Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 365, NWS Tulsa, OK

September 19, 2023Okfuskee County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Sep 19, 2023, 9:58 PM CDT for Okfuskee County, Oklahoma. It was in force for 28 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 19, 2023, 9:58 PM CDT (02:58 UTC)
Expired
Sep 19, 2023, 10:26 PM CDT
In force
28 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Hail
1.5 in
Wind
60.0 mph

County Okfuskee County, OK

The radar

The Norman radar (KTLX), 88 km from the middle of the area, began a volume at 02:57 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

Springfield, MO (KSGF), launched 00:00Z, 3.0 hours before the alert went out and 277 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-pSkew-T log-p diagram, Springfield, MO at 00:00Z on 2023-09-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 105 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2023-09-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -38 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
105 J/kg
Mixed-layer CIN
-56 J/kg
Mixed-layer LCL
1297 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-38 m²/s²
0-3 km storm-relative helicity
-10 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 Sep 19, 8:42 PM CDT, 1 hour 16 minutes earlier.

Area forecast discussion, Sep 19, 8:42 PM CDT, 1 hour 16 minutes before
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Hazardous weather outlook, Sep 19, 5:06 PM CDT, 4 hours 52 minutes before
Hazardous Weather Outlook
National Weather Service Tulsa OK
506 PM CDT Tue Sep 19 2023

ARZ001-002-010-011-019-020-029-OKZ049-053>076-201015-
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-
506 PM CDT Tue Sep 19 2023

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

.DAY ONE...Today and Tonight.

SEVERE THUNDERSTORM.
	RISK...Elevated.
	AREA...Eastern Oklahoma.
	ONSET...Ongoing.

FLASH FLOOD.
	RISK...Limited.
	AREA...Northeast Oklahoma.
	ONSET...Late this evening.

HEAVY RAIN.
	RISK...Significant.
	AREA...Mainly northeast Oklahoma.
	ONSET...Late this evening.

	AREA AT GREATEST RISK...Northeast Oklahoma.

DISCUSSION...
Numerous showers and thunderstorms will continue to develop across
the area, focusing over northeast Oklahoma. A few thunderstorms
may be severe over eastern Oklahoma, with marginally severe wind
and hail being the main threats. As the evening progresses, areas
of heavy rainfall will develop across northeast Oklahoma and
possible into northwest Arkansas, possibly resulting in localized
flooding. Storms will begin to diminish by daybreak Wednesday.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
Local Spotter Activation May Be Needed.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
WEDNESDAY...Thunderstorm Potential.
THURSDAY...Thunderstorm Potential...Heavy Rain Potential.
FRIDAY...Thunderstorm Potential.
SATURDAY...Severe Thunderstorm and Heavy Rain Potential.
SUNDAY...Thunderstorm Potential.
MONDAY...No Hazards.

EXTENDED DISCUSSION...
Thunderstorms will be ongoing Wednesday morning before gradually
diminishing in coverage by the afternoon. The unsettled weather
pattern continues with daily thunderstorm chances through the
upcoming weekend. The time frame of Thursday night into Friday
and Saturday night into Sunday both appear as favorable time
frames for higher chances of thunderstorms. These time frames will
also likely have a risk of severe weather and heavy rainfall
potential.

weather.gov/tulsa contains additional information.

In the hours before

Special weather statement, Sep 19, 4:00 PM CDT, 5 hours 58 minutes before
Special Weather Statement
National Weather Service Tulsa OK
400 PM CDT Tue Sep 19 2023

OKZ054-192130-
Osage OK-
400 PM CDT Tue Sep 19 2023

...STRONG THUNDERSTORMS WILL IMPACT NORTHERN OSAGE COUNTY THROUGH 430
PM CDT...

At 400 PM CDT, Doppler radar indicated strong thunderstorms along a
line extending from 5 miles northeast of Pearsonia to 6 miles
northwest of Fairfax. Movement was southeast at 35 mph.

HAZARD...Wind gusts up to 50 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down small tree limbs and blow
         around unsecured objects. Minor hail damage to vegetation
         is possible.

Locations in or near the path include...
Pawhuska...                       Fairfax...
Shidler...                        Burbank...
Bigheart...                       Osage Hills State Park...
Pearsonia...                      Sunset Lake...
Apperson...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3680 9605 3646 9658 3656 9675 3667 9696
      3693 9637
TIME...MOT...LOC 2100Z 307DEG 30KT 3686 9640 3662 9680

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 MPH
Special weather statement, Sep 19, 4:29 PM CDT, 5 hours 29 minutes before
Special Weather Statement
National Weather Service Tulsa OK
429 PM CDT Tue Sep 19 2023

OKZ054-055-059-192200-
Osage OK-Pawnee OK-Washington OK-
429 PM CDT Tue Sep 19 2023

...STRONG THUNDERSTORMS WILL IMPACT SOUTHEASTERN OSAGE...WEST CENTRAL
WASHINGTON AND NORTH CENTRAL PAWNEE COUNTIES THROUGH 500 PM CDT...

