Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 415, NWS Norman, OK

June 8, 2022Custer County, Washita County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Jun 8, 2022, 4:41 AM CDT for Custer County, Washita County, Oklahoma. 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
Jun 8, 2022, 4:41 AM CDT (09:41 UTC)
Expired
Jun 8, 2022, 5:30 AM CDT
In force
49 min
Issued by
NWS Norman, OK
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Custer County, OK, Washita County, OK

The radar

The Altus AFB radar (KFDR), 123 km from the middle of the area, began a volume at 09:40 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
Jun 8, 4:39 AM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 9.7 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, Amarillo Airport, TX at 00:00Z on 2022-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2623 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, Amarillo Airport, TX at 00:00Z on 2022-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -22 square meters per square second.19395878Sfc1 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
2623 J/kg
Mixed-layer CIN
-81 J/kg
Mixed-layer LCL
1435 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
-22 m²/s²
0-3 km storm-relative helicity
86 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.2

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 Jun 8, 2:56 AM CDT, 1 hour 45 minutes earlier.

Area forecast discussion, Jun 8, 2:56 AM CDT, 1 hour 45 minutes before
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Hazardous weather outlook, Jun 8, 3:56 AM CDT, 45 minutes before
Hazardous Weather Outlook
National Weather Service Norman OK
356 AM CDT Wed Jun 8 2022

OKZ004>048-050>052-TXZ083>090-090900-
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-
356 AM CDT Wed Jun 8 2022

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

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

.Thunderstorms...
Thunderstorms will be possible across portions of Oklahoma and
western north Texas through the morning hours. Some of these
storms could become strong to severe with hail and strong wind
gusts. Locally heavy rain will also be possible.

There is a low chance for thunderstorms across portions of the
area again this evening into early Thursday. If storms do develop,
some could become strong to marginally severe with hail up to the
size of quarters and wind gusts up to 60 mph.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday...

.Thunderstorms...
The chances for thunderstorms will be higher Thursday night into
Friday for portions of Oklahoma. Thunderstorms are expected to
develop to the north and northwest of the area then move into and
across parts of the area as a thunderstorm complex Thursday night
into early Friday. Strong to severe storms will be possible with
hail and damaging winds. Locally heavy rain could also be
possible in some areas.

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 8, 4:37 AM CDT, 4 minutes before
Special Weather Statement
National Weather Service Norman OK
437 AM CDT Wed Jun 8 2022

OKZ016-022-081000-
Washita OK-Custer OK-
437 AM CDT Wed Jun 8 2022

...A strong thunderstorm will impact portions of north central
Washita and southwestern Custer Counties through 500 AM CDT...

At 436 AM CDT, Doppler radar was tracking a strong thunderstorm 4
miles northwest of Foss Reservoir, moving southeast at 35 mph.

HAZARD...Nickel size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Clinton, Arapaho, Butler, Foss, Foss Reservoir and Stafford.

This includes Interstate 40 between mile markers 51 and 65.

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 3574 9937 3563 9884 3550 9897 3539 9916
      3551 9933 3554 9936 3555 9936 3555 9938
TIME...MOT...LOC 0936Z 294DEG 30KT 3561 9929

