Alert archive / Nebraska / Tornado Warnings in 2026

Tornado Warning 8, NWS North Platte, NE

August 12, 2026Grant County, Nebraska

NWS North Platte, NE issued this tornado warning at Aug 12, 2026, 8:52 PM MDT for Grant County, Nebraska. It was in force for 23 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 12, 2026, 8:52 PM MDT (02:52 UTC)
Expired
Aug 12, 2026, 9:15 PM MDT
In force
23 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

County Grant County, NE

The radar

The North Platte radar (KLNX), 103 km from the middle of the area, began a volume at 02:50 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.

The watch it was issued in

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

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

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 2.9 hours before the alert went out and 130 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.

664 
WFUS53 KLBF 130252
TORLBF
NEC075-130330-
/O.NEW.KLBF.TO.W.0008.260813T0252Z-260813T0330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service North Platte NE
852 PM MDT Wed Aug 12 2026

The National Weather Service in North Platte has issued a

* Tornado Warning for...
  Central Grant County in west central Nebraska...

* Until 930 PM MDT.

* At 852 PM MDT, a severe thunderstorm capable of producing a tornado
  was located 12 miles southwest of Hyannis, or 21 miles northwest of
  Arthur, moving northeast at 25 mph.

  HAZARD...Tornado and quarter size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Hyannis around 920 PM MDT.

Other locations impacted by this tornadic thunderstorm include Pratt
Lake.

This includes the following highways...
 Highway 2 between mile markers 141 and 147.
 Highway 61 between mile markers 144 and 160.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4178 10186 4184 10197 4206 10182 4188 10156
TIME...MOT...LOC 0252Z 230DEG 20KT 4185 10189 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Richie
2 follow-up statements
125 
WWUS53 KLBF 130307
SVSLBF

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

NEC075-130330-
/O.CON.KLBF.TO.W.0008.000000T0000Z-260813T0330Z/
Grant NE-
907 PM MDT Wed Aug 12 2026

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM MDT FOR CENTRAL
GRANT COUNTY...

At 907 PM MDT, a severe thunderstorm capable of producing a tornado
was located near Hyannis, or 23 miles north of Arthur, moving
northeast at 30 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This tornadic thunderstorm will remain over mainly rural areas of
central Grant County, including the following locations... Pratt
Lake.

This includes the following highways...
 Highway 2 between mile markers 146 and 147.
 Highway 61 between mile markers 146 and 160.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4182 10173 4189 10187 4202 10176 4188 10156
TIME...MOT...LOC 0307Z 242DEG 28KT 4191 10173 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Richie
085 
WWUS53 KLBF 130315
SVSLBF

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

NEC075-130325-
/O.CAN.KLBF.TO.W.0008.000000T0000Z-260813T0330Z/
Grant NE-
915 PM MDT Wed Aug 12 2026

...THE TORNADO WARNING FOR CENTRAL GRANT COUNTY IS CANCELLED...

The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.

A Severe Thunderstorm Watch remains in effect until 200 AM MDT for
west central Nebraska.

Remember, a Severe Thunderstorm Warning still remains in effect for
central Grant County!

LAT...LON 4182 10173 4189 10187 4202 10176 4188 10156
TIME...MOT...LOC 0313Z 230DEG 20KT 4194 10168 

$$

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, 7:56 PM MDTSevere Thunderstorm Warning Considerable damage threatLBFCherry, Garden, Grant, Sheridan49 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, 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

Tornado Warnings in Nebraska, 2026Every tornado warning in 2026Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.