A warm front lifted north across eastern Nebraska during the afternoon of April 23rd.  This allowed unstable conditions to spread north across the region.  A large upper level low pressure system began moving onto the plains from the central Rocky Mountains during the evening of the 23rd which aided in thunderstorm development over the region.  In addition...a dryline spread into southeast Nebraska during the evening of the 23rd also aiding in convective development.

Hail in DOUGLAS, NEBRASKA
From 23-APR-10 20:17:00 to 23-APR-10 20:29:00 (CST-6)
Location: VALLEY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail at the NWS office fell for almost 20 minutes, although there was a brief break.  The hail reached 1 inch in diameter toward the end of the second episode and was accompanied by very heavy rain, with nearly 2 inches measured from the storm, and 35 mph winds.

Hail in WASHINGTON, NEBRASKA
From 23-APR-10 20:34:00 to 23-APR-10 20:34:00 (CST-6)
Location: BLAIR
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in OTOE, NEBRASKA
From 23-APR-10 20:40:00 to 23-APR-10 20:40:00 (CST-6)
Location: PALMYRA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CEDAR, NEBRASKA
From 23-APR-10 21:03:00 to 23-APR-10 21:03:00 (CST-6)
Location: RANDOLPH
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in SAUNDERS, NEBRASKA
From 23-APR-10 21:14:00 to 23-APR-10 21:14:00 (CST-6)
Location: WAHOO
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LANCASTER, NEBRASKA
From 23-APR-10 19:30:00 to 23-APR-10 19:30:00 (CST-6)
Location: BENNET
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in DOUGLAS, NEBRASKA
From 23-APR-10 20:10:00 to 23-APR-10 20:10:00 (CST-6)
Location: VALLEY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Thunderstorm Wind in SAUNDERS, NEBRASKA
From 23-APR-10 20:04:00 to 23-APR-10 20:04:00 (CST-6)
Location: YUTAN
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management estimated thunderstorm wind gusts reached around 60 mph southwest of Yutan.

Hail in GAGE, NEBRASKA
From 23-APR-10 18:39:00 to 23-APR-10 18:39:00 (CST-6)
Location: ADAMS
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Hail in LANCASTER, NEBRASKA
From 23-APR-10 18:45:00 to 23-APR-10 18:45:00 (CST-6)
Location: BENNET
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in LANCASTER, NEBRASKA
From 23-APR-10 18:54:00 to 23-APR-10 18:54:00 (CST-6)
Location: BENNET
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Hail in LANCASTER, NEBRASKA
From 23-APR-10 19:05:00 to 23-APR-10 19:05:00 (CST-6)
Location: WAVERLY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in SAUNDERS, NEBRASKA
From 23-APR-10 19:30:00 to 23-APR-10 19:30:00 (CST-6)
Location: WESTON
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public reported a few hailstones reached golfball-size.

Hail in SARPY, NEBRASKA
From 23-APR-10 18:02:00 to 23-APR-10 18:02:00 (CST-6)
Location: GRETNA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail up to 1 inch in diameter was observed by off duty NWS meteorologists along Interstate 80 near exit 432.

Hail in GAGE, NEBRASKA
From 23-APR-10 18:15:00 to 23-APR-10 18:15:00 (CST-6)
Location: FILLEY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in BURT, NEBRASKA
From 23-APR-10 21:33:00 to 23-APR-10 21:33:00 (CST-6)
Location: TEKAMAH
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in ANTELOPE, NEBRASKA
From 23-APR-10 22:48:00 to 23-APR-10 22:48:00 (CST-6)
Location: NELIGH
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in CASS, NEBRASKA
From 23-APR-10 19:47:00 to 23-APR-10 19:47:00 (CST-6)
Location: GREENWOOD
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail in LANCASTER, NEBRASKA
From 23-APR-10 18:50:00 to 23-APR-10 18:50:00 (CST-6)
Location: WAVERLY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Accompanied by 50 mph gusts.

Hail in CASS, NEBRASKA
From 23-APR-10 19:35:00 to 23-APR-10 19:35:00 (CST-6)
Location: ALVO
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public