Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 187, NWS Tulsa, OK

May 18, 20254 counties in Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 18, 2025, 1:58 AM CDT for 4 counties in Oklahoma. It was in force for 47 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: May 18, 2025, 1:58 AM CDT (06:58 UTC)
Expired: May 18, 2025, 2:45 AM CDT
In force: 47 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Muskogee County, OK, Okmulgee County, OK, Tulsa County, OK, Wagoner County, OK

The radar

The Tulsa radar (KINX), 40 km from the middle of the area, began a volume at 07:00 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 17, 9:54 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 7.0 hours before the alert went out and 168 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: 250 J/kg
Mixed-layer CIN: -259 J/kg
Mixed-layer LCL: 1896 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 82 m²/s²
0-3 km storm-relative helicity: 243 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 May 18, 12:25 AM CDT, 1 hour 33 minutes earlier.

Area forecast discussion, May 18, 12:25 AM CDT, 1 hour 33 minutes before

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Hazardous weather outlook, May 17, 10:31 PM CDT, 3 hours 27 minutes before

Hazardous Weather Outlook
National Weather Service Tulsa OK
1031 PM CDT Sat May 17 2025

ARZ001-002-010-011-019-020-029-OKZ049-053>076-181030-
Adair OK-Benton AR-Carroll AR-Cherokee OK-Choctaw OK-Craig OK-
Crawford AR-Creek OK-Delaware OK-Franklin AR-Haskell OK-Latimer OK-
Le Flore OK-Madison AR-Mayes OK-McIntosh OK-Muskogee OK-Nowata OK-
Okfuskee OK-Okmulgee OK-Osage OK-Ottawa OK-Pawnee OK-Pittsburg OK-
Pushmataha OK-Rogers OK-Sebastian AR-Sequoyah OK-Tulsa OK-Wagoner OK-
Washington OK-Washington AR-
1031 PM CDT Sat May 17 2025

This Outlook is for Northwest and West Central Arkansas as well as
much of Eastern Oklahoma.

.DAY ONE...Tonight.
TORNADO.
	RISK...Limited.
	AREA...Southeastern Oklahoma.
	ONSET...Ongoing.

SEVERE THUNDERSTORM.
	RISK...Elevated.
	AREA...Eastern Oklahoma and Northwest Arkansas.
	ONSET...Ongoing.

HEAVY RAIN.
	RISK...Limited.
	AREA...Eastern Oklahoma and Northwest Arkansas.
	ONSET...Ongoing.

DISCUSSION...
Scattered strong to severe thunderstorms have developed this evening
over central and northwestern Oklahoma, and are expected to affect
portions of eastern Oklahoma and northwestern Arkansas overnight.
Moderately strong instability combined with strong deep layer wind
shear will support the potential for some of these storms to produce
large hail and damaging wind gusts overnight.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
Activation of the Regional Spotter Network Likely.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.
SUNDAY...Severe Thunderstorm Potential...High Wind Potential.
MONDAY...Severe Thunderstorm Potential...High Wind Potential...
Heavy Rain Potential.
TUESDAY...Thunderstorm Potential...High Wind Potential.
WEDNESDAY...High Wind Potential.
THURSDAY...Thunderstorm Potential.
FRIDAY...Thunderstorm Potential...Heavy Rain Potential.

EXTENDED DISCUSSION...
The threat for severe weather increases on Sunday and increases
further on Monday. Unstable air is forecast to overspread the entire
area as a storm system approaches from the west. The degree of
forecast instability and the pattern of the winds aloft suggest the
potential for very large hail, damaging winds, and a few tornadoes on
both Sunday and Monday. On Sunday, the greater risk is expected to
be more confined to parts of northeast Oklahoma. The higher-end
potential on Monday is forecast to be over most of eastern Oklahoma
and northwest and west-central Arkansas. Severe thunderstorm chances
continue into early Tuesday as the system exits the area to the east
during the day.

Low thunderstorm chances, including a limited risk of severe weather,
are reintroduced late this week after a couple of days of fair
weather.

EMERGENCY MANAGEMENT PLANNING STATEMENT...
Emergency management and response agencies should be ready for 3 days
in a row of severe weather operations, and be ready to respond to
impacts.

weather.gov/tulsa contains additional information.

