Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 89, NWS Norman, OK

April 13, 2021Foard County, Wilbarger County, Texas

NWS Norman, OK issued this severe thunderstorm warning at Apr 13, 2021, 10:02 PM CDT for Foard County, Wilbarger County, Texas. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 13, 2021, 10:02 PM CDT (03:02 UTC)
Expired
Apr 13, 2021, 10:45 PM CDT
In force
43 min
Issued by
NWS Norman, OK
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Foard County, TX, Wilbarger County, TX

The radar

The Altus AFB radar (KFDR), 70 km from the middle of the area, began a volume at 03:02 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

Fort Worth, TX (KFWD), launched 00:00Z, 3.0 hours before the alert went out and 241 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 00:00Z on 2021-04-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 00:00Z on 2021-04-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1959 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
191 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

764 
WUUS54 KOUN 140302
SVROUN
TXC155-487-140345-
/O.NEW.KOUN.SV.W.0089.210414T0302Z-210414T0345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Norman OK
1002 PM CDT Tue Apr 13 2021

The National Weather Service in Norman has issued a

* Severe Thunderstorm Warning for...
  Southeastern Foard County in northern Texas...
  Southwestern Wilbarger County in northern Texas...

* Until 1045 PM CDT.

* At 1001 PM CDT, a severe thunderstorm was located 7 miles south of
  Thalia, moving northeast at 30 mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* Locations impacted include...
  Vernon, Thalia, Lockett and Rayland. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3407 9950 3407 9949 3408 9948 3409 9948
      3419 9936 3397 9917 3379 9957 3380 9958
      3378 9958 3380 9962 3380 9963 3381 9963
      3382 9965 3389 9970
TIME...MOT...LOC 0301Z 232DEG 28KT 3388 9959 

HAIL...1.00IN
WIND...<50MPH
 
$$

JP
2 follow-up statements
752 
WWUS54 KOUN 140319
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
1019 PM CDT Tue Apr 13 2021

TXC155-487-140345-
/O.CON.KOUN.SV.W.0089.000000T0000Z-210414T0345Z/
Foard TX-Wilbarger TX-
1019 PM CDT Tue Apr 13 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT
FOR SOUTHEASTERN FOARD AND SOUTHWESTERN WILBARGER COUNTIES...

At 1018 PM CDT, a severe thunderstorm was located 7 miles southeast
of Thalia, moving northeast at 30 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Vernon, Thalia, Lockett and Rayland. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3407 9950 3407 9949 3408 9948 3409 9948
      3419 9936 3397 9917 3379 9957 3380 9958
      3378 9958 3380 9962 3380 9963 3381 9963
      3382 9965 3389 9970
TIME...MOT...LOC 0318Z 238DEG 27KT 3392 9944 

HAIL...1.00IN
WIND...<50MPH
 
$$

JP
659 
WWUS54 KOUN 140342
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
1042 PM CDT Tue Apr 13 2021

TXC155-487-140352-
/O.EXP.KOUN.SV.W.0089.000000T0000Z-210414T0345Z/
Foard TX-Wilbarger TX-
1042 PM CDT Tue Apr 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN FOARD AND
SOUTHWESTERN WILBARGER COUNTIES WILL EXPIRE AT 1045 PM CDT...
                 
The storm which prompted the warning has weakened below severe
limits, therefore the warning will be allowed to expire.

LAT...LON 3407 9950 3407 9949 3408 9948 3409 9948
      3419 9936 3397 9917 3379 9957 3380 9958
      3378 9958 3380 9962 3380 9963 3381 9963
      3382 9965 3389 9970
TIME...MOT...LOC 0342Z 232DEG 28KT 3403 9928 

$$

JP

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 13, 7:07 PM CDTSevere Thunderstorm WarningOUNWichita, Wilbarger38 min
Apr 13, 7:33 PM CDTSpecial Weather StatementOUNWilbarger27 min
Apr 13, 7:41 PM CDTSevere Thunderstorm WarningOUNFoard, Wilbarger22 min
Apr 13, 7:45 PM CDTSevere Thunderstorm WarningOUNWichita45 min
Apr 13, 10:44 PM CDTSpecial Weather StatementOUNWilbarger31 min
Apr 14, 12:41 PM CDTSpecial Weather StatementOUNKnox34 min
Apr 14, 1:51 PM CDTSpecial Weather StatementOUNBaylor24 min
Apr 14, 1:56 PM CDTSevere Thunderstorm WarningOUNBaylor24 min
Apr 14, 2:22 PM CDTSpecial Weather StatementOUNBaylor23 min
Apr 14, 2:51 PM CDTSpecial Weather StatementOUNArcher24 min
Apr 14, 3:16 PM CDTSpecial Weather StatementOUNArcher29 min
Apr 14, 3:49 PM CDTSpecial Weather StatementOUNClay26 min
Apr 14, 5:49 PM CDTSevere Thunderstorm WarningOUNBaylor41 min
Apr 14, 6:21 PM CDTSpecial Weather StatementOUNArcher24 min

Nearby

Severe Thunderstorm Warnings in Texas, 2021Every severe thunderstorm warning in 2021

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.