Alert archive / Texas / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 71, NWS Norman, OK

March 23, 20234 counties in Texas

NWS Norman, OK issued this severe thunderstorm warning at Mar 23, 2023, 6:11 PM CDT for 4 counties in Texas. 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
Mar 23, 2023, 6:11 PM CDT (23:11 UTC)
Expired
Mar 23, 2023, 7:00 PM CDT
In force
49 min
Issued by
NWS Norman, OK
Area
Storm-based polygon
Hail
1.5 in
Wind
60.0 mph

Counties Baylor County, TX, Foard County, TX, Knox County, TX, Wilbarger County, TX

The radar

The Altus AFB radar (KFDR), 77 km from the middle of the area, began a volume at 23:13 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.

IssuedProductOfficeLasted
Mar 23, 3:10 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 11.2 hours before the alert went out and 247 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, Norman, OK at 12:00Z on 2023-03-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 550 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 12:00Z on 2023-03-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 277 square meters per square second.1939587897117Sfc1 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
550 J/kg
Mixed-layer CIN
-266 J/kg
Mixed-layer LCL
743 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
277 m²/s²
0-3 km storm-relative helicity
351 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 Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 23, 3:23 PM CDT, 2 hours 48 minutes earlier.

Area forecast discussion, Mar 23, 3:23 PM CDT, 2 hours 48 minutes before
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Hazardous weather outlook, Mar 23, 3:07 PM CDT, 3 hours 4 minutes before
Hazardous Weather Outlook
National Weather Service Norman OK
307 PM CDT Thu Mar 23 2023

OKZ004>048-050>052-TXZ083>090-242015-
Harper-Woods-Alfalfa-Grant-Kay-Ellis-Woodward-Major-Garfield-
Noble-Roger Mills-Dewey-Custer-Blaine-Kingfisher-Logan-Payne-
Beckham-Washita-Caddo-Canadian-Oklahoma-Lincoln-Grady-McClain-
Cleveland-Pottawatomie-Seminole-Hughes-Harmon-Greer-Kiowa-Jackson-
Tillman-Comanche-Stephens-Garvin-Murray-Pontotoc-Coal-Cotton-
Jefferson-Carter-Johnston-Atoka-Love-Marshall-Bryan-Hardeman-
Foard-Wilbarger-Wichita-Knox-Baylor-Archer-Clay-
307 PM CDT Thu Mar 23 2023

This hazardous weather outlook is for portions of northern...
western...central...and southern Oklahoma...and western north
Texas.

.DAY ONE...This Afternoon and Tonight...

.Thunderstorms...
Scattered thunderstorms are expected through early Friday morning
from western-north Texas through south-central and southeast
Oklahoma. Large hail, up to golf ball size, will be the primary
hazard. However, a tornado and/or damaging winds are also possible
with storms this evening across western-north Texas.

.Heavy Rainfall...
Areas of heavy rainfall and isolated flash flooding are expected
across east-central into southeastern Oklahoma through early
Friday morning.

.SPOTTER AND EMERGENCY MANAGEMENT STATEMENT...
Storm spotter groups and emergency management personnel across
central and southern Oklahoma, as well as western-north Texas,
should prepare for severe weather operations this afternoon
through Friday morning.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday...

.Fire Weather...
Areas of near-critical fire weather conditions are expected across
far western Oklahoma and western-north Texas on Friday and
Saturday afternoon.

Get graphics and more details at weather.gov/norman...and follow
our weather forecast office on Twitter and Facebook.

In the hours before

Special weather statement, Mar 23, 5:25 PM CDT, 46 minutes before
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Special weather statement, Mar 23, 5:27 PM CDT, 44 minutes before
Special Weather Statement
National Weather Service Norman OK
527 PM CDT Thu Mar 23 2023

TXZ087-232300-
Knox TX-
527 PM CDT Thu Mar 23 2023

...A strong thunderstorm will impact portions of central Knox County
through 600 PM CDT...

