Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 461, NWS Norman, OK

June 23, 20236 counties in Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Jun 23, 2023, 10:37 AM CDT for 6 counties in Oklahoma. It was in force for 38 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: Jun 23, 2023, 10:37 AM CDT (15:37 UTC)
Expired: Jun 23, 2023, 11:15 AM CDT
In force: 38 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Beckham County, OK, Custer County, OK, Greer County, OK, Kiowa County, OK, Roger Mills County, OK, Washita County, OK

The radar

The Altus AFB radar (KFDR), 108 km from the middle of the area, began a volume at 15:37 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 3.6 hours before the alert went out and 216 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: 1822 J/kg
Mixed-layer CIN: -168 J/kg
Mixed-layer LCL: 1283 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 217 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 5.0

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 Jun 23, 6:01 AM CDT, 4 hours 36 minutes earlier.

Area forecast discussion, Jun 23, 6:01 AM CDT, 4 hours 36 minutes before

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Hazardous weather outlook, Jun 23, 9:54 AM CDT, 43 minutes before

Hazardous Weather Outlook
National Weather Service Norman OK
954 AM CDT Fri Jun 23 2023

OKZ004>048-050>052-TXZ083>090-241500-
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-
954 AM CDT Fri Jun 23 2023

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

.DAY ONE...Today and Tonight...

Strong to marginally severe thunderstorms ongoing across northwest
Oklahoma are expected to track southeastward towards central
Oklahoma over the next few hours as a secondary complex moves into
western Oklahoma from the Texas panhandle. These storms may produce
frequent lightning, hail up to the size of quarters, gusty winds
up to 50 mph, and potentially heavy rainfall.

Later this evening and into tonight, thunderstorms are forecast
to move east off the high terrain of west Texas into southwestern
Oklahoma and north Texas. Damaging wind gusts up to 80 mph and
large hail up to the size of golfballs are possible across these
regions from around 7 PM to 2 AM.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday...

.Thunderstorms...
Isolated thunderstorms may develop late Saturday afternoon across
portions of north Texas. If storms do develop, they could be
strong to severe with a threat of hail and damaging wind gusts. A
few thunderstorms will also be possible near central and
southeastern Oklahoma Sunday night.

.Heat...
Triple digit temperatures and heat indices are expected this
weekend, and after a short break will return Tuesday through
Thursday. An Excessive Heat Watch has been issued for Saturday
afternoon across portions of southern Oklahoma and north Texas.

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

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, Jun 23, 8:42 AM CDT, 1 hour 55 minutes before

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Special weather statement, Jun 23, 8:59 AM CDT, 1 hour 38 minutes before

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Special weather statement, Jun 23, 9:27 AM CDT, 1 hour 10 minutes before

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Special weather statement, Jun 23, 9:43 AM CDT, 54 minutes before

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Special weather statement, Jun 23, 10:12 AM CDT, 25 minutes before

