Thunderstorms developed during the early evening hours in the Nebraska Panhandle along an approaching cold front. As storms tracked east they became more widespread in nature. Large hail up to the size of tennis balls, and a measured wind gust of 86 MPH was reported at Broken Bow. Heavy rain early in the morning on the 24th, led to flash flooding north of Broken Bow.

Flash Flood in CUSTER, NEBRASKA
From 24-MAY-20 01:00:00 to 24-MAY-20 01:00:00 (CST-6)
Location: (BBW)BROKEN BOW ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Cramer Canyon Road has 4 feet of fast moving water running over it.

Flash Flood in CUSTER, NEBRASKA
From 24-MAY-20 01:00:00 to 24-MAY-20 01:00:00 (CST-6)
Location: MERNA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Highway 2 between mile markers 272 and 273 has one lane flooded.

Flash Flood in CUSTER, NEBRASKA
From 24-MAY-20 01:00:00 to 24-MAY-20 01:00:00 (CST-6)
Location: MERNA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Road 433 near Merna is washed out and covered with water.

Flash Flood in CUSTER, NEBRASKA
From 24-MAY-20 01:00:00 to 24-MAY-20 01:00:00 (CST-6)
Location: GATES
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Gates Road north of Broken Bow is Flooded.

Hail in SHERIDAN, NEBRASKA
From 23-MAY-20 18:23:00 to 23-MAY-20 18:23:00 (MST-7)
Location: GORDON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Dime to quarter sized hail reported at this location.

Hail in DEUEL, NEBRASKA
From 23-MAY-20 18:29:00 to 23-MAY-20 18:29:00 (MST-7)
Location: CHAPPELL
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DEUEL, NEBRASKA
From 23-MAY-20 18:43:00 to 23-MAY-20 18:43:00 (MST-7)
Location: CHAPPELL
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DEUEL, NEBRASKA
From 23-MAY-20 18:58:00 to 23-MAY-20 18:58:00 (MST-7)
Location: CHAPPELL
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in KEITH, NEBRASKA
From 23-MAY-20 20:15:00 to 23-MAY-20 20:15:00 (MST-7)
Location: LEMOYNE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Heavy rain along with quarter sized hail reported at this location.

Hail in CUSTER, NEBRASKA
From 23-MAY-20 21:25:00 to 23-MAY-20 21:25:00 (CST-6)
Location: CALLAWAY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Quarter sized hail reported at this location. Time estimated by radar.

Hail in BLAINE, NEBRASKA
From 23-MAY-20 22:50:00 to 23-MAY-20 22:50:00 (CST-6)
Location: BREWSTER
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Quarter to half dollar sized hail reported at this location.

Hail in CUSTER, NEBRASKA
From 23-MAY-20 22:50:00 to 23-MAY-20 22:50:00 (CST-6)
Location: CALLAWAY
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CUSTER, NEBRASKA
From 23-MAY-20 22:50:00 to 23-MAY-20 22:50:00 (CST-6)
Location: MERNA
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Report from social media.

Hail in CUSTER, NEBRASKA
From 23-MAY-20 23:05:00 to 23-MAY-20 23:05:00 (CST-6)
Location: (BBW)BROKEN BOW ARPT
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter to half dollar sized hail reported at this location. Time estimated by radar.

Hail in CUSTER, NEBRASKA
From 24-MAY-20 00:05:00 to 24-MAY-20 00:05:00 (CST-6)
Location: COMSTOCK
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Heavy rain along with ping pong ball sized hail reported at this location.

Thunderstorm Wind in MCPHERSON, NEBRASKA
From 23-MAY-20 21:45:00 to 23-MAY-20 21:45:00 (CST-6)
Location: TRYON
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Two large trees blown over at this location by thunderstorm winds.

Thunderstorm Wind in HOLT, NEBRASKA
From 24-MAY-20 01:00:00 to 24-MAY-20 01:00:00 (CST-6)
Location: EWING
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Multiple trees reported downed south of Ewing. Some trees were uprooted and snapped off. Reported from social media. Time estimated from radar.

Thunderstorm Wind in CUSTER, NEBRASKA
From 23-MAY-20 22:17:00 to 23-MAY-20 22:17:00 (CST-6)
Location: (BBW)BROKEN BOW ARPT
Magnitude: 63.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm wind gust measured at 72 MPH reported at the Broken Bow Airport.

Thunderstorm Wind in CUSTER, NEBRASKA
From 23-MAY-20 22:30:00 to 23-MAY-20 22:30:00 (CST-6)
Location: (BBW)BROKEN BOW ARPT
Magnitude: 75.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm wind gust of 86 MPH reported at the Broken Bow Airport.

Thunderstorm Wind in CUSTER, NEBRASKA
From 23-MAY-20 22:53:00 to 23-MAY-20 22:53:00 (CST-6)
Location: MERNA
Magnitude: 55.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

A storm chaser measured a 63 MPH wind gust.

Thunderstorm Wind in CUSTER, NEBRASKA
From 24-MAY-20 00:00:00 to 24-MAY-20 00:00:00 (CST-6)
Location: (BBW)BROKEN BOW ARPT
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm outflow winds of 58 MPH measured at the Broken Bow Airport.

Thunderstorm Wind in WHEELER, NEBRASKA
From 24-MAY-20 00:15:00 to 24-MAY-20 00:15:00 (CST-6)
Location: BARTLETT
Magnitude: 70.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm wind gusts estimated at 80 MPH, snapped several large trees at this location.