Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 91, NWS Norman, OK

April 14, 2021Baylor County, Texas

NWS Norman, OK issued this severe thunderstorm warning at Apr 14, 2021, 5:49 PM CDT for Baylor County, Texas. 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 outline as issued.

The facts

Issued
Apr 14, 2021, 5:49 PM CDT (22:49 UTC)
Expired
Apr 14, 2021, 6:30 PM CDT
In force
41 min
Issued by
NWS Norman, OK
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

County Baylor County, TX

The radar

The Altus AFB radar (KFDR), 92 km from the middle of the area, began a volume at 22:50 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 12:00Z, 10.8 hours before the alert went out and 187 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 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 12:00Z on 2021-04-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 219 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
821 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
219 m²/s²
0-3 km storm-relative helicity
290 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

As transmitted.

440 
WUUS54 KOUN 142249
SVROUN
TXC023-142330-
/O.NEW.KOUN.SV.W.0091.210414T2249Z-210414T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Norman OK
549 PM CDT Wed Apr 14 2021

The National Weather Service in Norman has issued a

* Severe Thunderstorm Warning for...
  Southeastern Baylor County in northern Texas...

* Until 630 PM CDT.

* At 549 PM CDT, a severe thunderstorm was located 6 miles east of
  Millers Creek Reservoir, moving northeast at 40 mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* Locations impacted include...
  Westover.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3340 9940 3366 9909 3367 9895 3366 9895
      3366 9896 3349 9895 3340 9915
TIME...MOT...LOC 2249Z 227DEG 36KT 3337 9930 

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

Mahale
3 follow-up statements
147 
WWUS54 KOUN 142305
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
605 PM CDT Wed Apr 14 2021

TXC023-142330-
/O.CON.KOUN.SV.W.0091.000000T0000Z-210414T2330Z/
Baylor TX-
605 PM CDT Wed Apr 14 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR SOUTHEASTERN BAYLOR COUNTY...

At 605 PM CDT, a severe thunderstorm was located 7 miles southeast of
Seymour, moving northeast at 40 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Westover.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3353 9924 3366 9909 3367 9895 3366 9895
      3366 9896 3349 9895 3342 9911 3344 9919
      3350 9922
TIME...MOT...LOC 2305Z 225DEG 37KT 3351 9916 

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

Mahale
620 
WWUS54 KOUN 142312
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
612 PM CDT Wed Apr 14 2021

TXC023-142330-
/O.CON.KOUN.SV.W.0091.000000T0000Z-210414T2330Z/
Baylor TX-
612 PM CDT Wed Apr 14 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR SOUTHEASTERN BAYLOR COUNTY...

At 611 PM CDT, a severe thunderstorm was located 6 miles northwest of
Westover, moving northeast at 40 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

This severe thunderstorm will remain over mainly rural areas of
southeastern Baylor County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3358 9918 3366 9909 3367 9895 3366 9895
      3366 9896 3353 9895 3349 9907 3350 9914
      3353 9918
TIME...MOT...LOC 2311Z 225DEG 37KT 3356 9910 

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

Mahale
440 
WWUS54 KOUN 142330
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
630 PM CDT Wed Apr 14 2021

TXC023-142340-
/O.EXP.KOUN.SV.W.0091.000000T0000Z-210414T2330Z/
Baylor TX-
630 PM CDT Wed Apr 14 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BAYLOR COUNTY HAS
EXPIRED...
        
The storm which prompted the warning has weakened and moved out of 
Baylor County. Therefore, the warning has been allowed to expire.

LAT...LON 3358 9918 3366 9909 3367 9895 3366 9895
      3366 9896 3353 9895 3349 9907 3350 9914
      3353 9918
TIME...MOT...LOC 2330Z 227DEG 36KT 3369 9894 

$$

..speg.

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, 10:02 PM CDTSevere Thunderstorm WarningOUNFoard, Wilbarger43 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, 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.