Alert archive / Nebraska / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 21, NWS North Platte, NE

May 17, 2026Brown County, Keya Paha County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at May 17, 2026, 12:46 PM CDT for Brown County, Keya Paha County, Nebraska. It was in force for 29 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: May 17, 2026, 12:46 PM CDT (17:46 UTC)
Expired: May 17, 2026, 1:15 PM CDT
In force: 29 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Brown County, NE, Keya Paha County, NE

The radar

The North Platte radar (KLNX), 110 km from the middle of the area, began a volume at 17:48 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
May 17, 1:00 PM CDT	TSTM WND GST 60	11 Ese Sparks, NE
May 17, 1:19 PM CDT	TSTM WND GST 60	2 N Burton, NE	Lots of hail up to nickel size. Damaging to the house siding and shredded tree leaves.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 5.8 hours before the alert went out and 261 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2103 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 372 m²/s²
0-3 km storm-relative helicity: 379 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

739 
WUUS53 KLBF 171746
SVRLBF
NEC017-103-171815-
/O.NEW.KLBF.SV.W.0021.260517T1746Z-260517T1815Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service North Platte NE
1246 PM CDT Sun May 17 2026

The National Weather Service in North Platte has issued a

* Severe Thunderstorm Warning for...
  Northwestern Brown County in north central Nebraska...
  Western Keya Paha County in north central Nebraska...

* Until 115 PM CDT.

* At 1245 PM CDT, a severe thunderstorm was located over Norden, or
  14 miles west of Springview, moving northeast at 55 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Norden and North River Trail.

This includes the following highways...
 Highway 183 between mile markers 126 and 225.
 Highway 12 between mile markers 23 and 48, and between mile markers
57 and 60, and near mile marker 62.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4270 10001 4284 10020 4294 10020 4300 10018
      4299 9950
TIME...MOT...LOC 1745Z 219DEG 49KT 4286 10003 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Taylor

1 follow-up statement

720 
WWUS53 KLBF 171800
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
100 PM CDT Sun May 17 2026

NEC017-171809-
/O.CAN.KLBF.SV.W.0021.000000T0000Z-260517T1815Z/
Brown NE-
100 PM CDT Sun May 17 2026

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN BROWN COUNTY IS
CANCELLED...

The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 4280 9983 4289 10020 4294 10020 4300 10018
      4299 9950
TIME...MOT...LOC 1759Z 223DEG 45KT 4295 9986 

$$

NEC103-171815-
/O.CON.KLBF.SV.W.0021.000000T0000Z-260517T1815Z/
Keya Paha NE-
100 PM CDT Sun May 17 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 PM CDT
FOR NORTHWESTERN KEYA PAHA COUNTY...

At 1259 PM CDT, a severe thunderstorm was located near Wewela, or 10
miles northwest of Springview, moving northeast at 50 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Norden.

This includes the following highways...
 Highway 183 between mile markers 126 and 225.
 Highway 12 between mile markers 23 and 49, and between mile markers
57 and 60, and near mile marker 62.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4280 9983 4289 10020 4294 10020 4300 10018
      4299 9950
TIME...MOT...LOC 1759Z 223DEG 45KT 4295 9986 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Taylor

The office that day

Everything else NWS North Platte, NE issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 16, 7:35 PM CDT	Special Weather Statement	LBF	Hayes	40 min
May 16, 7:37 PM CDT	Special Weather Statement	LBF	Chase	23 min
May 16, 8:01 PM CDT	Special Weather Statement	LBF	Frontier	29 min
May 16, 8:20 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln	40 min
May 16, 8:35 PM CDT	Special Weather Statement	LBF	Gosper	25 min
May 17, 1:58 AM CDT	Special Weather Statement	LBF	Lincoln	47 min
May 17, 2:16 AM CDT	Severe Thunderstorm Warning	LBF	Lincoln	44 min
May 17, 2:52 AM CDT	Special Weather Statement	LBF	Logan	38 min
May 17, 3:18 AM CDT	Special Weather Statement	LBF	Logan	42 min
May 17, 3:29 AM CDT	Special Weather Statement	LBF	Lincoln	46 min
May 17, 3:37 AM CDT	Severe Thunderstorm Warning	LBF	Keith, Lincoln	23 min
May 17, 11:37 AM CDT	Special Weather Statement	LBF	Cherry	23 min
May 17, 12:30 PM CDT	Special Weather Statement	LBF	Keya Paha	45 min
May 17, 1:14 PM CDT	Severe Thunderstorm Warning	LBF	Boyd, Keya Paha	46 min
May 17, 1:20 PM CDT	Severe Thunderstorm Warning	LBF	Boyd, Brown, Holt, Keya Paha, Rock	40 min
May 17, 1:50 PM CDT	Severe Thunderstorm Warning	LBF	Boyd, Holt	40 min
May 17, 2:25 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LBF	Boyd, Holt	37 min
May 17, 6:10 PM CDT	Special Weather Statement	LBF	Hooker	50 min
May 17, 6:12 PM CDT	Special Weather Statement	LBF	McPherson	48 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2026 Every severe thunderstorm warning in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.