At 527 PM CDT, Doppler radar was tracking a strong thunderstorm near
Benjamin, moving northeast at 30 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Benjamin, Gilliland and Vera.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3348 9985 3358 9992 3379 9971 3361 9949
TIME...MOT...LOC 2227Z 235DEG 24KT 3357 9979

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...50 MPH

..speg.
Special weather statement, Mar 23, 5:41 PM CDT, 30 minutes before
Special Weather Statement
National Weather Service Norman OK
541 PM CDT Thu Mar 23 2023

OKZ027-038-039-232315-
Grady OK-Stephens OK-Comanche OK-
541 PM CDT Thu Mar 23 2023

...A strong thunderstorm will impact portions of northeastern
Comanche, southern Grady and northwestern Stephens Counties through
615 PM CDT...

At 540 PM CDT, Doppler radar was tracking a strong thunderstorm near
Sterling, moving northeast at 45 mph.

HAZARD...Nickel size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to outdoor objects is possible.

Locations impacted include...
Chickasha, Rush Springs, Sterling, Alex, Bradley, Agawam, Central
High, Ninnekah and Acme.

This includes Interstate 44 between mile markers 77 and 85.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3468 9825 3509 9789 3489 9767 3485 9767
      3458 9816
TIME...MOT...LOC 2240Z 225DEG 39KT 3470 9813

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...<30 MPH

Ware
Local storm report, Mar 23, 6:07 PM CDT, 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
607 PM CDT THU MAR 23 2023

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0602 PM     FLOOD            LINDSAY                 34.84N 97.61W
03/23/2023                   GARVIN             OK   BROADCAST MEDIA

&&

SE
Special weather statement, Mar 23, 6:08 PM CDT, 3 minutes before
Special Weather Statement
National Weather Service Norman OK
608 PM CDT Thu Mar 23 2023

OKZ027-028-232345-
Grady OK-McClain OK-
608 PM CDT Thu Mar 23 2023

...A strong thunderstorm will impact portions of southern Grady and
west central McClain Counties through 645 PM CDT...

At 608 PM CDT, Doppler radar was tracking a strong thunderstorm 4
miles northeast of Agawam, moving northeast at 45 mph.

HAZARD...Penny size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to outdoor objects is possible.

Locations impacted include...
Newcastle, Blanchard, Purcell, Goldsby, Dibble, Washington, Cole,
Alex, Bradley, Agawam, Criner, Middleberg, Tabler and Ninnekah.

This includes the following highways...
 Interstate 35 between mile markers 95 and 103.
 Interstate 44 between mile markers 102 and 105.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3478 9785 3491 9801 3528 9763 3505 9736
TIME...MOT...LOC 2308Z 224DEG 38KT 3490 9787

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...<30 MPH

Ware
Special weather statement, Mar 23, 6:10 PM CDT, 1 minute before
Special Weather Statement
National Weather Service Norman OK
610 PM CDT Thu Mar 23 2023

OKZ026-029>031-232345-
Pottawatomie OK-Cleveland OK-Seminole OK-Lincoln OK-
610 PM CDT Thu Mar 23 2023

...A strong thunderstorm will impact portions of west central
Seminole, south central Lincoln, southeastern Cleveland and
Pottawatomie Counties through 645 PM CDT...

At 610 PM CDT, Doppler radar was tracking a strong thunderstorm near
Etowah, moving northeast at 45 mph.

HAZARD...Half inch hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to outdoor objects is possible.

Locations impacted include...
Southeastern Norman, Shawnee, Seminole, Tecumseh, Noble,
Slaughterville, McLoud, Pink, Meeker, Earlsboro, Tribbey, Johnson,
Etowah, Brooksville, Macomb, Dale, Lake Thunderbird, Bethel Acres,
Little Axe and Aydelotte.