69

In the hours before

Special weather statement, May 18, 12:33 AM CDT, 1 hour 25 minutes before

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Special weather statement, May 18, 12:38 AM CDT, 1 hour 20 minutes before

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Special weather statement, May 18, 12:42 AM CDT, 1 hour 16 minutes before

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Special weather statement, May 18, 1:09 AM CDT, 49 minutes before

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Local storm report, May 18, 1:17 AM CDT, 41 minutes before

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Special weather statement, May 18, 1:31 AM CDT, 27 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
May 17, 7:22 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	38 min
May 17, 7:41 PM CDT	Special Weather Statement	TSA	McIntosh	34 min
May 17, 7:56 PM CDT	Severe Thunderstorm Warning Considerable damage threat	TSA	Pittsburg, Pushmataha	49 min
May 17, 7:57 PM CDT	Special Weather Statement	TSA	Pittsburg	33 min
May 17, 8:03 PM CDT	Special Weather Statement	TSA	Choctaw	42 min
May 17, 8:28 PM CDT	Special Weather Statement	TSA	Pittsburg	32 min
May 17, 8:32 PM CDT	Severe Thunderstorm Warning	TSA	Choctaw	29 min
May 17, 8:39 PM CDT	Flash Flood Warning	TSA	Pittsburg, Pushmataha	4 hr
May 17, 8:40 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg, Pushmataha	50 min
May 17, 8:45 PM CDT	Special Weather Statement	TSA	Atoka	15 min
May 17, 9:16 PM CDT	Severe Thunderstorm Warning	TSA	Pushmataha	16 min
May 17, 9:23 PM CDT	Severe Thunderstorm Warning	TSA	Pushmataha	37 min
May 17, 9:29 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh, Okfuskee, Okmulgee	19 min
May 17, 9:43 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore, Pushmataha	19 min
May 17, 10:09 PM CDT	Areal Flood Advisory	TSA	Pushmataha	2 hr
May 17, 10:29 PM CDT	Severe Thunderstorm Warning	TSA	Pawnee	35 min
May 17, 10:49 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	41 min
May 17, 10:52 PM CDT	Special Weather Statement	TSA	Okfuskee	23 min
May 17, 11:03 PM CDT	Special Weather Statement	TSA	LeFlore	42 min
May 17, 11:11 PM CDT	Special Weather Statement	TSA	Pawnee	49 min
May 17, 11:19 PM CDT	Special Weather Statement	TSA	Okfuskee, Okmulgee	56 min
May 17, 11:21 PM CDT	Severe Thunderstorm Warning	TSA	Osage	54 min
May 17, 11:22 PM CDT	Severe Thunderstorm Warning	TSA	Nowata, Osage, Rogers, Washington	15 min
May 17, 11:38 PM CDT	Special Weather Statement	TSA	Okmulgee	37 min
May 17, 11:53 PM CDT	Special Weather Statement	TSA	Cherokee, Muskogee	37 min
May 18, 12:15 AM CDT	Special Weather Statement	TSA	Washington	45 min
May 18, 12:33 AM CDT	Special Weather Statement	TSA	Adair, Cherokee, McIntosh, Muskogee, Sequoyah	42 min
May 18, 12:38 AM CDT	Special Weather Statement	TSA	Creek	67 min
May 18, 12:42 AM CDT	Special Weather Statement	TSA	Nowata	63 min
May 18, 1:09 AM CDT	Special Weather Statement	TSA	Sequoyah	66 min
May 18, 1:31 AM CDT	Special Weather Statement	TSA	Tulsa	44 min
May 18, 2:03 AM CDT	Severe Thunderstorm Warning	TSA	Creek, Okfuskee, Okmulgee	57 min
May 18, 2:20 AM CDT	Special Weather Statement	TSA	Cherokee	40 min
May 18, 2:39 AM CDT	Severe Thunderstorm Warning	TSA	Creek, McIntosh, Muskogee, Okfuskee, Okmulgee	51 min
May 18, 2:57 AM CDT	Severe Thunderstorm Warning	TSA	McIntosh, Okfuskee, Okmulgee, Pittsburg	48 min
