Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 89, NWS Norman, OK

April 1, 20245 counties in Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Apr 1, 2024, 2:57 PM CDT for 5 counties in Oklahoma. It was in force for 48 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: Apr 1, 2024, 2:57 PM CDT (19:57 UTC)
Expired: Apr 1, 2024, 3:45 PM CDT
In force: 48 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Damage threat: Considerable
Hail: 2.0 in
Wind: 60.0 mph

Counties Garfield County, OK, Kingfisher County, OK, Logan County, OK, Noble County, OK, Payne County, OK

The radar

The Vance AFB radar (KVNX), 89 km from the middle of the area, began a volume at 19:57 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 watch it was issued in

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

Issued	Product	Office	Lasted
Apr 1, 2:13 PM CDT	Tornado Watch	SPC	10 hr

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 8.0 hours before the alert went out and 103 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: 544 J/kg
Mixed-layer CIN: -300 J/kg
Mixed-layer LCL: 1003 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 142 m²/s²
0-3 km storm-relative helicity: 347 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 Apr 1, 1:12 PM CDT, 1 hour 45 minutes earlier.

Area forecast discussion, Apr 1, 1:12 PM CDT, 1 hour 45 minutes before

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Hazardous weather outlook, Apr 1, 12:40 PM CDT, 2 hours 17 minutes before

Hazardous Weather Outlook...UPDATED
National Weather Service Norman OK
1240 PM CDT Mon Apr 1 2024

OKZ004>048-050>052-TXZ083>090-021745-
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-
1240 PM CDT Mon Apr 1 2024

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

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

.Thunderstorms...
Late this afternoon and evening, severe thunderstorms will likely
develop, with the highest potential east of a line from Woodward
to Vernon, Texas. Very large hail up to the size of baseballs or
larger and damaging wind gusts up to 80 mph will be possible. In
addition, there is a medium chance for tornadoes, primarily east
of Interstates 35/44 this evening (between 5-10 PM). The severe
threat should end after 11 PM.

.SPOTTER AND EMERGENCY MANAGEMENT STATEMENT...
Storm spotter groups and emergency management personnel across
Oklahoma and north Texas should prepare for severe weather
operations from 2 PM to 11 PM.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday...

.Thunderstorms...
Thunderstorm chances return Saturday and Sunday to Oklahoma and
north Texas.

.Fire Weather...
Elevated to near critical fire weather conditions look to develop
over the weekend across far western Oklahoma/north Texas.

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, Apr 1, 1:37 PM CDT, 1 hour 20 minutes before

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Local storm report, Apr 1, 2:11 PM CDT, 46 minutes before

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Special weather statement, Apr 1, 2:19 PM CDT, 38 minutes before

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Special weather statement, Apr 1, 2:21 PM CDT, 36 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
Apr 1, 1:37 PM CDT	Special Weather Statement	OUN	Kingfisher	23 min
Apr 1, 1:57 PM CDT	Severe Thunderstorm Warning	OUN	Garfield, Kingfisher, Noble	48 min
Apr 1, 2:19 PM CDT	Special Weather Statement	OUN	Kay	26 min
Apr 1, 2:21 PM CDT	Special Weather Statement	OUN	Noble	24 min
Apr 1, 2:26 PM CDT	Severe Thunderstorm Warning	OUN	Kay, Noble	34 min
Apr 1, 2:29 PM CDT	Severe Thunderstorm Warning	OUN	Kingfisher, Logan	31 min
Apr 1, 2:45 PM CDT	Severe Thunderstorm Warning	OUN	Garfield, Kay, Noble	30 min
Apr 1, 3:13 PM CDT	Severe Thunderstorm Warning	OUN	Kay, Noble	32 min
Apr 1, 5:11 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Comanche, Jackson, Kiowa, Tillman	49 min
Apr 1, 5:16 PM CDT	Special Weather Statement	OUN	Stephens	29 min
Apr 1, 5:32 PM CDT	Special Weather Statement	OUN	Beckham, Roger Mills	43 min
Apr 1, 5:38 PM CDT	Special Weather Statement	OUN	Comanche	37 min
Apr 1, 5:38 PM CDT	Special Weather Statement	OUN	Kingfisher	37 min
Apr 1, 5:39 PM CDT	Special Weather Statement	OUN	McClain	36 min
Apr 1, 5:43 PM CDT	Severe Thunderstorm Warning	OUN	Kingfisher, Logan	32 min
Apr 1, 5:49 PM CDT	Severe Thunderstorm Warning	OUN	Kingfisher	26 min
Apr 1, 5:58 PM CDT	Special Weather Statement	OUN	Oklahoma	32 min
Apr 1, 6:00 PM CDT	Special Weather Statement	OUN	Kiowa	30 min
Apr 1, 6:02 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Garfield, Logan, Noble, Payne	43 min
Apr 1, 6:07 PM CDT	Special Weather Statement	OUN	Washita	23 min
Apr 1, 6:13 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Garfield, Kingfisher, Logan, Noble, Payne	47 min
Apr 1, 6:19 PM CDT	Special Weather Statement	OUN	Blaine	26 min
Apr 1, 6:23 PM CDT	Areal Flood Advisory	OUN	Garfield, Logan, Noble, Payne	112 min
Apr 1, 6:24 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Caddo, Canadian	51 min
Apr 1, 6:25 PM CDT	Special Weather Statement	OUN	Logan, Oklahoma	35 min
Apr 1, 6:30 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Canadian	30 min
Apr 1, 6:33 PM CDT	Tornado Warning	OUN	Noble, Payne	27 min
Apr 1, 6:35 PM CDT	Special Weather Statement	OUN	Johnston	25 min
Apr 1, 6:40 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Custer, Dewey, Washita	35 min
Apr 1, 6:42 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Logan, Noble, Payne	48 min
Apr 1, 6:51 PM CDT	Special Weather Statement	OUN	Kingfisher	24 min
Apr 1, 6:57 PM CDT	Special Weather Statement	OUN	Coal	33 min
Apr 1, 3:44 PM CDT	Special Weather Statement	OUN	Knox	31 min
Apr 1, 4:08 PM CDT	Severe Thunderstorm Warning	OUN	Foard, Knox	52 min
Apr 1, 4:40 PM CDT	Severe Thunderstorm Warning	OUN	Foard, Hardeman, Wilbarger	50 min
Apr 1, 4:57 PM CDT	Special Weather Statement	OUN	Archer	33 min
Apr 1, 5:29 PM CDT	Special Weather Statement	OUN	Archer, Clay	31 min
Apr 1, 5:59 PM CDT	Special Weather Statement	OUN	Clay	31 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2024 Every severe thunderstorm warning in 2024

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.