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Severe Thunderstorm Warning 0449
Issued by the Norman Forecast Office

Action Issued Starts Expiration
New 2026-05-18 16:41:41 2026-05-18 16:41:00 2026-05-18 17:30:00
Continued 2026-05-18 17:01:27 2026-05-18 17:30:00
Cancelled 2026-05-18 17:06:27 2026-05-18 17:30:00


Action: New
Issued At: 2026-05-18 16:41:41

942 
WUUS54 KOUN 182141
SVROUN
OKC039-149-182230-
/O.NEW.KOUN.SV.W.0449.260518T2141Z-260518T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Norman OK
441 PM CDT Mon May 18 2026

The National Weather Service in Norman has issued a

* Severe Thunderstorm Warning for...
  Northwestern Washita County in western Oklahoma...
  Southern Custer County in western Oklahoma...

* Until 530 PM CDT.

* At 440 PM CDT, a severe thunderstorm was located 4 miles southwest
  of Burns Flat, moving northeast at 40 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Clinton, Burns Flat, Arapaho, Dill City, Canute, Custer City,
  Butler, Foss, Foss Reservoir, and Stafford.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A Tornado Watch remains in effect for the warned area.

&&

LAT...LON 3534 9936 3566 9925 3566 9877 3519 9919
      3526 9937
TIME...MOT...LOC 2140Z 213DEG 34KT 3532 9924 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

MDU


Action: Continued
Issued At: 2026-05-18 17:01:27

669 
WWUS54 KOUN 182200
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
500 PM CDT Mon May 18 2026

OKC039-149-182230-
/O.CON.KOUN.SV.W.0449.000000T0000Z-260518T2230Z/
Washita OK-Custer OK-
500 PM CDT Mon May 18 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR NORTHWESTERN WASHITA AND SOUTHERN CUSTER COUNTIES...

At 500 PM CDT, a severe thunderstorm was located near Foss, moving
northeast at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Clinton, Burns Flat, Arapaho, Dill City, Canute, Custer City, Butler,
Foss, Foss Reservoir, and Stafford.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms.

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

&&

LAT...LON 3566 9925 3566 9877 3527 9912 3538 9935
TIME...MOT...LOC 2200Z 212DEG 34KT 3546 9912 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

MDU


Action: Cancelled
Issued At: 2026-05-18 17:06:27

810 
WWUS54 KOUN 182206
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
506 PM CDT Mon May 18 2026

OKC039-149-182215-
/O.CAN.KOUN.SV.W.0449.000000T0000Z-260518T2230Z/
Washita OK-Custer OK-
506 PM CDT Mon May 18 2026

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN WASHITA AND
SOUTHERN CUSTER COUNTIES IS CANCELLED...
 
The storm which prompted the warning has weakened below severe
limits, therefore the warning has been cancelled.  However, gusty
winds are still possible with this thunderstorm.

LAT...LON 3566 9925 3566 9877 3527 9912 3538 9935
TIME...MOT...LOC 2201Z 213DEG 34KT 3551 9908 

$$

MDU



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