Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 94, NWS Fort Worth, TX

April 28, 2021Stephens County, Young County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Apr 28, 2021, 3:46 AM CDT for Stephens County, Young 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 28, 2021, 3:46 AM CDT (08:46 UTC)
Expired
Apr 28, 2021, 4:45 AM CDT
In force
59 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Stephens County, TX, Young County, TX

The radar

The Dyess AFB radar (KDYX), 63 km from the middle of the area, began a volume at 08:50 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 28, 3:01 AM CDTTornado WatchSPC7 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 8.8 hours before the alert went out and 142 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 2021-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 692 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2021-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 197 square meters per square second.1939587897117Sfc1 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
692 J/kg
Mixed-layer CIN
-275 J/kg
Mixed-layer LCL
967 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
197 m²/s²
0-3 km storm-relative helicity
388 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

458 
WUUS54 KFWD 280846
SVRFWD
TXC429-503-280945-
/O.NEW.KFWD.SV.W.0094.210428T0846Z-210428T0945Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Fort Worth TX
346 AM CDT Wed Apr 28 2021

The National Weather Service in Fort Worth has issued a

* Severe Thunderstorm Warning for...
  Young County in north central Texas...
  Stephens County in north central Texas...

* Until 445 AM CDT.

* At 345 AM CDT, a severe thunderstorm was located 8 miles southeast
  of Fort Griffin, or 10 miles northeast of Albany, moving east at 35
  mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Graham, Breckenridge, Crystal Falls, Newcastle and Us-
  180 Near The Shackelford-Stephens County Line.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 AM CDT for north central
Texas.

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

&&

LAT...LON 3295 9910 3296 9895 3320 9895 3332 9842
      3295 9843 3295 9857 3285 9858 3252 9910
TIME...MOT...LOC 0845Z 249DEG 30KT 3283 9915 

HAIL...1.25IN
WIND...60MPH
$$

79
2 follow-up statements
029 
WWUS54 KFWD 280907
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
407 AM CDT Wed Apr 28 2021

TXC429-503-280945-
/O.CON.KFWD.SV.W.0094.000000T0000Z-210428T0945Z/
Young TX-Stephens TX-
407 AM CDT Wed Apr 28 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 AM CDT
FOR YOUNG AND STEPHENS COUNTIES...

At 407 AM CDT, a severe thunderstorm was located near Woodson, or 14
miles northwest of Breckenridge, moving northeast at 30 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Graham, Breckenridge, Crystal Falls, Newcastle and Us-
180 Near The Shackelford-Stephens County Line.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted act quickly and move to a place
of safety inside a sturdy structure, such as a small interior room.

&&

A Tornado Watch remains in effect until 1000 AM CDT for north central
Texas.

LAT...LON 3295 9910 3296 9895 3320 9895 3332 9842
      3295 9843 3295 9857 3285 9858 3252 9910
TIME...MOT...LOC 0907Z 236DEG 25KT 3294 9905 

HAIL...1.25IN
WIND...60MPH
 
$$

79
269 
WWUS54 KFWD 280943
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
443 AM CDT Wed Apr 28 2021

TXC429-503-280950-
/O.EXP.KFWD.SV.W.0094.000000T0000Z-210428T0945Z/
Young TX-Stephens TX-
443 AM CDT Wed Apr 28 2021

...THE SEVERE THUNDERSTORM WARNING FOR YOUNG AND STEPHENS COUNTIES
WILL EXPIRE AT 445 AM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning will be allowed to expire.

A Tornado Watch remains in effect until 1000 AM CDT for north central
Texas.

Remember, a Severe Thunderstorm Warning remains in effect for 
Eastern Stephens County and Southeastern Young County until 530 AM 
CDT.

LAT...LON 3295 9910 3296 9895 3320 9895 3332 9842
      3295 9843 3295 9857 3285 9858 3252 9910
TIME...MOT...LOC 0940Z 249DEG 30KT 3303 9876 

$$

79

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 27, 10:12 PM CDTSpecial Weather StatementFWDYoung33 min
Apr 27, 10:47 PM CDTSpecial Weather StatementFWDYoung28 min
Apr 27, 11:14 PM CDTSpecial Weather StatementFWDJack31 min
Apr 27, 11:57 PM CDTSpecial Weather StatementFWDMontague33 min
Apr 28, 4:27 AM CDTSevere Thunderstorm WarningFWDJack, Palo Pinto, Stephens, Young63 min
Apr 28, 4:50 AM CDTSpecial Weather StatementFWDJack, Young25 min
Apr 28, 5:36 AM CDTSpecial Weather StatementFWDPalo Pinto24 min
Apr 28, 6:01 AM CDTSpecial Weather StatementFWDJack29 min
Apr 28, 6:44 AM CDTSpecial Weather StatementFWDStephens31 min
Apr 28, 7:10 AM CDTSevere Thunderstorm WarningFWDPalo Pinto, Stephens65 min
Apr 28, 7:27 AM CDTTornado WarningFWDPalo Pinto, Stephens19 min
Apr 28, 7:59 AM CDTRiver Flood WarningFWDDallas48 hr
Apr 28, 8:05 AM CDTSpecial Weather StatementFWDPalo Pinto, Parker55 min
Apr 28, 9:24 AM CDTRiver Flood WarningFWDHunt70 hr
Apr 28, 9:24 AM CDTRiver Flood WarningFWDHunt, Kaufman, Rockwall52 hr
Apr 28, 12:47 PM CDTAreal Flood AdvisoryFWDGrayson118 min
Apr 28, 1:54 PM CDTSpecial Weather StatementFWDMontague36 min
Apr 28, 2:37 PM CDTFlash Flood WatchFWDCollin, Cooke, Dallas, Delta, Denton, Fannin and 13 more16 hr
Apr 28, 4:33 PM CDTSevere Thunderstorm WarningFWDComanche, Eastland34 min
Apr 28, 6:49 PM CDTSpecial Weather StatementFWDParker26 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.