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Severe Thunderstorm Warning 0635
Issued by the Norman Forecast Office

Action Issued Starts Expiration
New 2026-06-23 09:39:17 2026-06-23 09:38:00 2026-06-23 10:30:00
Continued 2026-06-23 09:47:48 2026-06-23 10:30:00
Continued 2026-06-23 10:01:18 2026-06-23 10:30:00
Continued 2026-06-23 10:21:19 2026-06-23 10:30:00


Action: New
Issued At: 2026-06-23 09:39:17

426 
WUUS54 KOUN 231438
SVROUN
OKC039-043-045-129-231530-
/O.NEW.KOUN.SV.W.0635.260623T1438Z-260623T1530Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Norman OK
938 AM CDT Tue Jun 23 2026

The National Weather Service in Norman has issued a

* Severe Thunderstorm Warning for...
  Southern Ellis County in northwestern Oklahoma...
  Roger Mills County in western Oklahoma...
  Northwestern Custer County in western Oklahoma...
  Southwestern Dewey County in northwestern Oklahoma...

* Until 1030 AM CDT.

* At 938 AM CDT, severe thunderstorms were located along a line
  extending from 6 miles southwest of Harmon to near Crawford to 8
  miles east of Lora, moving southeast at 30 mph.

  HAZARD...70 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect considerable 
           tree damage. Wind damage is also likely to mobile homes, 
           roofs, and outbuildings.

* Locations impacted include...
  Cheyenne, Arnett, Hammon, Leedey, Reydon, Strong City, Moorewood,
  Crawford, Harmon, Roll, Durham, and Angora.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3599 10000 3617 9976 3616 9938 3580 9925
      3560 9941 3550 10000
TIME...MOT...LOC 1438Z 311DEG 25KT 3608 9963 3585 9984 3573 10041 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

MDU


Action: Continued
Issued At: 2026-06-23 09:47:48

732 
WWUS54 KOUN 231447
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
947 AM CDT Tue Jun 23 2026

OKC039-043-045-129-231530-
/O.CON.KOUN.SV.W.0635.000000T0000Z-260623T1530Z/
Ellis OK-Roger Mills OK-Custer OK-Dewey OK-
947 AM CDT Tue Jun 23 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 AM CDT
FOR SOUTHERN ELLIS...ROGER MILLS...NORTHWESTERN CUSTER AND
SOUTHWESTERN DEWEY COUNTIES...

At 946 AM CDT, severe thunderstorms were located along a line
extending from 6 miles south of Harmon to near Crawford to 9 miles
northwest of Briscoe, moving southeast at 30 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Mesonet. At 935 AM CDT, the Arnett Mesonet recorded a 58 
         mph wind gust. 

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
Cheyenne, Arnett, Hammon, Leedey, Reydon, Strong City, Moorewood,
Crawford, Harmon, Roll, Durham, and Angora.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms.

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

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3596 10000 3617 9972 3616 9938 3580 9925
      3560 9941 3550 10000
TIME...MOT...LOC 1446Z 311DEG 25KT 3606 9960 3583 9981 3571 10038 

TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH

$$

MDU


Action: Continued
Issued At: 2026-06-23 10:01:18

058 
WWUS54 KOUN 231501
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
1001 AM CDT Tue Jun 23 2026

OKC039-043-045-129-231530-
/O.CON.KOUN.SV.W.0635.000000T0000Z-260623T1530Z/
Ellis OK-Roger Mills OK-Custer OK-Dewey OK-
1001 AM CDT Tue Jun 23 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 AM CDT
FOR SOUTHERN ELLIS...ROGER MILLS...NORTHWESTERN CUSTER AND
SOUTHWESTERN DEWEY COUNTIES...

At 1000 AM CDT, severe thunderstorms were located along a line
extending from 10 miles south of Harmon to 5 miles north of Strong
City to near Briscoe, moving southeast at 30 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
Cheyenne, Hammon, Leedey, Reydon, Strong City, Moorewood, Crawford,
Roll, Durham, and Angora.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms.

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

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3591 10000 3613 9967 3613 9937 3580 9925
      3560 9941 3550 10000
TIME...MOT...LOC 1500Z 308DEG 27KT 3600 9960 3575 9962 3557 10027 

TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

MDU


Action: Continued
Issued At: 2026-06-23 10:21:19

564 
WWUS54 KOUN 231520
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
1020 AM CDT Tue Jun 23 2026

OKC039-043-045-129-231530-
/O.CON.KOUN.SV.W.0635.000000T0000Z-260623T1530Z/
Ellis OK-Roger Mills OK-Custer OK-Dewey OK-
1020 AM CDT Tue Jun 23 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 AM CDT
FOR SOUTHEASTERN ELLIS...ROGER MILLS...NORTHWESTERN CUSTER AND
SOUTHWESTERN DEWEY COUNTIES...

At 1020 AM CDT, severe thunderstorms were located along a line
extending from 5 miles north of Angora to 5 miles east of Strong City
to 7 miles northeast of Wheeler, moving southeast at 30 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
Cheyenne, Hammon, Leedey, Reydon, Strong City, Moorewood, Crawford,
Roll, and Angora.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms.

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

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3567 10000 3608 9950 3599 9932 3580 9925
      3560 9941 3550 10000
TIME...MOT...LOC 1520Z 311DEG 25KT 3592 9948 3567 9950 3549 10015 

TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

MDU



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