Alert archive / Texas / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 365, NWS Amarillo, TX

August 29, 2025Dallam County, Texas; Cimarron County, Oklahoma

NWS Amarillo, TX issued this severe thunderstorm warning at Aug 29, 2025, 6:08 PM CDT for Dallam County, Texas; Cimarron County, Oklahoma. It was in force for 67 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
Aug 29, 2025, 6:08 PM CDT (23:08 UTC)
Expired
Aug 29, 2025, 7:15 PM CDT
In force
67 min
Issued by
NWS Amarillo, TX
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Cimarron County, OK, Dallam County, TX

The radar

The Amarillo radar (KAMA), 162 km from the middle of the area, began a volume at 23:10 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 29, 4:01 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 11.1 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-pSkew-T log-p diagram, Dodge City, at 12:00Z on 2025-08-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 12 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dodge City, at 12:00Z on 2025-08-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 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
12 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
500 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
73 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Amarillo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 29, 12:24 PM CDT, 5 hours 44 minutes earlier.

Area forecast discussion, Aug 29, 12:24 PM CDT, 5 hours 44 minutes before
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Hazardous weather outlook, Aug 29, 12:33 PM CDT, 5 hours 35 minutes before
Hazardous Weather Outlook
National Weather Service Amarillo TX
1233 PM CDT Fri Aug 29 2025

OKZ001>003-TXZ001>020-317-300545-
Cimarron-Texas-Beaver-Dallam-Sherman-Hansford-Ochiltree-Lipscomb-
Hartley-Moore-Hutchinson-Roberts-Hemphill-Oldham-Potter-Carson-
Gray-Wheeler-Deaf Smith-Randall-Armstrong-Donley-Collingsworth-
Palo Duro Canyon-
1233 PM CDT Fri Aug 29 2025

This Hazardous Weather Outlook is for the Texas and Oklahoma
Panhandles.

.DAY ONE...This Afternoon and Tonight.

Rain showers and thunderstorms are expected this evening into the
overnight hours in the panhandles. There is a low chance for
severe thunderstorms in the western panhandles with large hail and
damaging winds being primary threats. All rain showers and
thunderstorms will be capable of producing heavy rainfall that can
lead to localized flash flooding.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

There is a high chance for another round of rain showers and
thunderstorms for Saturday evening into the overnight hours. All
rain showers and thunderstorms will be capable of producing heavy
rainfall that can lead to localized flash flooding.

There is a an uncertain conditional threat for some of the storms
on Saturday to become strong to severe with large hail and
damaging winds being the main threat.

There is a very low to low chance for further rain showers and
thunderstorms Sunday through Wednesday with increasing chances on
Thursday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is may be needed this evening due to the threat
of severe thunderstorms.

In the hours before

Special weather statement, Aug 29, 5:44 PM CDT, 24 minutes before
Special Weather Statement
National Weather Service Amarillo TX
544 PM CDT Fri Aug 29 2025

OKZ001-TXZ001-292315-
Cimarron OK-Dallam TX-
544 PM CDT Fri Aug 29 2025

...A STRONG THUNDERSTORM WILL IMPACT SOUTHWESTERN CIMARRON AND
NORTHWESTERN DALLAM COUNTIES THROUGH 615 PM CDT...

At 543 PM CDT, Doppler radar was tracking a strong thunderstorm 7
miles north of Texline, or 8 miles east of Clayton, moving southeast
at 25 mph.

HAZARD...Wind gusts up to 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to vegetation is
         possible.

Locations impacted include...
Texline.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3650 10300 3659 10300 3641 10262 3620 10282
      3637 10304 3650 10304
TIME...MOT...LOC 2243Z 306DEG 24KT 3649 10302

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

DGW

The office that day

Everything else NWS Amarillo, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 29, 11:47 AM CDTFlood WatchAMAArmstrong, Carson, Dallam, Deaf Smith, Hansford, Hartley and 6 more14 hr
Aug 29, 5:44 PM CDTSpecial Weather StatementAMADallam31 min
Aug 29, 6:05 PM CDTSevere Thunderstorm Warning Considerable damage threatAMACimarron, Texas70 min

Nearby

Severe Thunderstorm Warnings in Texas, 2025Severe Thunderstorm Warnings in Oklahoma, 2025Every 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.