Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 259, NWS Amarillo, TX

August 6, 2026Cimarron County, Oklahoma

NWS Amarillo, TX issued this severe thunderstorm warning at Aug 6, 2026, 11:36 PM CDT for Cimarron County, Oklahoma. It was in force for 54 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 6, 2026, 11:36 PM CDT (04:36 UTC)
Expired: Aug 7, 2026, 12:30 AM CDT
In force: 54 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

County Cimarron County, OK

The radar

The Amarillo radar (KAMA), 183 km from the middle of the area, began a volume at 04:38 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.

Issued	Product	Office	Lasted
Aug 6, 9:06 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 4.6 hours before the alert went out and 184 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: 1105 J/kg
Mixed-layer CIN: -74 J/kg
Mixed-layer LCL: 2713 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: -2 m²/s²
0-3 km storm-relative helicity: 90 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

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 6, 9:15 PM CDT, 2 hours 21 minutes earlier.

Area forecast discussion, Aug 6, 9:15 PM CDT, 2 hours 21 minutes before

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Hazardous weather outlook, Aug 6, 1:54 PM CDT, 9 hours 42 minutes before

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In the hours before

Special weather statement, Aug 6, 8:18 PM CDT, 3 hours 18 minutes before

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Special weather statement, Aug 6, 9:23 PM CDT, 2 hours 13 minutes before

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Special weather statement, Aug 6, 10:45 PM CDT, 51 minutes before

Special Weather Statement
National Weather Service Amarillo TX
1045 PM CDT Thu Aug 6 2026

OKZ001-002-TXZ002-070430-
Cimarron OK-Texas OK-Sherman TX-
1045 PM CDT Thu Aug 6 2026

...STRONG THUNDERSTORMS WILL IMPACT CENTRAL TEXAS...SOUTHEASTERN
CIMARRON AND NORTHEASTERN SHERMAN COUNTIES THROUGH 1130 PM CDT...

At 1044 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 5 miles north of Optima to near Guymon to 4
miles west of Texhoma. Movement was east at 25 mph.

HAZARD...Wind gusts of 50 to 55 mph and penny 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...
Guymon, Hooker, Goodwell, Optima, Hough, Baker, Adams, and Texhoma.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
the Panhandle of Oklahoma...and the Panhandle of Texas.

&&

LAT...LON 3693 10094 3663 10117 3650 10153 3650 10162
      3646 10162 3644 10169 3656 10216 3671 10165
      3697 10160
TIME...MOT...LOC 0344Z 281DEG 21KT 3684 10136 3666 10151 3653 10187

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...55 MPH

DGW

Special weather statement, Aug 6, 11:07 PM CDT, 29 minutes before

Special Weather Statement
National Weather Service Amarillo TX
1107 PM CDT Thu Aug 6 2026

OKZ001-002-TXZ001-002-070430-
Cimarron OK-Texas OK-Sherman TX-Dallam TX-
1107 PM CDT Thu Aug 6 2026

...A STRONG THUNDERSTORM WILL IMPACT SOUTHWESTERN TEXAS...
SOUTHEASTERN CIMARRON...NORTHWESTERN SHERMAN AND NORTHEASTERN DALLAM
COUNTIES THROUGH 1130 PM CDT...

At 1105 PM CDT, Doppler radar was tracking a strong thunderstorm over
Griggs, or 18 miles north of Stratford, moving south at 30 mph.

HAZARD...Wind gusts of 50 to 55 mph and penny 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...
Griggs.

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.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
the Panhandle of Oklahoma...and the Panhandle of Texas.

&&

LAT...LON 3668 10232 3672 10207 3651 10197 3644 10170
      3627 10235
TIME...MOT...LOC 0405Z 345DEG 25KT 3659 10215

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...55 MPH

DGW

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 6, 10:17 PM CDT	Heat Advisory	AMA	Randall	23 hr
Aug 6, 11:07 PM CDT	Special Weather Statement	AMA	Sherman	23 min
Aug 6, 11:20 PM CDT	Severe Thunderstorm Warning Considerable damage threat	AMA	Dallam, Hansford, Ochiltree, Sherman	55 min
Aug 7, 12:13 AM CDT	Special Weather Statement	AMA	Hansford, Ochiltree, Sherman	47 min
Aug 7, 12:32 AM CDT	Severe Thunderstorm Warning Considerable damage threat	AMA	Hansford, Ochiltree	58 min
Aug 7, 12:58 AM CDT	Special Weather Statement	AMA	Sherman	47 min
Aug 7, 1:01 AM CDT	Special Weather Statement	AMA	Hansford	44 min
Aug 7, 1:05 AM CDT	Severe Thunderstorm Warning	AMA	Dallam, Hartley	68 min
Aug 7, 1:45 AM CDT	Special Weather Statement	AMA	Hansford, Hutchinson, Moore, Sherman	45 min
Aug 7, 2:13 AM CDT	Special Weather Statement	AMA	Hutchinson, Moore, Potter	47 min
Aug 7, 2:40 AM CDT	Severe Thunderstorm Warning	AMA	Oldham, Potter, Randall	50 min
Aug 7, 2:58 AM CDT	Special Weather Statement	AMA	Carson, Hutchinson, Moore, Potter	47 min
Aug 7, 4:40 AM CDT	Areal Flood Advisory	AMA	Potter, Randall	44 min
Aug 7, 5:11 AM CDT	Special Weather Statement	AMA	Randall	34 min
Aug 7, 11:49 AM CDT	Heat Advisory	AMA	Collingsworth, Gray, Hansford, Hemphill, Hutchinson, Lipscomb and 4 more	33 hr
Aug 7, 5:58 PM CDT	Special Weather Statement	AMA	Oldham	32 min
Aug 7, 6:56 PM CDT	Special Weather Statement	AMA	Oldham	34 min
Aug 6, 8:18 PM CDT	Special Weather Statement	AMA	Harper	27 min
Aug 6, 9:23 PM CDT	Special Weather Statement	AMA	Cimarron	37 min
Aug 6, 9:53 PM CDT	Severe Thunderstorm Warning	AMA	Cimarron, Texas	67 min
Aug 6, 10:42 PM CDT	Severe Thunderstorm Warning Considerable damage threat	AMA	Cimarron	63 min
Aug 6, 10:45 PM CDT	Special Weather Statement	AMA	Texas	45 min
Aug 6, 11:49 PM CDT	Severe Thunderstorm Warning Considerable damage threat	AMA	Beaver	56 min
Aug 7, 12:26 AM CDT	Special Weather Statement	AMA	Cimarron	49 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.