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Severe Thunderstorm Warning 0454
Issued by the Norman Forecast Office

Action Issued Starts Expiration
New 2026-05-18 23:59:42 2026-05-18 23:59:00 2026-05-19 01:00:00
Cancelled 2026-05-19 00:29:13 2026-05-19 01:00:00
Continued 2026-05-19 00:29:13 2026-05-19 01:00:00
Continued 2026-05-19 00:45:13 2026-05-19 01:00:00

Action: New
Issued At: 2026-05-18 23:59:42 

648 
WUUS54 KOUN 190459
SVROUN
OKC053-071-190600-
/O.NEW.KOUN.SV.W.0454.260519T0459Z-260519T0600Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Norman OK
1159 PM CDT Mon May 18 2026

The National Weather Service in Norman has issued a

* Severe Thunderstorm Warning for...
  Kay County in northern Oklahoma...
  Northeastern Grant County in northern Oklahoma...

* Until 100 AM CDT.

* At 1158 PM CDT, severe thunderstorms were located along a line
  extending from near Geuda Springs to 4 miles east of Braman to near
  Nardin, moving east at 25 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Ponca City, Blackwell, Tonkawa, Newkirk, Kaw City, Braman, Deer
  Creek, Kildare, Chilocco, Kaw Lake, Hardy, Nardin, Blackwell Lake,
  and Peckham.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3678 9675 3677 9682 3674 9683 3675 9689
      3668 9693 3669 9702 3670 9703 3669 9705
      3666 9706 3662 9705 3671 9761 3700 9748
      3700 9675
TIME...MOT...LOC 0458Z 291DEG 21KT 3709 9712 3691 9726 3678 9745 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

MDU
Action: Cancelled
Issued At: 2026-05-19 00:29:13 

511 
WWUS54 KOUN 190528
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
1228 AM CDT Tue May 19 2026

OKC053-190538-
/O.CAN.KOUN.SV.W.0454.000000T0000Z-260519T0600Z/
Grant OK-
1228 AM CDT Tue May 19 2026

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN GRANT COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

LAT...LON 3678 9675 3677 9682 3674 9683 3675 9689
      3668 9693 3669 9702 3670 9703 3669 9705
      3666 9706 3662 9705 3669 9746 3700 9746
      3700 9675
TIME...MOT...LOC 0528Z 271DEG 19KT 3699 9710 3681 9723 3668 9742 

$$

OKC071-190600-
/O.CON.KOUN.SV.W.0454.000000T0000Z-260519T0600Z/
Kay OK-
1228 AM CDT Tue May 19 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 AM CDT
FOR KAY COUNTY...

At 1228 AM CDT, severe thunderstorms were located along a line
extending from near Chilocco to 3 miles east of Blackwell to 6 miles
west of Tonkawa, moving east at 20 mph.

HAZARD...70 mph wind gusts and half dollar 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...
Ponca City, Blackwell, Tonkawa, Newkirk, Kaw City, Braman, Kildare,
Chilocco, Kaw Lake, Hardy, Nardin, Blackwell Lake, and Peckham.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3678 9675 3677 9682 3674 9683 3675 9689
      3668 9693 3669 9702 3670 9703 3669 9705
      3666 9706 3662 9705 3669 9746 3700 9746
      3700 9675
TIME...MOT...LOC 0528Z 271DEG 19KT 3699 9710 3681 9723 3668 9742 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

MDU
Action: Continued
Issued At: 2026-05-19 00:29:13 

511 
WWUS54 KOUN 190528
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
1228 AM CDT Tue May 19 2026

OKC053-190538-
/O.CAN.KOUN.SV.W.0454.000000T0000Z-260519T0600Z/
Grant OK-
1228 AM CDT Tue May 19 2026

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN GRANT COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

LAT...LON 3678 9675 3677 9682 3674 9683 3675 9689
      3668 9693 3669 9702 3670 9703 3669 9705
      3666 9706 3662 9705 3669 9746 3700 9746
      3700 9675
TIME...MOT...LOC 0528Z 271DEG 19KT 3699 9710 3681 9723 3668 9742 

$$

OKC071-190600-
/O.CON.KOUN.SV.W.0454.000000T0000Z-260519T0600Z/
Kay OK-
1228 AM CDT Tue May 19 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 AM CDT
FOR KAY COUNTY...

At 1228 AM CDT, severe thunderstorms were located along a line
extending from near Chilocco to 3 miles east of Blackwell to 6 miles
west of Tonkawa, moving east at 20 mph.

HAZARD...70 mph wind gusts and half dollar 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...
Ponca City, Blackwell, Tonkawa, Newkirk, Kaw City, Braman, Kildare,
Chilocco, Kaw Lake, Hardy, Nardin, Blackwell Lake, and Peckham.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3678 9675 3677 9682 3674 9683 3675 9689
      3668 9693 3669 9702 3670 9703 3669 9705
      3666 9706 3662 9705 3669 9746 3700 9746
      3700 9675
TIME...MOT...LOC 0528Z 271DEG 19KT 3699 9710 3681 9723 3668 9742 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

MDU
Action: Continued
Issued At: 2026-05-19 00:45:13 

857 
WWUS54 KOUN 190544
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
1244 AM CDT Tue May 19 2026

OKC071-190600-
/O.CON.KOUN.SV.W.0454.000000T0000Z-260519T0600Z/
Kay OK-
1244 AM CDT Tue May 19 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 AM CDT
FOR KAY COUNTY...

At 1244 AM CDT, severe thunderstorms were located along a line
extending from 6 miles east of Chilocco to 4 miles northwest of
Kildare to 3 miles south of Tonkawa, moving east at 20 mph.

HAZARD...70 mph wind gusts and half dollar 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...
Ponca City, Blackwell, Tonkawa, Newkirk, Kaw City, Kildare, Chilocco,
Kaw Lake, Hardy, and Peckham.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3678 9675 3677 9682 3674 9683 3675 9689
      3668 9693 3669 9702 3670 9703 3669 9705
      3666 9706 3662 9705 3668 9742 3700 9723
      3700 9675
TIME...MOT...LOC 0544Z 279DEG 17KT 3700 9696 3683 9713 3664 9729 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

MDU

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