May 18, 3:03 AM CDT	Special Weather Statement	TSA	Adair, Cherokee	42 min
May 18, 3:13 AM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Haskell, LeFlore, McIntosh, Muskogee and 1 more	62 min
May 18, 3:34 AM CDT	Special Weather Statement	TSA	Haskell	26 min
May 18, 3:41 AM CDT	Severe Thunderstorm Warning	TSA	Haskell, Latimer, McIntosh, Pittsburg	31 min
May 18, 4:04 AM CDT	Special Weather Statement	TSA	Haskell, LeFlore	26 min
May 18, 4:11 AM CDT	Severe Thunderstorm Warning	TSA	Adair, LeFlore, Sequoyah	49 min
May 18, 4:40 AM CDT	Special Weather Statement	TSA	LeFlore	35 min
May 18, 4:57 AM CDT	Special Weather Statement	TSA	Washington	33 min
May 18, 5:13 AM CDT	Special Weather Statement	TSA	Latimer	32 min
May 18, 5:30 AM CDT	Special Weather Statement	TSA	Washington	30 min
May 18, 6:03 AM CDT	Special Weather Statement	TSA	Mayes, Rogers	27 min
May 18, 7:05 AM CDT	Areal Flood Advisory	TSA	Rogers, Tulsa	3 hr
May 18, 7:35 AM CDT	Special Weather Statement	TSA	Tulsa	25 min
May 18, 7:55 AM CDT	Special Weather Statement	TSA	Rogers	35 min
May 18, 8:11 AM CDT	Special Weather Statement	TSA	Delaware	34 min
May 18, 8:34 AM CDT	Special Weather Statement	TSA	Craig	26 min
May 18, 8:37 AM CDT	Special Weather Statement	TSA	Delaware	23 min
May 18, 9:21 AM CDT	Special Weather Statement	TSA	Delaware	24 min
May 18, 11:03 AM CDT	Special Weather Statement	TSA	Delaware	27 min
May 18, 11:06 AM CDT	Special Weather Statement	TSA	Delaware	24 min
May 18, 11:11 AM CDT	Special Weather Statement	TSA	Wagoner	34 min
May 18, 11:40 AM CDT	Special Weather Statement	TSA	Cherokee	35 min
May 18, 11:43 AM CDT	Special Weather Statement	TSA	Sequoyah	32 min
May 18, 11:56 AM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee	23 min
May 18, 12:01 PM CDT	Special Weather Statement	TSA	Pawnee	29 min
May 18, 12:06 PM CDT	Special Weather Statement	TSA	Adair	24 min
May 18, 12:10 PM CDT	Severe Thunderstorm Warning	TSA	Adair	50 min
May 18, 12:13 PM CDT	Special Weather Statement	TSA	Delaware	32 min
May 18, 12:15 PM CDT	Special Weather Statement	TSA	Tulsa	30 min
May 18, 12:18 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee, Washington	42 min
May 18, 12:29 PM CDT	Severe Thunderstorm Warning	TSA	Delaware	46 min
May 18, 12:34 PM CDT	Severe Thunderstorm Warning	TSA	Sequoyah	41 min
May 18, 12:36 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Rogers, Tulsa, Washington	39 min
May 18, 12:51 PM CDT	Severe Thunderstorm Warning	TSA	Nowata, Osage, Rogers, Tulsa, Washington	39 min
May 18, 12:58 PM CDT	Special Weather Statement	TSA	Washington	32 min
May 18, 1:05 PM CDT	Severe Thunderstorm Warning	TSA	Mayes, Rogers, Tulsa, Wagoner	40 min
May 18, 1:31 PM CDT	Severe Thunderstorm Warning	TSA	Nowata, Osage, Rogers, Washington	44 min
May 18, 1:45 PM CDT	Severe Thunderstorm Warning	TSA	Mayes, Rogers	16 min
May 18, 1:55 PM CDT	Severe Thunderstorm Warning	TSA	Mayes	50 min
May 18, 2:04 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Mayes, Nowata, Rogers	41 min
May 18, 2:21 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Delaware, Ottawa	39 min
May 18, 2:25 PM CDT	Severe Thunderstorm Warning Considerable damage threat	TSA	Delaware, Mayes	65 min
May 18, 3:14 PM CDT	Special Weather Statement	TSA	Delaware	46 min
May 18, 3:20 PM CDT	Special Weather Statement	TSA	Craig, Ottawa	55 min
May 18, 3:28 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Delaware	47 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.