Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 381, NWS Tulsa, OK

September 20, 2026Delaware County, Ottawa County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Sep 20, 2026, 3:41 PM CDT for Delaware County, Ottawa County, Oklahoma. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 20, 2026, 3:41 PM CDT (20:41 UTC)
Expired
Sep 20, 2026, 4:30 PM CDT
In force
49 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Delaware County, OK, Ottawa County, OK

The radar

The Tulsa radar (KINX), 84 km from the middle of the area, began a volume at 20:42 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 19, 7:31 PM CDTSpecial Weather StatementTSAOsage29 min
Sep 20, 2:27 PM CDTSpecial Weather StatementTSAMayes33 min
Sep 20, 2:32 PM CDTSpecial Weather StatementTSAMayes28 min
Sep 20, 2:38 PM CDTSevere Thunderstorm WarningTSADelaware, Mayes26 min
Sep 20, 3:03 PM CDTSpecial Weather StatementTSADelaware27 min
Sep 20, 3:28 PM CDTSpecial Weather StatementTSAOttawa47 min
Sep 20, 3:34 PM CDTSpecial Weather StatementTSAMcIntosh, Pittsburg41 min
Sep 20, 4:14 PM CDTSpecial Weather StatementTSAPittsburg31 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2026Every severe thunderstorm warning in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.