Alert archive / Texas / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 166, NWS Norman, OK

May 4, 2023Archer County, Clay County, Wichita County, Texas

NWS Norman, OK issued this severe thunderstorm warning at May 4, 2023, 6:05 PM CDT for Archer County, Clay County, Wichita County, Texas. It was in force for 40 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
May 4, 2023, 6:05 PM CDT (23:05 UTC)
Expired
May 4, 2023, 6:45 PM CDT
In force
40 min
Issued by
NWS Norman, OK
Area
Storm-based polygon
Hail
1.5 in
Wind
60.0 mph

Counties Archer County, TX, Clay County, TX, Wichita County, TX

The radar

The Altus AFB radar (KFDR), 75 km from the middle of the area, began a volume at 23:04 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
May 4, 2:54 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 11.1 hours before the alert went out and 158 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, Fort Worth, TX at 12:00Z on 2023-05-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 32 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, Fort Worth, TX at 12:00Z on 2023-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 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
32 J/kg
Mixed-layer CIN
-455 J/kg
Mixed-layer LCL
1236 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
19 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 May 4, 12:54 PM CDT, 5 hours 11 minutes earlier.

Area forecast discussion, May 4, 12:54 PM CDT, 5 hours 11 minutes before
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Hazardous weather outlook, May 4, 1:28 PM CDT, 4 hours 37 minutes before
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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In the hours before

Special weather statement, May 4, 4:03 PM CDT, 2 hours 2 minutes before
Special Weather Statement
National Weather Service Norman OK
403 PM CDT Thu May 4 2023

TXZ084-087-042130-
Foard TX-Knox TX-
403 PM CDT Thu May 4 2023

...A strong thunderstorm will impact portions of southwestern Foard
and northwestern Knox Counties through 430 PM CDT...

At 403 PM CDT, Doppler radar was tracking a strong thunderstorm 11
miles northwest of Truscott, moving northeast at 25 mph.

HAZARD...Wind gusts up to 50 mph and penny 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.

This storm will remain over mainly rural areas of southwestern Foard
and northwestern Knox Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3398 9984 3382 9974 3376 10000 3383 10000
      3384 10005 3389 10005
TIME...MOT...LOC 2103Z 240DEG 23KT 3383 9999

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 MPH

MDU
Special weather statement, May 4, 4:37 PM CDT, 1 hour 28 minutes before
Special Weather Statement
National Weather Service Norman OK
437 PM CDT Thu May 4 2023

TXZ088-042200-
Baylor TX-
437 PM CDT Thu May 4 2023

...A strong thunderstorm will impact portions of central Baylor
County through 500 PM CDT...

At 437 PM CDT, Doppler radar was tracking a strong thunderstorm near
Seymour, moving east at 30 mph.

HAZARD...Wind gusts up to 50 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...
Seymour, Mabelle, and southern Lake Kemp.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3356 9938 3369 9939 3375 9899 3352 9897
TIME...MOT...LOC 2137Z 265DEG 28KT 3361 9931

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...50 MPH

MDU
Local storm report, May 4, 4:56 PM CDT, 1 hour 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
456 PM CDT THU MAY 4 2023

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0455 PM     TSTM WND GST     3 NW SEYMOUR            33.62N 99.30W
05/04/2023  M63 MPH          BAYLOR             TX   MESONET

&&

SE

The office that day

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

IssuedProductOfficeCountiesLasted
May 4, 1:51 AM CDTSpecial Weather StatementOUNEllis, Harper, Woodward54 min
May 4, 5:10 AM CDTSpecial Weather StatementOUNGrady35 min
May 4, 10:42 AM CDTSpecial Weather StatementOUNOklahoma33 min
May 4, 11:20 AM CDTAreal Flood AdvisoryOUNOklahoma3 hr
May 4, 11:25 AM CDTSpecial Weather StatementOUNCotton35 min
May 4, 12:27 PM CDTFlood WatchOUNCaddo, Canadian, Cleveland, Comanche, Grady, Lincoln and 4 more9 min
May 4, 12:36 PM CDTFlood WatchOUNCaddo, Canadian, Cleveland, Comanche, Grady, Lincoln and 4 more5 hr
May 4, 12:41 PM CDTAreal Flood AdvisoryOUNCleveland3 hr
May 4, 1:01 PM CDTAreal Flood AdvisoryOUNCleveland, Oklahoma3 hr
May 4, 2:29 PM CDTAreal Flood AdvisoryOUNCanadian, Oklahoma3 hr
May 4, 4:03 PM CDTSpecial Weather StatementOUNFoard27 min
May 4, 4:07 PM CDTSevere Thunderstorm WarningOUNFoard, Knox40 min
May 4, 4:34 PM CDTSevere Thunderstorm Warning Considerable damage threatOUNBaylor, Foard, Wilbarger41 min
May 4, 4:37 PM CDTSpecial Weather StatementOUNBaylor23 min
May 4, 4:43 PM CDTSevere Thunderstorm WarningOUNArcher, Baylor47 min
May 4, 5:14 PM CDTSevere Thunderstorm Warning Considerable damage threatOUNArcher, Baylor46 min
May 4, 5:14 PM CDTSevere Thunderstorm WarningOUNWichita, Wilbarger46 min
May 4, 5:36 PM CDTSevere Thunderstorm WarningOUNArcher, Baylor39 min
May 4, 5:59 PM CDTSevere Thunderstorm WarningOUNArcher, Clay46 min
May 4, 6:15 PM CDTSevere Thunderstorm WarningOUNArcher, Clay45 min
May 4, 6:34 PM CDTSevere Thunderstorm Warning Considerable damage threatOUNArcher, Clay41 min
May 4, 6:55 PM CDTSevere Thunderstorm WarningOUNArcher, Clay50 min

Nearby

Severe Thunderstorm Warnings in Texas, 2023Every 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.