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

Mahale

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 8:57 PM CDTRiver Flood AdvisoryOUNAtoka35 hr
Jun 8, 4:37 AM CDTSpecial Weather StatementOUNCuster23 min
Jun 8, 5:05 AM CDTSpecial Weather StatementOUNRoger Mills25 min
Jun 8, 5:10 AM CDTSevere Thunderstorm WarningOUNEllis, Roger Mills50 min
Jun 8, 5:18 AM CDTSevere Thunderstorm WarningOUNCuster, Washita42 min
Jun 8, 5:37 AM CDTSevere Thunderstorm WarningOUNEllis, Roger Mills53 min
Jun 8, 5:38 AM CDTAreal Flood AdvisoryOUNCuster, Washita3 hr
Jun 8, 5:49 AM CDTSevere Thunderstorm WarningOUNCuster, Dewey, Ellis, Roger Mills41 min
Jun 8, 5:59 AM CDTSevere Thunderstorm Warning Considerable damage threatOUNRoger Mills46 min
Jun 8, 6:05 AM CDTAreal Flood AdvisoryOUNCuster, Ellis, Roger Mills3 hr
Jun 8, 6:12 AM CDTSevere Thunderstorm WarningOUNCuster48 min
Jun 8, 6:22 AM CDTSevere Thunderstorm Warning Considerable damage threatOUNBeckham, Custer, Roger Mills, Washita38 min
Jun 8, 6:44 AM CDTFlash Flood WarningOUNCuster, Roger Mills4 hr
Jun 8, 6:49 AM CDTSevere Thunderstorm Warning Considerable damage threatOUNBeckham, Custer, Roger Mills, Washita41 min
Jun 8, 7:06 AM CDTFlash Flood WarningOUNCaddo, Custer, Washita3 hr
Jun 8, 7:10 AM CDTSevere Thunderstorm Warning Considerable damage threatOUNBlaine, Caddo, Custer, Washita50 min
Jun 8, 7:27 AM CDTSevere Thunderstorm WarningOUNBeckham, Greer, Harmon, Kiowa, Washita48 min
Jun 8, 7:39 AM CDTFlood WatchOUNAtoka, Bryan, Caddo, Canadian, Cleveland, Coal and 10 more5 hr
Jun 8, 7:41 AM CDTSevere Thunderstorm Warning Considerable damage threatOUNCaddo, Canadian, Grady, Kiowa, Washita49 min
Jun 8, 8:00 AM CDTAreal Flood AdvisoryOUNCaddo, Canadian, Grady3 hr
Jun 8, 8:04 AM CDTSevere Thunderstorm WarningOUNCaddo, Comanche, Grady41 min
Jun 8, 8:08 AM CDTSevere Thunderstorm WarningOUNBeckham, Caddo, Comanche, Greer, Harmon, Jackson and 3 more67 min
Jun 8, 8:13 AM CDTSevere Thunderstorm WarningOUNCaddo, Canadian, Grady47 min
Jun 8, 8:14 AM CDTSpecial Weather StatementOUNCleveland31 min
Jun 8, 8:18 AM CDTAreal Flood AdvisoryOUNCanadian, Cleveland, Comanche, Garvin, Grady, McClain and 4 more3 hr
Jun 8, 8:26 AM CDTSpecial Weather StatementOUNMcClain34 min
Jun 8, 8:30 AM CDTFlash Flood WarningOUNCaddo, Canadian, Cleveland, Grady, McClain3 hr
Jun 8, 8:31 AM CDTSevere Thunderstorm WarningOUNCleveland, Grady, McClain, Oklahoma44 min
Jun 8, 8:39 AM CDTSevere Thunderstorm WarningOUNCaddo, Comanche, Cotton, Greer, Harmon, Jackson and 3 more66 min
Jun 8, 8:43 AM CDTTornado WarningOUNGrady17 min
Jun 8, 8:50 AM CDTSevere Thunderstorm WarningOUNGarvin, Grady, McClain40 min
Jun 8, 8:58 AM CDTSevere Thunderstorm Warning Considerable damage threatOUNCaddo, Cleveland, Comanche, Garvin, Grady, McClain and 1 more47 min
Jun 8, 9:00 AM CDTFlash Flood Warning Considerable damage threatOUNCanadian, Cleveland, Grady, McClain, Oklahoma3 hr
Jun 8, 9:01 AM CDTRiver Flood WarningOUNCuster, Washita29 hr
Jun 8, 9:09 AM CDTSevere Thunderstorm WarningOUNComanche, Cotton, Jefferson, Stephens, Tillman66 min
Jun 8, 9:19 AM CDTSevere Thunderstorm WarningOUNGarvin, Grady, Murray, Stephens41 min
Jun 8, 9:30 AM CDTAreal Flood AdvisoryOUNComanche3 hr
Jun 8, 9:44 AM CDTFlash Flood WarningOUNGarvin, Grady, McClain, Stephens3 hr
Jun 8, 9:44 AM CDTSpecial Weather StatementOUNPottawatomie, Seminole31 min
Jun 8, 9:58 AM CDTSevere Thunderstorm WarningOUNCarter, Garvin, Jefferson, Johnston, Love, Marshall and 3 more62 min
Jun 8, 10:01 AM CDTFlash Flood WarningOUNCleveland, Garvin, McClain, Pontotoc, Pottawatomie3 hr
Jun 8, 10:06 AM CDTSevere Thunderstorm WarningOUNHughes, McClain, Pontotoc, Pottawatomie, Seminole39 min
Jun 8, 10:17 AM CDTAreal Flood WarningOUNBlaine, Caddo, Custer, Roger Mills, Washita4 hr
Jun 8, 10:21 AM CDTFlash Flood WarningOUNCoal, Hughes, Pontotoc, Pottawatomie, Seminole3 hr
Jun 8, 10:37 AM CDTFlash Flood WarningOUNHughes, Pontotoc, Pottawatomie, Seminole3 hr
Jun 8, 10:40 AM CDTSevere Thunderstorm WarningOUNBryan, Carter, Johnston, Love, Marshall65 min
Jun 8, 10:44 AM CDTSpecial Weather StatementOUNHughes46 min
Jun 8, 10:53 AM CDTAreal Flood AdvisoryOUNCarter, Johnston, Marshall, Murray3 hr
Jun 8, 10:56 AM CDTSevere Thunderstorm WarningOUNHughes34 min
Jun 8, 10:58 AM CDTFlash Flood WarningOUNAtoka, Bryan, Coal, Hughes, Johnston3 hr
Jun 8, 11:31 AM CDTAreal Flood WarningOUNBlaine, Caddo, Canadian, Grady3 hr
Jun 8, 12:02 PM CDTAreal Flood WarningOUNCleveland, Grady, McClain, Pottawatomie3 hr
Jun 8, 12:57 PM CDTAreal Flood WarningOUNGarvin, Pontotoc3 hr
Jun 8, 1:48 PM CDTAreal Flood WarningOUNAtoka, Coal3 hr
Jun 8, 2:17 PM CDTRiver Flood AdvisoryOUNBlaine, Caddo, Canadian, Custer52 min
Jun 8, 2:18 PM CDTRiver Flood WarningOUNPottawatomie, Seminole7 hr
Jun 8, 3:09 PM CDTRiver Flood WarningOUNBlaine, Caddo, Canadian, Custer11 hr
Jun 8, 10:04 AM CDTSevere Thunderstorm Warning Considerable damage threatOUNArcher, Baylor, Clay, Wichita42 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2022Every 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.