Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 155, NWS Fort Worth, TX

May 10, 2021Erath County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at May 10, 2021, 5:26 PM CDT for Erath County, Texas. It was in force for 34 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 10, 2021, 5:26 PM CDT (22:26 UTC)
Expired
May 10, 2021, 6:00 PM CDT
In force
34 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon
Hail
1.25 in
Wind
50.0 mph

County Erath County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 84 km from the middle of the area, began a volume at 22:28 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.

What was reported inside it

TimeReportWhereRemark
May 10, 5:30 PM CDTHAIL 21 E Stephenville, TXDELAYED REPORT. IMAGE OF MEASURED 2 INCH HAIL.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 10.4 hours before the alert went out and 100 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 2021-05-10Temperature 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 2021-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 299 square meters per square second.1939587897Sfc1 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
675 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
299 m²/s²
0-3 km storm-relative helicity
381 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.2

Open this sounding in Storm Lab

The text

As transmitted.

904 
WUUS54 KFWD 102226
SVRFWD
TXC143-102300-
/O.NEW.KFWD.SV.W.0155.210510T2226Z-210510T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Fort Worth TX
526 PM CDT Mon May 10 2021

The National Weather Service in Fort Worth has issued a

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

* Until 600 PM CDT.

* At 526 PM CDT, a severe thunderstorm was located over Stephenville,
  moving northeast at 30 mph.

  HAZARD...Half dollar size hail.

  SOURCE...Trained weather spotters.

  IMPACT...Damage to vehicles is possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3241 9829 3251 9827 3251 9807 3226 9796
      3224 9795 3223 9795 3216 9791 3214 9810
      3216 9825 3218 9830 3225 9831
TIME...MOT...LOC 2226Z 241DEG 24KT 3225 9819 

HAIL...1.25IN
WIND...<50MPH
$$

25
2 follow-up statements
379 
WWUS54 KFWD 102241
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
541 PM CDT Mon May 10 2021

TXC143-102300-
/O.CON.KFWD.SV.W.0155.000000T0000Z-210510T2300Z/
Erath TX-
541 PM CDT Mon May 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR NORTHEASTERN ERATH COUNTY...

At 540 PM CDT, a severe thunderstorm was located just east of 
Stephenville, moving east at 20 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is possible.

LAT...LON 3241 9829 3251 9827 3251 9807 3226 9796
      3224 9795 3223 9795 3216 9791 3214 9810
      3216 9825 3218 9830 3225 9831
TIME...MOT...LOC 2240Z 249DEG 19KT 3227 9812 

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

25
833 
WWUS54 KFWD 102305
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
605 PM CDT Mon May 10 2021

TXC143-102314-
/O.EXP.KFWD.SV.W.0155.000000T0000Z-210510T2300Z/
Erath TX-
605 PM CDT Mon May 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ERATH COUNTY HAS
EXPIRED...
                
The storm that prompted the warning has weakened below severe 
limits, and the warning was allowed to expire on time. Small hail is 
still possible with the thunderstorm remaining in Erath County.

LAT...LON 3241 9829 3251 9827 3251 9807 3226 9796
      3224 9795 3223 9795 3216 9791 3214 9810
      3216 9825 3218 9830 3225 9831
TIME...MOT...LOC 2304Z 236DEG 14KT 3230 9806 

$$

25

The office that day

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

IssuedProductOfficeCountiesLasted
May 9, 7:40 PM CDTSevere Thunderstorm WarningFWDMills65 min
May 9, 8:45 PM CDTSpecial Weather StatementFWDComanche45 min
May 10, 9:08 AM CDTSpecial Weather StatementFWDCooke37 min
May 10, 9:18 AM CDTSevere Thunderstorm WarningFWDCooke, Grayson57 min
May 10, 10:08 AM CDTSevere Thunderstorm WarningFWDCollin, Fannin, Grayson, Hunt52 min
May 10, 10:45 AM CDTSevere Thunderstorm WarningFWDFannin, Grayson60 min
May 10, 11:00 AM CDTSevere Thunderstorm WarningFWDFannin, Grayson60 min
May 10, 11:03 AM CDTSpecial Weather StatementFWDFannin42 min
May 10, 11:14 AM CDTSevere Thunderstorm WarningFWDDelta, Hopkins, Hunt46 min
May 10, 11:57 AM CDTSevere Thunderstorm WarningFWDHopkins63 min
May 10, 12:05 PM CDTSpecial Weather StatementFWDDelta40 min
May 10, 12:18 PM CDTSevere Thunderstorm WarningFWDDelta27 min
May 10, 3:51 PM CDTSpecial Weather StatementFWDFannin54 min
May 10, 5:16 PM CDTSpecial Weather StatementFWDErath44 min
May 10, 5:23 PM CDTSpecial Weather StatementFWDHood, Parker37 min
May 10, 5:34 PM CDTSevere Thunderstorm WarningFWDParker38 min
May 10, 6:03 PM CDTSevere Thunderstorm WarningFWDDenton, Wise27 min
May 10, 6:10 PM CDTSpecial Weather StatementFWDDenton, Johnson, Tarrant50 min
May 10, 6:21 PM CDTSevere Thunderstorm WarningFWDTarrant24 min
May 10, 6:24 PM CDTSevere Thunderstorm WarningFWDDenton50 min
May 10, 6:32 PM CDTSpecial Weather StatementFWDDallas28 min
May 10, 6:35 PM CDTSevere Thunderstorm WarningFWDEllis, Johnson27 min
May 10, 6:37 PM CDTSevere Thunderstorm WarningFWDCollin53 min
May 10, 6:45 PM CDTSevere Thunderstorm WarningFWDGrayson43 min
May 10, 6:49 PM CDTSpecial Weather StatementFWDTarrant26 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.