Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 90, NWS Norman, OK

April 14, 2021Baylor County, Texas

NWS Norman, OK issued this severe thunderstorm warning at Apr 14, 2021, 1:56 PM CDT for Baylor County, Texas. It was in force for 24 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, 1:56 PM CDT (18:56 UTC)
Expired
Apr 14, 2021, 2:20 PM CDT
In force
24 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), 95 km from the middle of the area, began a volume at 18:58 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, 6.9 hours before the alert went out and 205 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°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 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.

310 
WUUS54 KOUN 141856
SVROUN
TXC023-141930-
/O.NEW.KOUN.SV.W.0090.210414T1856Z-210414T1930Z/

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

The National Weather Service in Norman has issued a

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

* Until 230 PM CDT.

* At 155 PM CDT, a severe thunderstorm was located near Bomarton,
  moving east at 30 mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is possible.

* Locations impacted include...
  Seymour, Mabelle, Bomarton and Westover. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3354 9947 3358 9947 3373 9909 3350 9898
      3347 9943
TIME...MOT...LOC 1855Z 247DEG 25KT 3353 9941 

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

BRB
2 follow-up statements
760 
WWUS54 KOUN 141908
SVSOUN

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

TXC023-141930-
/O.CON.KOUN.SV.W.0090.000000T0000Z-210414T1930Z/
Baylor TX-
208 PM CDT Wed Apr 14 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM CDT
FOR CENTRAL BAYLOR COUNTY...

At 208 PM CDT, a severe thunderstorm was located near Seymour, moving
east at 30 mph.

HAZARD...Up to quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is possible.

Locations impacted include...
Seymour and Mabelle. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3349 9936 3360 9940 3372 9909 3352 9899
TIME...MOT...LOC 1908Z 249DEG 25KT 3356 9931 

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

BRB
661 
WWUS54 KOUN 141920
SVSOUN

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

TXC023-141929-
/O.CAN.KOUN.SV.W.0090.000000T0000Z-210414T1930Z/
Baylor TX-
220 PM CDT Wed Apr 14 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL BAYLOR COUNTY IS
CANCELLED...
                 
The storm which prompted the warning has weakened below severe
limits, therefore the warning has been cancelled.  However small hail
is still possible with this thunderstorm.

LAT...LON 3349 9936 3360 9940 3372 9909 3352 9899
TIME...MOT...LOC 1917Z 247DEG 25KT 3359 9922 

$$

BRB

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, 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.