This includes Interstate 40 between mile markers 175 and 194.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3496 9722 3514 9737 3557 9693 3526 9668
TIME...MOT...LOC 2310Z 224DEG 38KT 3510 9720

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...<30 MPH

Ware

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 23, 1:57 PM CDTRiver Flood AdvisoryOUNPottawatomie, Seminole12 hr
Mar 23, 2:02 PM CDTSpecial Weather StatementOUNTillman28 min
Mar 23, 2:21 PM CDTSpecial Weather StatementOUNGarvin24 min
Mar 23, 2:29 PM CDTSpecial Weather StatementOUNTillman31 min
Mar 23, 2:37 PM CDTSpecial Weather StatementOUNCleveland38 min
Mar 23, 2:43 PM CDTSpecial Weather StatementOUNPottawatomie32 min
Mar 23, 3:13 PM CDTSpecial Weather StatementOUNSeminole32 min
Mar 23, 3:21 PM CDTSevere Thunderstorm WarningOUNHughes, Seminole20 min
Mar 23, 3:23 PM CDTSpecial Weather StatementOUNLogan37 min
Mar 23, 3:34 PM CDTSevere Thunderstorm WarningOUNTillman41 min
Mar 23, 3:45 PM CDTSevere Thunderstorm WarningOUNLincoln, Logan, Noble, Payne45 min
Mar 23, 3:56 PM CDTSpecial Weather StatementOUNCleveland34 min
Mar 23, 4:00 PM CDTAreal Flood AdvisoryOUNCleveland3 hr
Mar 23, 4:15 PM CDTSevere Thunderstorm WarningOUNComanche, Cotton, Tillman45 min
Mar 23, 4:30 PM CDTSpecial Weather StatementOUNCleveland, Pottawatomie30 min
Mar 23, 4:31 PM CDTSpecial Weather StatementOUNLincoln29 min
Mar 23, 4:48 PM CDTAreal Flood AdvisoryOUNCleveland, Pottawatomie3 hr
Mar 23, 5:00 PM CDTSpecial Weather StatementOUNGrady, Oklahoma30 min
Mar 23, 5:06 PM CDTSpecial Weather StatementOUNLincoln24 min
Mar 23, 5:25 PM CDTSpecial Weather StatementOUNCleveland, McClain35 min
Mar 23, 5:32 PM CDTAreal Flood AdvisoryOUNComanche3 hr
Mar 23, 5:36 PM CDTSevere Thunderstorm WarningOUNCleveland, Garvin, Grady, McClain, Pottawatomie39 min
Mar 23, 5:41 PM CDTSpecial Weather StatementOUNGrady34 min
Mar 23, 6:08 PM CDTSpecial Weather StatementOUNGrady, McClain37 min
Mar 23, 6:10 PM CDTAreal Flood AdvisoryOUNLincoln, Pottawatomie3 hr
Mar 23, 6:10 PM CDTSpecial Weather StatementOUNPottawatomie35 min
Mar 23, 6:42 PM CDTSevere Thunderstorm WarningOUNPottawatomie, Seminole28 min
Mar 23, 3:24 PM CDTSpecial Weather StatementOUNWilbarger36 min
Mar 23, 4:54 PM CDTSpecial Weather StatementOUNWilbarger36 min
Mar 23, 5:27 PM CDTSpecial Weather StatementOUNKnox33 min
Mar 23, 5:37 PM CDTSevere Thunderstorm WarningOUNKnox38 min
Mar 23, 6:17 PM CDTAreal Flood AdvisoryOUNBaylor, Foard, Knox, Wilbarger3 hr
Mar 23, 6:33 PM CDTSevere Thunderstorm Warning Considerable damage threatOUNBaylor, Wilbarger27 min
Mar 23, 6:58 PM CDTSevere Thunderstorm WarningOUNArcher, Baylor, Wichita, Wilbarger47 min

Nearby

Severe Thunderstorm Warnings in Texas, 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.