07 12:14:00 to 05-MAY-07 12:14:00 (CST-6)
Location: BRADY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in LOGAN, NEBRASKA
From 05-MAY-07 13:38:00 to 05-MAY-07 13:38:00 (CST-6)
Location: STAPLETON
Magnitude: 1.75 
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Public

Hail in BROWN, NEBRASKA
From 05-MAY-07 14:00:00 to 05-MAY-07 14:00:00 (CST-6)
Location: JOHNSTOWN
Magnitude: 2.50 
Property damage: 3.00K
Crop damage: 0.00K
Reported by: COOP Observer

Vehicles sustained damage from the hail.

Hail in CHERRY, NEBRASKA
From 05-MAY-07 15:34:00 to 05-MAY-07 15:34:00 (CST-6)
Location: ELI
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The streets were white with nickel and dime size hail with an occasional quarter size hail.

Hail in BOYD, NEBRASKA
From 05-MAY-07 16:50:00 to 05-MAY-07 16:50:00 (CST-6)
Location: NAPER
Magnitude: 2.00 
Property damage: 1.20K
Crop damage: 0.00K
Reported by: Public

A vehicle sustained hail damage.

Flash Flood in LINCOLN, NEBRASKA
From 05-MAY-07 00:56:00 to 05-MAY-07 05:00:00 (CST-6)
Location: MAXWELL
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported water over State Spur Route 556A just north of Fort McPherson National Cemetery.