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Special weather statement, Jun 23, 10:27 AM CDT, 10 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 22, 7:27 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Canadian, Cleveland, Grady, McClain, Oklahoma	48 min
Jun 22, 7:31 PM CDT	Special Weather Statement	OUN	Canadian	44 min
Jun 22, 8:07 PM CDT	Special Weather Statement	OUN	McClain	23 min
Jun 22, 8:26 PM CDT	Special Weather Statement	OUN	Cleveland, Oklahoma	34 min
Jun 23, 3:52 AM CDT	Excessive Heat Watch	OUN	Carter, Comanche, Cotton, Jefferson, Love, Stephens and 1 more	10 hr
Jun 23, 4:38 AM CDT	Special Weather Statement	OUN	Roger Mills	52 min
Jun 23, 5:54 AM CDT	Special Weather Statement	OUN	Kiowa	51 min
Jun 23, 5:59 AM CDT	Severe Thunderstorm Warning	OUN	Comanche, Kiowa, Tillman	46 min
Jun 23, 6:42 AM CDT	Special Weather Statement	OUN	Comanche	33 min
Jun 23, 7:45 AM CDT	Special Weather Statement	OUN	Ellis	45 min
Jun 23, 8:25 AM CDT	Severe Thunderstorm Warning	OUN	Ellis, Woodward	35 min
Jun 23, 8:36 AM CDT	Special Weather Statement	OUN	Woods	24 min
Jun 23, 8:59 AM CDT	Special Weather Statement	OUN	Ellis, Woodward	31 min
Jun 23, 9:27 AM CDT	Special Weather Statement	OUN	Dewey, Major	33 min
Jun 23, 9:43 AM CDT	Special Weather Statement	OUN	Beckham, Roger Mills	47 min
Jun 23, 10:12 AM CDT	Special Weather Statement	OUN	Blaine, Major	33 min
Jun 23, 10:27 AM CDT	Special Weather Statement	OUN	Beckham, Custer, Roger Mills, Washita	33 min
Jun 23, 11:11 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Blaine, Caddo, Canadian, Comanche, Custer, Greer and 4 more	49 min
Jun 23, 11:19 AM CDT	Special Weather Statement	OUN	Blaine, Custer, Dewey, Major	41 min
Jun 23, 11:34 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Blaine, Canadian, Custer, Dewey, Kingfisher	26 min
Jun 23, 11:40 AM CDT	Areal Flood Advisory	OUN	Beckham, Custer, Kiowa, Roger Mills, Washita	3 hr
Jun 23, 11:50 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Blaine, Caddo, Canadian, Comanche, Grady, Kingfisher and 2 more	40 min
Jun 23, 11:56 AM CDT	Severe Thunderstorm Warning	OUN	Cotton, Tillman	21 min
Jun 23, 12:04 PM CDT	Special Weather Statement	OUN	Custer, Dewey, Washita	26 min
Jun 23, 12:05 PM CDT	Areal Flood Advisory	OUN	Blaine, Caddo, Canadian, Comanche, Custer, Kingfisher and 2 more	3 hr
Jun 23, 12:11 PM CDT	Severe Thunderstorm Warning Destructive damage threat	OUN	Caddo, Canadian, Cleveland, Comanche, Grady, Kingfisher and 5 more	49 min
Jun 23, 12:32 PM CDT	Special Weather Statement	OUN	Jefferson, Stephens	28 min
Jun 23, 12:37 PM CDT	Special Weather Statement	OUN	Caddo	23 min
Jun 23, 12:43 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Carter, Cleveland, Garvin, Grady, Lincoln, Logan and 5 more	47 min
Jun 23, 12:45 PM CDT	Special Weather Statement	OUN	Blaine	30 min
Jun 23, 1:02 PM CDT	Special Weather Statement	OUN	Canadian, Grady	28 min
Jun 23, 1:04 PM CDT	Special Weather Statement	OUN	Caddo	41 min
Jun 23, 1:20 PM CDT	Special Weather Statement	OUN	Garvin, Lincoln, Murray, Pontotoc, Pottawatomie, Seminole	40 min
Jun 23, 1:28 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Garvin, Murray, Stephens	36 min
Jun 23, 1:32 PM CDT	Flash Flood Warning	OUN	Caddo, Kiowa, Washita	2 hr
Jun 23, 1:44 PM CDT	Special Weather Statement	OUN	Blaine, Canadian, Kingfisher, Logan, Major, Oklahoma	61 min
Jun 23, 1:45 PM CDT	Heat Advisory	OUN	Atoka, Bryan, Carter, Cleveland, Coal, Comanche and 19 more	31 hr
Jun 23, 1:57 PM CDT	Special Weather Statement	OUN	Hughes, Pontotoc, Pottawatomie, Seminole	33 min
Jun 23, 2:24 PM CDT	Severe Thunderstorm Warning	OUN	Atoka, Coal, Hughes, Johnston, Murray, Pontotoc and 1 more	32 min
Jun 23, 2:33 PM CDT	Areal Flood Advisory	OUN	Pontotoc	117 min
Jun 23, 2:34 PM CDT	Special Weather Statement	OUN	Carter, Love	26 min
Jun 23, 2:48 PM CDT	Special Weather Statement	OUN	Hughes	27 min
Jun 23, 2:58 PM CDT	Special Weather Statement	OUN	Atoka, Coal	32 min
Jun 23, 2:59 PM CDT	Areal Flood Advisory	OUN	Atoka, Coal, Johnston, Pontotoc	3 hr
Jun 23, 3:02 PM CDT	Special Weather Statement	OUN	Love	28 min
Jun 23, 3:03 PM CDT	Areal Flood Advisory	OUN	Carter, Love	3 hr
Jun 23, 3:07 PM CDT	Severe Thunderstorm Warning	OUN	Love	38 min
Jun 23, 3:14 PM CDT	Special Weather Statement	OUN	Hughes	31 min
Jun 23, 3:26 PM CDT	Special Weather Statement	OUN	Marshall	34 min
Jun 23, 3:29 PM CDT	Special Weather Statement	OUN	Atoka	31 min
Jun 22, 7:23 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Baylor, Foard, Knox, Wilbarger	52 min
Jun 22, 8:10 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Baylor, Knox	50 min
Jun 23, 6:36 AM CDT	Special Weather Statement	OUN	Hardeman	39 min
Jun 23, 6:56 AM CDT	Special Weather Statement	OUN	Baylor	34 min
Jun 23, 7:14 AM CDT	Special Weather Statement	OUN	Wilbarger	46 min
Jun 23, 7:27 AM CDT	Special Weather Statement	OUN	Baylor	48 min
Jun 23, 7:42 AM CDT	Special Weather Statement	OUN	Archer	33 min
Jun 23, 8:11 AM CDT	Special Weather Statement	OUN	Archer, Baylor, Wilbarger	34 min
Jun 23, 8:42 AM CDT	Special Weather Statement	OUN	Archer	33 min
Jun 23, 11:15 AM CDT	Severe Thunderstorm Warning	OUN	Archer, Wichita	30 min
Jun 23, 12:23 PM CDT	Special Weather Statement	OUN	Clay	37 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2023 Every 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.