At 429 PM CDT, Doppler radar indicated strong thunderstorms along a
line extending from 4 miles east of Sunset Lake to 5 miles east of
Ralston. Movement was southeast at 30 mph.

HAZARD...Wind gusts up to 50 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down small tree limbs and blow
         around unsecured objects. Minor hail damage to vegetation
         is possible.

Locations in or near the path include...
Bartlesville...                   Pawhuska...
Hominy...                         Barnsdall...
Wynona...                         Ralston...
Osage Hills State Park...         Okesa...
Sunset Lake...                    Pershing...
Nelagoney...                      Tallant...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3669 9589 3633 9650 3650 9678 3685 9617
TIME...MOT...LOC 2129Z 305DEG 26KT 3680 9615 3651 9665

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 MPH
Special weather statement, Sep 19, 7:47 PM CDT, 2 hours 11 minutes before
Special Weather Statement
National Weather Service Tulsa OK
747 PM CDT Tue Sep 19 2023

OKZ056-057-200115-
Craig OK-Nowata OK-
747 PM CDT Tue Sep 19 2023

...A STRONG THUNDERSTORM WILL IMPACT NORTHWESTERN CRAIG AND
NORTHEASTERN NOWATA COUNTIES THROUGH 815 PM CDT...

At 747 PM CDT, Doppler radar indicated a strong thunderstorm 3 miles
east of South Coffeyville, moving southeast at 10 mph.

HAZARD...Wind gusts up to 40 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down small tree limbs and blow
         around unsecured objects. Minor hail damage to vegetation
         is possible.

Locations in or near the path include...
South Coffeyville...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3684 9537 3700 9574 3700 9528
TIME...MOT...LOC 0047Z 296DEG 10KT 3698 9555

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH
Special weather statement, Sep 19, 8:15 PM CDT, 1 hour 43 minutes before
Special Weather Statement
National Weather Service Tulsa OK
815 PM CDT Tue Sep 19 2023

OKZ056-057-200145-
Craig OK-Nowata OK-
815 PM CDT Tue Sep 19 2023

...A STRONG THUNDERSTORM WILL IMPACT NORTHWESTERN CRAIG AND
NORTHEASTERN NOWATA COUNTIES THROUGH 845 PM CDT...

At 815 PM CDT, Doppler radar indicated a strong thunderstorm 8 miles
southwest of Edna, moving southeast at 15 mph.

HAZARD...Wind gusts up to 40 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down small tree limbs and blow
         around unsecured objects. Minor hail damage to vegetation
         is possible.

Locations in or near the path include...
South Coffeyville...              Hollow...
Centrailia...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3695 9511 3679 9534 3700 9564 3700 9528
TIME...MOT...LOC 0115Z 293DEG 12KT 3696 9544

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 19, 7:47 PM CDTSpecial Weather StatementTSANowata28 min
Sep 19, 8:15 PM CDTSpecial Weather StatementTSACraig30 min
Sep 19, 8:23 PM CDTSevere Thunderstorm WarningTSACraig, Nowata52 min
Sep 19, 8:29 PM CDTFlash Flood WarningTSACraig, Nowata3 hr
Sep 19, 9:10 PM CDTSevere Thunderstorm WarningTSACraig, Nowata, Ottawa50 min
Sep 19, 10:06 PM CDTSpecial Weather StatementTSACraig, Delaware24 min
Sep 19, 10:12 PM CDTSpecial Weather StatementTSADelaware33 min
Sep 19, 10:35 PM CDTSpecial Weather StatementTSAChoctaw40 min
Sep 19, 10:40 PM CDTSpecial Weather StatementTSAOttawa35 min
Sep 19, 11:11 PM CDTSpecial Weather StatementTSATulsa34 min
Sep 19, 11:22 PM CDTSpecial Weather StatementTSAOttawa23 min
Sep 19, 11:30 PM CDTSpecial Weather StatementTSAMuskogee30 min
Sep 19, 11:42 PM CDTSpecial Weather StatementTSATulsa, Wagoner33 min
Sep 19, 11:45 PM CDTSpecial Weather StatementTSAMayes30 min
Sep 20, 2:39 AM CDTAreal Flood AdvisoryTSACraig, Delaware, Nowata, Ottawa3 hr
Sep 20, 7:34 AM CDTAreal Flood AdvisoryTSAMuskogee3 hr
Sep 20, 10:30 AM CDTSpecial Weather StatementTSAChoctaw30 min
Sep 20, 1:52 PM CDTSpecial Weather StatementTSAPushmataha23 min
Sep 20, 2:58 PM CDTSpecial Weather StatementTSAPittsburg32 min
Sep 20, 3:36 PM CDTAreal Flood AdvisoryTSALatimer, Pushmataha3 hr
Sep 19, 11:05 PM CDTSpecial Weather StatementTSABenton25 min
Sep 19, 11:47 PM CDTSpecial Weather StatementTSABenton28 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2023Every severe thunderstorm warning in 2023

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.