Severe Center
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E. Oklahoma Warnings, Watches, And Advisories Severe Thunderstorm Warning 
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Severe Thunderstorm Warning
In effect: Tuesday, Apr 28 2026 12:49 PM CDT – Tuesday, Apr 28 2026 1:00 PM CDT
Issued by NWS Tulsa OK
A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 PM CDT FOR NORTHEASTERN DELAWARE AND SOUTHEASTERN OTTAWA COUNTIES
At 1248 PM CDT, a severe thunderstorm was located 9 miles southeast
of Wyandotte, moving northeast at 45 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations in or near the path include...
Grove...
Instructions:
For your protection move to an interior room on the lowest floor of a
building.
Areas Impacted:
Delaware, OK
Ottawa, OK
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Severe Thunderstorm Warning
In effect: Tuesday, Apr 28 2026 12:48 PM CDT – Tuesday, Apr 28 2026 1:15 PM CDT
Issued by NWS Tulsa OK
A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 PM CDT FOR EAST CENTRAL OSAGE COUNTY
At 1247 PM CDT, a severe thunderstorm was located 3 miles southwest
of Osage Hills State Park, moving northeast at 60 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations in or near the path include...
Bartlesville... Pawhuska...
Osage Hills State Park... Okesa...
Sunset Lake... Bartlesville Municipal Airport...
Nelagoney...
Instructions:
For your protection move to an interior room on the lowest floor of a
building.
Areas Impacted:
Osage, OK
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Severe Thunderstorm Warning
In effect: Tuesday, Apr 28 2026 12:46 PM CDT – Tuesday, Apr 28 2026 1:15 PM CDT
Issued by NWS Tulsa OK
SVRTSA

The National Weather Service in Tulsa has issued a

* Severe Thunderstorm Warning for...
Northern Nowata County in northeastern Oklahoma...

* Until 115 PM CDT.

* At 1246 PM CDT, a severe thunderstorm was located 5 miles northeast
of Wann, moving northeast at 60 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

* Locations in or near the path include...
South Coffeyville...
Instructions:
For your protection move to an interior room on the lowest floor of a
building.
Areas Impacted:
Nowata, OK
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Severe Thunderstorm Warning
In effect: Tuesday, Apr 28 2026 12:44 PM CDT – Tuesday, Apr 28 2026 1:00 PM CDT
Issued by NWS Tulsa OK
A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 PM CDT FOR NORTHERN NOWATA COUNTY
At 1243 PM CDT, severe thunderstorms were located 5 miles southeast
of Wann and northeast of Lenapah, moving northeast at 45 mph.

HAZARD...Half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations in or near the path include...
South Coffeyville... Lenapah...
Instructions:
For your protection move to an interior room on the lowest floor of a
building.
Areas Impacted:
Nowata, OK
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