Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 79, NWS Fort Worth, TX

April 13, 2021Eastland County, Erath County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Apr 13, 2021, 2:46 AM CDT for Eastland County, Erath County, Texas. It was in force for 59 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, 2:46 AM CDT (07:46 UTC)
Expired
Apr 13, 2021, 3:45 AM CDT
In force
59 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon
Hail
2.0 in
Wind
50.0 mph

Counties Eastland County, TX, Erath County, TX

The radar

The Dyess AFB radar (KDYX), 80 km from the middle of the area, began a volume at 07:46 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, 7.8 hours before the alert went out and 116 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 2021-04-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1192 joules per kilogram.LCLLFCEL10008507005003002001001 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 2021-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 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
1192 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
1812 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
216 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.7

Open this sounding in Storm Lab

The text

As transmitted.

972 
WUUS54 KFWD 130746
SVRFWD
TXC133-143-130845-
/O.NEW.KFWD.SV.W.0079.210413T0746Z-210413T0845Z/

BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Fort Worth TX
246 AM CDT Tue Apr 13 2021

The National Weather Service in Fort Worth has issued a

* Severe Thunderstorm Warning for...
  Northwestern Erath County in north central Texas...
  Northeastern Eastland County in north central Texas...

* Until 345 AM CDT.

* At 246 AM CDT, a severe thunderstorm was located 7 miles southeast
  of Ranger, moving east at 20 mph.

  HAZARD...Two inch hail.

  SOURCE...Radar and trained spotter indicated.

  IMPACT...People and animals outdoors will be injured. Expect 
           damage to roofs, siding, windows, and vehicles.

* Locations impacted include...
  Huckabay and Morgan Mill. 

This includes Interstate 20 between mile markers 357 and 368.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection get inside a sturdy structure and stay away from
windows.

&&

LAT...LON 3236 9863 3251 9857 3251 9813 3223 9814
TIME...MOT...LOC 0746Z 280DEG 18KT 3241 9856 

HAIL...2.00IN
WIND...<50MPH
$$

92
1 follow-up statement
809 
WWUS54 KFWD 130814
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
314 AM CDT Tue Apr 13 2021

TXC133-130823-
/O.CAN.KFWD.SV.W.0079.000000T0000Z-210413T0845Z/
Eastland TX-
314 AM CDT Tue Apr 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN EASTLAND COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3248 9846 3248 9813 3223 9814 3232 9847
      3240 9848
TIME...MOT...LOC 0813Z 280DEG 18KT 3239 9840 

$$

TXC143-130845-
/O.CON.KFWD.SV.W.0079.000000T0000Z-210413T0845Z/
Erath TX-
314 AM CDT Tue Apr 13 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 AM CDT
FOR NORTHWESTERN ERATH COUNTY...

At 313 AM CDT, a severe thunderstorm was located near Huckabay, or 15
miles northwest of Stephenville, moving east at 20 mph.

HAZARD...Two inch hail.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect damage 
         to roofs, siding, windows, and vehicles.

Locations impacted include...
Huckabay and Morgan Mill. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection stay inside a sturdy structure and keep away from
windows.

&&

LAT...LON 3248 9846 3248 9813 3223 9814 3232 9847
      3240 9848
TIME...MOT...LOC 0813Z 280DEG 18KT 3239 9840 

HAIL...2.00IN
WIND...<50MPH
 
$$

92

The office that day

Everything else NWS Fort Worth, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 12, 10:27 PM CDTSpecial Weather StatementFWDStephens33 min
Apr 12, 10:32 PM CDTSevere Thunderstorm WarningFWDStephens, Young58 min
Apr 12, 11:04 PM CDTSpecial Weather StatementFWDPalo Pinto26 min
Apr 12, 11:32 PM CDTSevere Thunderstorm WarningFWDYoung58 min
Apr 12, 11:40 PM CDTSpecial Weather StatementFWDYoung35 min
Apr 13, 12:42 AM CDTSpecial Weather StatementFWDPalo Pinto33 min
Apr 13, 1:06 AM CDTSpecial Weather StatementFWDParker24 min
Apr 13, 1:08 AM CDTSpecial Weather StatementFWDYoung37 min
Apr 13, 1:55 AM CDTSpecial Weather StatementFWDJohnson35 min
Apr 13, 1:59 AM CDTSevere Thunderstorm WarningFWDEastland61 min
Apr 13, 2:40 AM CDTSpecial Weather StatementFWDTarrant35 min
Apr 13, 3:19 AM CDTSpecial Weather StatementFWDDallas26 min
Apr 13, 3:30 AM CDTSevere Thunderstorm WarningFWDDallas37 min
Apr 13, 3:43 AM CDTSevere Thunderstorm WarningFWDErath44 min
Apr 13, 4:11 AM CDTSevere Thunderstorm WarningFWDHood, Somervell43 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.