Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 80, NWS Norman, OK

April 23, 2022Caddo County, Canadian County, Grady County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Apr 23, 2022, 5:49 PM CDT for Caddo County, Canadian County, Grady County, Oklahoma. It was in force for 41 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 23, 2022, 5:49 PM CDT (22:49 UTC)
Expired: Apr 23, 2022, 6:30 PM CDT
In force: 41 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Caddo County, OK, Canadian County, OK, Grady County, OK

The radar

The Norman radar (KTLX), 74 km from the middle of the area, began a volume at 22:52 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 23, 5:24 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 10.8 hours before the alert went out and 62 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: 10 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 781 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 386 m²/s²
0-3 km storm-relative helicity: 585 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 Apr 23, 3:08 PM CDT, 2 hours 41 minutes earlier.

Area forecast discussion, Apr 23, 3:08 PM CDT, 2 hours 41 minutes before

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Hazardous weather outlook, Apr 23, 12:05 PM CDT, 5 hours 44 minutes before

Hazardous Weather Outlook
National Weather Service Norman OK
1205 PM CDT Sat Apr 23 2022

OKZ004>048-050>052-TXZ083>090-241715-
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-
1205 PM CDT Sat Apr 23 2022

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

.DAY ONE...Through Tonight...

.Strong Winds...
Strong, gusty southerly winds with gusts up to 55 mph are likely
to continue through the day today across much of the western half
of Oklahoma and all of western north Texas. A Wind Advisory is in
effect for these areas through the day today.

.Thunderstorms...

Shower and thunderstorm activity will be possible late this
afternoon and tonight along and ahead of a dryline that is
expected to be near the I-35 and I-44 corridors this afternoon. A
few of these storms will likely become severe with the primary
hazards being large hail and damaging straight-line wind gusts.
However, a low tornado risk will also exist. Localized flooding
will also be possible.

.Fire Weather...
Critical to Extreme fire weather conditions are expected to
develop this afternoon across portions of western Oklahoma and
western north Texas. A Red Flag Warning is in effect for this
area.

.DAYS TWO THROUGH SEVEN...Sunday through Friday...

.Thunderstorms...
A few strong to marginally severe storms are possible Sunday
across parts of southern Oklahoma and western north Texas.

.Heavy Rainfall...
A stalled front will be focus for heavy rainfall across parts of
south central and southeast Oklahoma Sunday and Sunday night.
Rainfall amounts of 2 to 4 inches of rain are possible. A Flood
Watch is in effect.

.Fire Weather...
Occasional elevated fire weather conditions may occur across
western Oklahoma Sunday through Thursday afternoons.

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 23, 5:08 PM CDT, 41 minutes before

Special Weather Statement
National Weather Service Norman OK
508 PM CDT Sat Apr 23 2022

OKZ018-024-232245-
Kingfisher OK-Canadian OK-
508 PM CDT Sat Apr 23 2022

...A strong thunderstorm will impact portions of southeastern
Kingfisher and northwestern Canadian Counties through 545 PM CDT...

At 507 PM CDT, Doppler radar was tracking a strong thunderstorm near
Calumet, moving northeast at 45 mph.

HAZARD...Wind gusts of 40 mph and half inch 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...
Kingfisher, Okarche, Cashion, Calumet and Concho.

This includes Interstate 40 between mile markers 111 and 115.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3580 9767 3550 9815 3558 9829 3593 9800
TIME...MOT...LOC 2207Z 225DEG 39KT 3560 9816

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH

Mahale

Special weather statement, Apr 23, 5:11 PM CDT, 38 minutes before

Special Weather Statement
National Weather Service Norman OK
511 PM CDT Sat Apr 23 2022

OKZ022-023-035-232245-
Kiowa OK-Washita OK-Caddo OK-
511 PM CDT Sat Apr 23 2022

...A strong thunderstorm will impact portions of southeastern
Washita, west central Caddo and northeastern Kiowa Counties through
545 PM CDT...

At 511 PM CDT, Doppler radar was tracking a strong thunderstorm near
Cooperton, moving northeast at 45 mph.

HAZARD...Wind gusts of 40 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...
Carnegie, Mountain View and Cooperton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3526 9866 3506 9843 3479 9894 3489 9905
TIME...MOT...LOC 2211Z 226DEG 38KT 3488 9891

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...40 MPH

Mahale

Special weather statement, Apr 23, 5:44 PM CDT, 5 minutes before

Special Weather Statement
National Weather Service Norman OK
544 PM CDT Sat Apr 23 2022

OKZ023-024-027-035-232315-
Grady OK-Kiowa OK-Canadian OK-Caddo OK-
544 PM CDT Sat Apr 23 2022

...Strong thunderstorms will impact portions of northwestern Grady,
central Caddo, northeastern Kiowa and southwestern Canadian Counties
through 615 PM CDT...

At 544 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 3 miles southeast of Binger to 5 miles
southwest of Carnegie. Movement was northeast at 45 mph.

HAZARD...Wind gusts of 40 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...
El Reno, Carnegie, Union City, Minco, Binger, Fort Cobb, Gracemont,
Lookeba, Pocasset, Cogar, Fort Cobb Reservoir, Albert, Lake Chickasha
and Cedar Lake.

This includes Interstate 40 between mile markers 112 and 127.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3507 9874 3512 9867 3512 9863 3511 9862
      3517 9862 3564 9804 3549 9790 3520 9795
      3496 9875
TIME...MOT...LOC 2244Z 229DEG 38KT 3528 9830 3503 9866

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...40 MPH

Mahale

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 23, 2:19 AM CDT	Flood Watch	OUN	Atoka, Bryan, Carter, Cleveland, Coal, Comanche and 16 more	48 hr
Apr 23, 2:34 AM CDT	Red Flag Warning	OUN	Alfalfa, Beckham, Custer, Dewey, Ellis, Greer and 9 more	18 hr
Apr 23, 4:17 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Harper	43 min
Apr 23, 5:04 AM CDT	Special Weather Statement	OUN	Woodward	26 min
Apr 23, 5:08 PM CDT	Special Weather Statement	OUN	Canadian	37 min
Apr 23, 5:11 PM CDT	Special Weather Statement	OUN	Kiowa	34 min
Apr 23, 5:35 PM CDT	Severe Thunderstorm Warning	OUN	Garfield, Kingfisher, Logan	40 min
Apr 23, 5:44 PM CDT	Special Weather Statement	OUN	Caddo, Canadian	31 min
Apr 23, 6:00 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Grady	45 min
Apr 23, 6:10 PM CDT	Severe Thunderstorm Warning	OUN	Garfield, Kay, Logan, Noble	37 min
Apr 23, 6:14 PM CDT	Severe Thunderstorm Warning	OUN	Kingfisher, Logan, Noble, Payne	46 min
Apr 23, 6:21 PM CDT	Severe Thunderstorm Warning	OUN	Canadian, Kingfisher, Logan	39 min
Apr 23, 6:29 PM CDT	Special Weather Statement	OUN	Caddo	31 min
Apr 23, 6:31 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Caddo, Canadian, Grady	44 min
Apr 23, 6:37 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Comanche, Kiowa	38 min
Apr 23, 6:53 PM CDT	Special Weather Statement	OUN	Tillman	37 min
Apr 23, 6:58 PM CDT	Severe Thunderstorm Warning	OUN	Logan, Noble, Payne	47 min
Apr 23, 6:59 PM CDT	Tornado Warning	OUN	Logan, Payne	46 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2022 Every severe thunderstorm warning in 2022

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.