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Home Return to list Severe Thunderstorm Warning 0381 Issued by the Tulsa Forecast Office
Action: New Issued At: 2026-09-20 15:42:00
904
WUUS54 KTSA 202041
SVRTSA
OKC041-115-202130-
/O.NEW.KTSA.SV.W.0381.260920T2041Z-260920T2130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
341 PM CDT Sun Sep 20 2026
The National Weather Service in Tulsa has issued a
* Severe Thunderstorm Warning for...
Northwestern Delaware County in northeastern Oklahoma...
Southern Ottawa County in northeastern Oklahoma...
* Until 430 PM CDT.
* At 341 PM CDT, a severe thunderstorm was located over Bernice,
moving northeast at 25 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations in or near the path include...
Grove... Fairland...
Afton... Bernice...
Wyandotte... Cleora...
Honey Creek State Park... Bernice State Park...
Ottawa... Zena...
Twin Bridges State Park...
This includes Interstate 44 between mile markers 295 and 308, and
between mile markers 311 and 312.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3678 9461 3663 9462 3647 9487 3657 9501
3668 9500 3692 9481
TIME...MOT...LOC 2041Z 225DEG 21KT 3660 9491
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Action: Continued Issued At: 2026-09-20 15:49:00
192
WWUS54 KTSA 202048
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
348 PM CDT Sun Sep 20 2026
OKC041-115-202130-
/O.CON.KTSA.SV.W.0381.000000T0000Z-260920T2130Z/
Delaware OK-Ottawa OK-
348 PM CDT Sun Sep 20 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM CDT
FOR NORTHWESTERN DELAWARE AND SOUTHERN OTTAWA COUNTIES...
At 348 PM CDT, a severe thunderstorm was located over Bernice State
Park, moving northeast at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations in or near the path include...
Grove... Fairland...
Afton... Bernice...
Wyandotte... Honey Creek State Park...
Bernice State Park... Ottawa...
Twin Bridges State Park... Zena...
This includes Interstate 44 between mile markers 295 and 308, and
between mile markers 311 and 312.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3678 9461 3663 9462 3649 9483 3660 9498
3668 9500 3692 9481
TIME...MOT...LOC 2048Z 225DEG 21KT 3663 9487
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Action: Continued Issued At: 2026-09-20 16:03:28
594
WWUS54 KTSA 202102
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
402 PM CDT Sun Sep 20 2026
OKC041-115-202130-
/O.CON.KTSA.SV.W.0381.000000T0000Z-260920T2130Z/
Delaware OK-Ottawa OK-
402 PM CDT Sun Sep 20 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM CDT
FOR NORTH CENTRAL DELAWARE AND SOUTHEASTERN OTTAWA COUNTIES...
At 402 PM CDT, a severe thunderstorm was located 4 miles northeast of
Bernice State Park, moving northeast at 20 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations in or near the path include...
Grove... Fairland...
Bernice... Wyandotte...
Honey Creek State Park... Bernice State Park...
Ottawa... Twin Bridges State Park...
This includes Interstate 44 near mile marker 299.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3678 9461 3663 9462 3653 9484 3667 9496
3689 9480
TIME...MOT...LOC 2102Z 223DEG 19KT 3667 9483
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Action: Expired Issued At: 2026-09-20 16:20:58
087
WWUS54 KTSA 202120
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
420 PM CDT Sun Sep 20 2026
OKC041-115-202130-
/O.EXP.KTSA.SV.W.0381.000000T0000Z-260920T2130Z/
Delaware OK-Ottawa OK-
420 PM CDT Sun Sep 20 2026
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL DELAWARE AND
SOUTHEASTERN OTTAWA COUNTIES WILL EXPIRE AT 430 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However, gusty
winds up to 40 mph and heavy rain are still possible with this
thunderstorm.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Tulsa.
&&
LAT...LON 3678 9461 3663 9462 3653 9484 3667 9496
3689 9480
TIME...MOT...LOC 2120Z 225DEG 21KT 3674 9475
$$
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