Alert archive / Nebraska / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 310, NWS North Platte, NE

August 12, 20264 counties in Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Aug 12, 2026, 7:56 PM MDT for 4 counties in Nebraska. It was in force for 49 min. 1 report 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
Aug 12, 2026, 7:56 PM MDT (01:56 UTC)
Expired
Aug 12, 2026, 8:45 PM MDT
In force
49 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Damage threat
Considerable
Hail
1.0 in
Wind
70.0 mph

Counties Cherry County, NE, Garden County, NE, Grant County, NE, Sheridan County, NE

The radar

The North Platte radar (KLNX), 135 km from the middle of the area, began a volume at 01:56 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

TimeReportWhereRemark
Aug 12, 7:59 PM MDTTSTM WND GST 583 Ne Lakeside, NE

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 12, 2:32 PM MDTSevere Thunderstorm WatchSPC6 hr
Aug 12, 6:33 PM MDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.9 hours before the alert went out and 171 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-pSkew-T log-p diagram, N. Platte/Lee Bi, NE at 00:00Z on 2026-08-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2200 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 00:00Z on 2026-08-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
2200 J/kg
Mixed-layer CIN
-113 J/kg
Mixed-layer LCL
1734 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
102 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.5

Open this sounding in Storm Lab

The text

As transmitted.

578 
WUUS53 KLBF 130156
SVRLBF
NEC031-069-075-161-130245-
/O.NEW.KLBF.SV.W.0310.260813T0156Z-260813T0245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service North Platte NE
756 PM MDT Wed Aug 12 2026

The National Weather Service in North Platte has issued a

* Severe Thunderstorm Warning for...
  Southwestern Cherry County in north central Nebraska...
  Northwestern Grant County in west central Nebraska...
  Northern Garden County in the Panhandle of Nebraska...
  Southeastern Sheridan County in the Panhandle of Nebraska...

* Until 845 PM MDT.

* At 755 PM MDT, a severe thunderstorm was located near Ellsworth, or
  28 miles east of Alliance, moving east at 30 mph.

  HAZARD...70 mph wind gusts and quarter size hail.

  SOURCE...Mesonet observed gusts of 67 mph.

  IMPACT...Hail damage to vehicles is expected. Expect considerable 
           tree damage. Wind damage is also likely to mobile homes, 
           roofs, and outbuildings.

* Locations impacted include...
  Ellsworth, Ashby, Watson Lake, Bingham, Dipping Vat Meadow,
  Dominick Lake, Finnegan Lake, and Kennedy Lake.

This includes the following highways...
 Highway 250 between mile markers 1 and 4.
 Highway 2 between mile markers 111 and 139.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4204 10243 4224 10240 4227 10181 4190 10192
TIME...MOT...LOC 0155Z 274DEG 27KT 4212 10231 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH

$$

Richie
2 follow-up statements
496 
WWUS53 KLBF 130209
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
809 PM MDT Wed Aug 12 2026

NEC031-069-075-161-130245-
/O.CON.KLBF.SV.W.0310.000000T0000Z-260813T0245Z/
Cherry NE-Grant NE-Garden NE-Sheridan NE-
809 PM MDT Wed Aug 12 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM MDT
FOR SOUTHWESTERN CHERRY...NORTHWESTERN GRANT...NORTHERN GARDEN AND
SOUTHEASTERN SHERIDAN COUNTIES...

At 809 PM MDT, a severe thunderstorm was located 7 miles northeast of
Ellsworth, or 36 miles east of Alliance, moving east at 30 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Ellsworth, Ashby, Watson Lake, Bingham, Dipping Vat Meadow, Dominick
Lake, Finnegan Lake, and Kennedy Lake.

This includes Highway 2 between mile markers 115 and 139.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4202 10236 4224 10234 4227 10181 4190 10192
TIME...MOT...LOC 0209Z 274DEG 27KT 4211 10217 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Richie
295 
WWUS53 KLBF 130232
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
832 PM MDT Wed Aug 12 2026

NEC031-069-075-161-130245-
/O.CON.KLBF.SV.W.0310.000000T0000Z-260813T0245Z/
Cherry NE-Grant NE-Garden NE-Sheridan NE-
832 PM MDT Wed Aug 12 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM MDT
FOR SOUTHWESTERN CHERRY...NORTHWESTERN GRANT...NORTHERN GARDEN AND
SOUTHEASTERN SHERIDAN COUNTIES...

At 832 PM MDT, a severe thunderstorm was located near Ashby, or 39
miles northwest of Arthur, moving east at 35 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...
Ashby, Dominick Lake, Finnegan Lake, Watson Lake, and Bingham.

This includes Highway 2 between mile markers 121 and 139.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4199 10225 4225 10215 4218 10184 4190 10192
TIME...MOT...LOC 0232Z 286DEG 29KT 4209 10204 

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

$$

Richie

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 12, 6:21 PM MDTSevere Thunderstorm Warning Destructive damage threatLBFCherry, Sheridan39 min
Aug 12, 6:55 PM MDTSevere Thunderstorm Warning Considerable damage threatLBFCherry, Sheridan65 min
Aug 12, 6:58 PM MDTSpecial Weather StatementLBFDeuel47 min
Aug 12, 6:58 PM MDTSevere Thunderstorm WarningLBFCherry, Garden, Sheridan62 min
Aug 12, 7:31 PM MDTSpecial Weather StatementLBFChase, Deuel, Perkins44 min
Aug 12, 7:42 PM MDTSevere Thunderstorm WarningLBFCherry48 min
Aug 12, 7:50 PM MDTSpecial Weather StatementLBFGarden40 min
Aug 12, 8:27 PM MDTSevere Thunderstorm WarningLBFArthur, Cherry, Garden, Grant, Hooker63 min
Aug 12, 8:41 PM MDTSpecial Weather StatementLBFSheridan49 min
Aug 12, 8:52 PM MDTTornado WarningLBFGrant23 min
Aug 12, 9:20 PM MDTTornado WarningLBFCherry14 min
Aug 12, 9:27 PM MDTSevere Thunderstorm WarningLBFCherry, Grant, Hooker63 min
Aug 12, 10:21 PM MDTSpecial Weather StatementLBFThomas39 min
Aug 12, 10:32 PM MDTAreal Flood AdvisoryLBFLincoln3 hr
Aug 12, 10:38 PM MDTSevere Thunderstorm WarningLBFCherry52 min
Aug 12, 11:15 PM MDTSpecial Weather StatementLBFCuster45 min
Aug 12, 11:21 PM MDTSpecial Weather StatementLBFThomas39 min
Aug 12, 11:40 PM MDTSevere Thunderstorm WarningLBFCuster50 min
Aug 12, 11:44 PM MDTSevere Thunderstorm Warning Destructive damage threatLBFCuster46 min
Aug 12, 11:59 PM MDTSevere Thunderstorm Warning Considerable damage threatLBFCuster19 min
Aug 13, 12:13 AM MDTSpecial Weather StatementLBFBrown, Garfield, Rock47 min
Aug 13, 12:53 AM MDTAreal Flood AdvisoryLBFCuster4 hr
Aug 13, 12:58 AM MDTSevere Thunderstorm WarningLBFGarfield, Holt, Wheeler35 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2026Every 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.