Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 428, NWS Tulsa, OK

August 10, 2025Osage County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Aug 10, 2025, 8:43 PM CDT for Osage County, Oklahoma. It was in force for 32 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: Aug 10, 2025, 8:43 PM CDT (01:43 UTC)
Expired: Aug 10, 2025, 9:15 PM CDT
In force: 32 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Osage County, OK

The radar

The Tulsa radar (KINX), 90 km from the middle of the area, began a volume at 01:47 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 nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 1.7 hours before the alert went out and 272 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 466 J/kg
Mixed-layer CIN: -120 J/kg
Mixed-layer LCL: 1279 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: -7 m²/s²
0-3 km storm-relative helicity: 169 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.6

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 10, 5:53 PM CDT, 2 hours 50 minutes earlier.

Area forecast discussion, Aug 10, 5:53 PM CDT, 2 hours 50 minutes before

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Hazardous weather outlook, Aug 10, 7:16 PM CDT, 1 hour 27 minutes before

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In the hours before

Special weather statement, Aug 10, 6:47 PM CDT, 1 hour 56 minutes before

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Special weather statement, Aug 10, 7:56 PM CDT, 47 minutes before

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Special weather statement, Aug 10, 8:06 PM CDT, 37 minutes before

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Special weather statement, Aug 10, 8:36 PM CDT, 7 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 10, 8:06 PM CDT	Special Weather Statement	TSA	Washington	24 min
Aug 10, 8:15 PM CDT	Severe Thunderstorm Warning	TSA	Nowata, Osage, Washington	45 min
Aug 10, 8:36 PM CDT	Special Weather Statement	TSA	Osage	24 min
Aug 10, 8:51 PM CDT	Special Weather Statement	TSA	Nowata	39 min
Aug 10, 9:09 PM CDT	Special Weather Statement	TSA	Osage	51 min
Aug 10, 9:34 PM CDT	Areal Flood Advisory	TSA	Osage	3 hr
Aug 10, 10:10 PM CDT	Special Weather Statement	TSA	Osage	50 min
Aug 10, 10:23 PM CDT	Special Weather Statement	TSA	Ottawa	37 min
Aug 10, 10:43 PM CDT	Severe Thunderstorm Warning	TSA	Osage	47 min
Aug 10, 11:06 PM CDT	Severe Thunderstorm Warning	TSA	Osage	39 min
Aug 10, 11:26 PM CDT	Flood Watch	TSA		8 hr
Aug 10, 11:35 PM CDT	Areal Flood Advisory	TSA	Osage	3 hr
Aug 10, 11:42 PM CDT	Special Weather Statement	TSA	Kay	33 min
Aug 11, 12:13 AM CDT	Special Weather Statement	TSA	Washington	47 min
Aug 11, 12:53 AM CDT	Special Weather Statement	TSA	Washington	52 min
Aug 11, 1:32 AM CDT	Special Weather Statement	TSA	Nowata	43 min
Aug 11, 12:24 PM CDT	Flood Watch	TSA	Craig, Creek, Mayes, Nowata, Okfuskee, Okmulgee and 5 more	11 hr
Aug 11, 3:01 PM CDT	Special Weather Statement	TSA	Rogers	29 min
Aug 11, 3:32 PM CDT	Areal Flood Advisory	TSA	Craig, Nowata	3 hr
Aug 11, 3:32 PM CDT	Special Weather Statement	TSA	Rogers	43 min
Aug 11, 3:44 PM CDT	Special Weather Statement	TSA	Tulsa	46 min
Aug 11, 3:53 PM CDT	Flash Flood Warning	TSA	Craig, Nowata	3 hr
Aug 11, 3:54 PM CDT	Special Weather Statement	TSA	Pawnee	36 min
Aug 11, 4:09 PM CDT	Areal Flood Advisory	TSA	Creek, Osage, Pawnee, Tulsa	3 hr
Aug 11, 4:13 PM CDT	Special Weather Statement	TSA	Ottawa	32 min
Aug 11, 4:14 PM CDT	Special Weather Statement	TSA	Muskogee	46 min
Aug 11, 4:17 PM CDT	Special Weather Statement	TSA	Nowata	28 min
Aug 11, 4:30 PM CDT	Areal Flood Advisory	TSA	Craig, Ottawa	3 hr
Aug 11, 4:32 PM CDT	Special Weather Statement	TSA	Osage	43 min
Aug 11, 4:34 PM CDT	Special Weather Statement	TSA	Creek	41 min
Aug 11, 4:34 PM CDT	Special Weather Statement	TSA	Washington	41 min
Aug 11, 4:38 PM CDT	Special Weather Statement	TSA	Haskell	37 min
Aug 11, 4:41 PM CDT	Special Weather Statement	TSA	Rogers	34 min
Aug 11, 4:44 PM CDT	Special Weather Statement	TSA	Ottawa	46 min
Aug 11, 4:47 PM CDT	Special Weather Statement	TSA	Nowata	28 min
Aug 11, 4:54 PM CDT	Special Weather Statement	TSA	Rogers	36 min
Aug 11, 5:01 PM CDT	Flash Flood Warning	TSA	Craig, Ottawa	3 hr
Aug 11, 5:04 PM CDT	Special Weather Statement	TSA	Delaware	41 min
Aug 11, 5:17 PM CDT	Special Weather Statement	TSA	Creek	43 min
Aug 11, 5:18 PM CDT	Special Weather Statement	TSA	Rogers	27 min
Aug 11, 5:19 PM CDT	Special Weather Statement	TSA	Washington	41 min
Aug 11, 5:25 PM CDT	Special Weather Statement	TSA	Creek	35 min
Aug 11, 5:25 PM CDT	Special Weather Statement	TSA	Mayes	35 min
Aug 11, 5:30 PM CDT	Areal Flood Advisory	TSA	Creek	3 hr
Aug 11, 5:38 PM CDT	Special Weather Statement	TSA	Creek, Okfuskee, Okmulgee, Tulsa	52 min
Aug 11, 5:45 PM CDT	Special Weather Statement	TSA	Nowata, Washington	45 min
Aug 11, 5:46 PM CDT	Special Weather Statement	TSA	Rogers	29 min
Aug 11, 5:51 PM CDT	Special Weather Statement	TSA	Rogers	39 min
Aug 11, 5:53 PM CDT	Special Weather Statement	TSA	Delaware	52 min
Aug 11, 5:54 PM CDT	Areal Flood Advisory	TSA	Rogers, Tulsa, Wagoner	3 hr
Aug 11, 6:02 PM CDT	Special Weather Statement	TSA	Mayes	43 min
Aug 11, 6:18 PM CDT	Flash Flood Warning	TSA	Okmulgee, Rogers, Tulsa, Wagoner	3 hr
Aug 11, 6:26 PM CDT	Special Weather Statement	TSA	Mayes, Wagoner	49 min
Aug 11, 6:30 PM CDT	Special Weather Statement	TSA	Haskell	30 min
Aug 11, 6:31 PM CDT	Special Weather Statement	TSA	Okfuskee, Okmulgee	44 min
Aug 11, 6:35 PM CDT	Areal Flood Advisory	TSA	Craig, Delaware, Mayes, Rogers, Wagoner	3 hr
Aug 11, 6:46 PM CDT	Special Weather Statement	TSA	Mayes	44 min
Aug 11, 6:52 PM CDT	Special Weather Statement	TSA	Tulsa	38 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2025 Every severe thunderstorm warning in 2025

Sources

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