Alert archive / Nebraska / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 356, NWS North Platte, NE

September 14, 2025Brown County, Keya Paha County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Sep 14, 2025, 6:23 PM CDT for Brown County, Keya Paha County, Nebraska. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Sep 14, 2025, 6:23 PM CDT (23:23 UTC)
Expired: Sep 14, 2025, 6:57 PM CDT
In force: 34 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), 99 km from the middle of the area, began a volume at 23:24 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 nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 11.4 hours before the alert went out and 274 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: 792 J/kg
Mixed-layer CIN: -167 J/kg
Mixed-layer LCL: 851 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 9 m²/s²
0-3 km storm-relative helicity: 86 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS North Platte, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 14, 6:20 PM CDT, 3 minutes earlier.

Area forecast discussion, Sep 14, 6:20 PM CDT, 3 minutes before

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Hazardous weather outlook, Sep 14, 10:12 AM CDT, 8 hours 11 minutes before

Hazardous Weather Outlook...UPDATED
National Weather Service North Platte NE
1012 AM CDT Sun Sep 14 2025

NEZ004>010-022>029-035>038-056>059-069>071-094-151515-
Sheridan-Eastern Cherry-Keya Paha-Boyd-Brown-Rock-Holt-Garden-Grant-
Hooker-Thomas-Blaine-Loup-Garfield-Wheeler-Arthur-McPherson-Logan-
Custer-Deuel-Keith-Perkins-Lincoln-Chase-Hayes-Frontier-
Western Cherry-
1012 AM CDT Sun Sep 14 2025 /912 AM MDT Sun Sep 14 2025/

This Hazardous Weather Outlook is for portions of western and north
central Nebraska.

.DAY ONE...This afternoon and tonight.

Scattered thunderstorms are expected this afternoon into early
evening mainly near and east of Highway 83. A few strong to severe
storms will be possible, with large hail, strong wind gusts, and
locally heavy rainfall as the primary hazards.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Strong to severe thunderstorms are possible Tuesday afternoon and
evening ahead of an approaching cold front. Damaging wind gusts,
hail, and locally heavy rainfall are the primary threats.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Local storm report, Sep 14, 3:04 PM CDT, 3 hours 19 minutes before

Preliminary Local Storm Report
National Weather Service North Platte NE
304 PM CDT Sun Sep 14 2025

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0253 PM     Hail             1 N Moorefield          40.70N 100.40W
09/14/2025  M0.88 Inch       Frontier           NE   Trained Spotter

&&

Kurimski

Special weather statement, Sep 14, 3:20 PM CDT, 3 hours 3 minutes before

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Special weather statement, Sep 14, 3:36 PM CDT, 2 hours 47 minutes before

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Special weather statement, Sep 14, 4:45 PM CDT, 1 hour 38 minutes before

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Special weather statement, Sep 14, 5:41 PM CDT, 42 minutes before

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Special weather statement, Sep 14, 5:59 PM CDT, 24 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 14, 2:59 PM CDT	Areal Flood Advisory	LBF	Custer	3 hr
Sep 14, 3:01 PM CDT	Special Weather Statement	LBF	Frontier	59 min
Sep 14, 3:13 PM CDT	Severe Thunderstorm Warning	LBF	Chase, Hayes	33 min
Sep 14, 3:20 PM CDT	Special Weather Statement	LBF	Custer	40 min
Sep 14, 3:36 PM CDT	Special Weather Statement	LBF	Hayes	39 min
Sep 14, 4:45 PM CDT	Special Weather Statement	LBF	Custer	45 min
Sep 14, 5:41 PM CDT	Special Weather Statement	LBF	Garfield	49 min
Sep 14, 5:59 PM CDT	Special Weather Statement	LBF	Brown	46 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2025 Every severe thunderstorm warning in 2025

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.