Alert archive / Texas / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 71, NWS Norman, OK
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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 23, 3:10 PM CDT | Severe Thunderstorm Watch | SPC | 8 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.
- 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
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
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>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
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>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
WareLocal 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
&&
SESpecial 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 23, 1:57 PM CDT | River Flood Advisory | OUN | Pottawatomie, Seminole | 12 hr |
| Mar 23, 2:02 PM CDT | Special Weather Statement | OUN | Tillman | 28 min |
| Mar 23, 2:21 PM CDT | Special Weather Statement | OUN | Garvin | 24 min |
| Mar 23, 2:29 PM CDT | Special Weather Statement | OUN | Tillman | 31 min |
| Mar 23, 2:37 PM CDT | Special Weather Statement | OUN | Cleveland | 38 min |
| Mar 23, 2:43 PM CDT | Special Weather Statement | OUN | Pottawatomie | 32 min |
| Mar 23, 3:13 PM CDT | Special Weather Statement | OUN | Seminole | 32 min |
| Mar 23, 3:21 PM CDT | Severe Thunderstorm Warning | OUN | Hughes, Seminole | 20 min |
| Mar 23, 3:23 PM CDT | Special Weather Statement | OUN | Logan | 37 min |
| Mar 23, 3:34 PM CDT | Severe Thunderstorm Warning | OUN | Tillman | 41 min |
| Mar 23, 3:45 PM CDT | Severe Thunderstorm Warning | OUN | Lincoln, Logan, Noble, Payne | 45 min |
| Mar 23, 3:56 PM CDT | Special Weather Statement | OUN | Cleveland | 34 min |
| Mar 23, 4:00 PM CDT | Areal Flood Advisory | OUN | Cleveland | 3 hr |
| Mar 23, 4:15 PM CDT | Severe Thunderstorm Warning | OUN | Comanche, Cotton, Tillman | 45 min |
| Mar 23, 4:30 PM CDT | Special Weather Statement | OUN | Cleveland, Pottawatomie | 30 min |
| Mar 23, 4:31 PM CDT | Special Weather Statement | OUN | Lincoln | 29 min |
| Mar 23, 4:48 PM CDT | Areal Flood Advisory | OUN | Cleveland, Pottawatomie | 3 hr |
| Mar 23, 5:00 PM CDT | Special Weather Statement | OUN | Grady, Oklahoma | 30 min |
| Mar 23, 5:06 PM CDT | Special Weather Statement | OUN | Lincoln | 24 min |
| Mar 23, 5:25 PM CDT | Special Weather Statement | OUN | Cleveland, McClain | 35 min |
| Mar 23, 5:32 PM CDT | Areal Flood Advisory | OUN | Comanche | 3 hr |
| Mar 23, 5:36 PM CDT | Severe Thunderstorm Warning | OUN | Cleveland, Garvin, Grady, McClain, Pottawatomie | 39 min |
| Mar 23, 5:41 PM CDT | Special Weather Statement | OUN | Grady | 34 min |
| Mar 23, 6:08 PM CDT | Special Weather Statement | OUN | Grady, McClain | 37 min |
| Mar 23, 6:10 PM CDT | Areal Flood Advisory | OUN | Lincoln, Pottawatomie | 3 hr |
| Mar 23, 6:10 PM CDT | Special Weather Statement | OUN | Pottawatomie | 35 min |
| Mar 23, 6:42 PM CDT | Severe Thunderstorm Warning | OUN | Pottawatomie, Seminole | 28 min |
| Mar 23, 3:24 PM CDT | Special Weather Statement | OUN | Wilbarger | 36 min |
| Mar 23, 4:54 PM CDT | Special Weather Statement | OUN | Wilbarger | 36 min |
| Mar 23, 5:27 PM CDT | Special Weather Statement | OUN | Knox | 33 min |
| Mar 23, 5:37 PM CDT | Severe Thunderstorm Warning | OUN | Knox | 38 min |
| Mar 23, 6:17 PM CDT | Areal Flood Advisory | OUN | Baylor, Foard, Knox, Wilbarger | 3 hr |
| Mar 23, 6:33 PM CDT | Severe Thunderstorm Warning | OUN | Baylor, Wilbarger | 27 min |
| Mar 23, 6:58 PM CDT | Severe Thunderstorm Warning | OUN | Archer, Baylor, Wichita, Wilbarger | 47 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.