Alert archive / Texas / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 520, NWS Norman, OK

August 10, 2022Clay County, Texas

NWS Norman, OK issued this severe thunderstorm warning at Aug 10, 2022, 5:27 PM CDT for Clay County, Texas. 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: Aug 10, 2022, 5:27 PM CDT (22:27 UTC)
Expired: Aug 10, 2022, 6:15 PM CDT
In force: 48 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Clay County, TX

The radar

The Altus AFB radar (KFDR), 95 km from the middle of the area, began a volume at 22:28 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

Norman, OK (KOUN), launched 12:00Z, 10.5 hours before the alert went out and 176 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: 522 J/kg
Mixed-layer CIN: -162 J/kg
Mixed-layer LCL: 1296 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: 11 m²/s²
0-3 km storm-relative helicity: 32 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 Aug 10, 4:13 PM CDT, 1 hour 14 minutes earlier.

Area forecast discussion, Aug 10, 4:13 PM CDT, 1 hour 14 minutes before

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Hazardous weather outlook, Aug 10, 12:32 PM CDT, 4 hours 55 minutes before

Hazardous Weather Outlook
National Weather Service Norman OK
1232 PM CDT Wed Aug 10 2022

OKZ004>048-050>052-TXZ083>090-111200-
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-
1232 PM CDT Wed Aug 10 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...
Widely scattered showers and thunderstorms are possible through
tonight, mainly across southern Oklahoma and western north Texas.
Strong gusty winds and locally heavy rain are possible with
the stronger storms.

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

.Heat...
Hot and dry conditions will return with triple digit temperatures
likely this weekend into early next week.

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

In the hours before

Local storm report, Aug 10, 3:35 PM CDT, 1 hour 52 minutes before

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Special weather statement, Aug 10, 3:59 PM CDT, 1 hour 28 minutes before

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Special weather statement, Aug 10, 4:14 PM CDT, 1 hour 13 minutes before

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Special weather statement, Aug 10, 4:21 PM CDT, 1 hour 6 minutes before

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Special weather statement, Aug 10, 4:44 PM CDT, 43 minutes before

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Special weather statement, Aug 10, 5:14 PM CDT, 13 minutes before

Special Weather Statement
National Weather Service Norman OK
514 PM CDT Wed Aug 10 2022

TXZ090-102300-
Clay TX-
514 PM CDT Wed Aug 10 2022

...A strong thunderstorm will impact portions of central Clay County
through 600 PM CDT...

At 513 PM CDT, Doppler radar was tracking a strong thunderstorm 5
miles west of Terral, moving southwest at 10 mph.

HAZARD...Wind gusts of 50 to 55 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...
Henrietta.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3364 9798 3385 9835 3399 9807 3389 9797
TIME...MOT...LOC 2213Z 054DEG 8KT 3388 9803

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...55 MPH

11

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 9, 7:12 PM CDT	Areal Flood Advisory	OUN	Caddo, Comanche, Grady	3 hr
Aug 9, 7:49 PM CDT	Special Weather Statement	OUN	Grady	26 min
Aug 9, 8:02 PM CDT	Special Weather Statement	OUN	Tillman	28 min
Aug 9, 8:10 PM CDT	Special Weather Statement	OUN	Stephens	35 min
Aug 9, 8:36 PM CDT	Special Weather Statement	OUN	Stephens	24 min
Aug 9, 8:39 PM CDT	Special Weather Statement	OUN	Lincoln	36 min
Aug 9, 9:02 PM CDT	Severe Thunderstorm Warning	OUN	Lincoln	43 min
Aug 9, 9:08 PM CDT	Special Weather Statement	OUN	Payne	37 min
Aug 9, 9:42 PM CDT	Special Weather Statement	OUN	Lincoln	33 min
Aug 9, 11:22 PM CDT	Special Weather Statement	OUN	Seminole	23 min
Aug 10, 1:40 PM CDT	Special Weather Statement	OUN	Comanche	35 min
Aug 10, 3:59 PM CDT	Special Weather Statement	OUN	Love	46 min
Aug 10, 4:14 PM CDT	Special Weather Statement	OUN	Jefferson	31 min
Aug 10, 5:42 PM CDT	Special Weather Statement	OUN	Jefferson	33 min
Aug 10, 5:52 PM CDT	Special Weather Statement	OUN	Jackson	38 min
Aug 10, 6:05 PM CDT	Special Weather Statement	OUN	Carter	25 min
Aug 10, 6:10 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Jefferson, Stephens	50 min
Aug 10, 6:15 PM CDT	Special Weather Statement	OUN	Cotton	30 min
Aug 10, 6:20 PM CDT	Severe Thunderstorm Warning	OUN	Cotton	40 min
Aug 10, 6:34 PM CDT	Severe Thunderstorm Warning	OUN	Jackson	41 min
Aug 10, 2:37 PM CDT	Special Weather Statement	OUN	Wichita	23 min
Aug 10, 4:21 PM CDT	Special Weather Statement	OUN	Archer	24 min
Aug 10, 4:44 PM CDT	Special Weather Statement	OUN	Clay	46 min
Aug 10, 5:14 PM CDT	Special Weather Statement	OUN	Clay	46 min

Nearby

Severe Thunderstorm Warnings in Texas, 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.