Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 156, NWS Austin/San Antonio, TX

May 29, 20214 counties in Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 29, 2021, 3:20 AM CDT for 4 counties in Texas. It was in force for 70 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
May 29, 2021, 3:20 AM CDT (08:20 UTC)
Expired
May 29, 2021, 4:30 AM CDT
In force
70 min
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Edwards County, TX, Kinney County, TX, Real County, TX, Val Verde County, TX

The radar

The Laughlin AFB radar (KDFX), 62 km from the middle of the area, began a volume at 08:23 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

Del Rio, TX (KDRT), launched 00:00Z, 8.3 hours before the alert went out and 80 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, Del Rio, TX at 00:00Z on 2021-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3576 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, Del Rio, TX at 00:00Z on 2021-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 square meters per square second.193958Sfc1 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
3576 J/kg
Mixed-layer CIN
-62 J/kg
Mixed-layer LCL
1255 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
166 m²/s²
Significant tornado parameter
3.0
Supercell composite
14.8

Open this sounding in Storm Lab

The text

As transmitted.

335 
WUUS54 KEWX 290820
SVREWX
TXC137-271-385-465-290930-
/O.NEW.KEWX.SV.W.0156.210529T0820Z-210529T0930Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Austin/San Antonio TX
320 AM CDT Sat May 29 2021

The National Weather Service in Austin San Antonio has issued a

* Severe Thunderstorm Warning for...
  Northeastern Kinney County in south central Texas...
  Edwards County in south central Texas...
  Northeastern Val Verde County in south central Texas...
  Western Real County in south central Texas...

* Until 430 AM CDT.

* At 319 AM CDT, severe thunderstorms were located along a line
  extending from 18 miles southeast of Sonora to 16 miles north of
  Loma Alta, moving southeast at 40 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Rocksprings, Camp Wood, Barksdale, Vance, Devil's Sinkhole State
  Natural Area, Us-277 Near The Sutton-
  Edwards County Line and Kickapoo Cavern State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 2974 9978 2962 10000 2962 10011 2956 10011
      2945 10029 3016 10086 3029 10067 3029 10020
TIME...MOT...LOC 0819Z 326DEG 36KT 3033 10049 3016 10075 

HAIL...1.00IN
WIND...60MPH
 
$$

HAMPSHIRE
4 follow-up statements
605 
WWUS54 KEWX 290828
SVSEWX

Severe Weather Statement
National Weather Service Austin/San Antonio TX
328 AM CDT Sat May 29 2021

TXC137-271-385-465-290930-
/O.CON.KEWX.SV.W.0156.000000T0000Z-210529T0930Z/
Kinney TX-Edwards TX-Val Verde TX-Real TX-
328 AM CDT Sat May 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 AM CDT
FOR NORTHEASTERN KINNEY...EDWARDS...NORTHEASTERN VAL VERDE AND
WESTERN REAL COUNTIES...

At 328 AM CDT, severe thunderstorms were located along a line
extending from 21 miles northwest of Rocksprings to 10 miles north of
Loma Alta, moving southeast at 45 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
Rocksprings, Camp Wood, Barksdale, Vance, Devil's Sinkhole State
Natural Area, Us-277 Near The Sutton-
Edwards County Line and Kickapoo Cavern State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 2974 9978 2962 10000 2962 10011 2956 10011
      2945 10029 3016 10086 3029 10067 3029 10020
TIME...MOT...LOC 0828Z 335DEG 37KT 3023 10048 3006 10074 

HAIL...1.00IN
WIND...70MPH
 
$$

HAMPSHIRE
158 
WWUS54 KEWX 290846
SVSEWX

Severe Weather Statement
National Weather Service Austin/San Antonio TX
346 AM CDT Sat May 29 2021

TXC465-290856-
/O.CAN.KEWX.SV.W.0156.000000T0000Z-210529T0930Z/
Val Verde TX-
346 AM CDT Sat May 29 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN VAL VERDE COUNTY
IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

LAT...LON 3029 10020 2974 9978 2962 10000 2962 10011
      2956 10011 2945 10029 2996 10070 3004 10070
      3029 10046
TIME...MOT...LOC 0846Z 329DEG 40KT 3022 10020 2993 10043 2989 10064 

$$

TXC137-271-385-290930-
/O.CON.KEWX.SV.W.0156.000000T0000Z-210529T0930Z/
Kinney TX-Edwards TX-Real TX-
346 AM CDT Sat May 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 AM CDT
FOR NORTHEASTERN KINNEY...EDWARDS AND WESTERN REAL COUNTIES...

At 346 AM CDT, severe thunderstorms were located along a line
extending from 14 miles north of Rocksprings to 20 miles east of Loma
Alta to 6 miles northeast of Carta Valley, moving southeast at 45
mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
Rocksprings, Camp Wood, Vance, Barksdale, Devil's Sinkhole State
Natural Area and Kickapoo Cavern State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3029 10020 2974 9978 2962 10000 2962 10011
      2956 10011 2945 10029 2996 10070 3004 10070
      3029 10046
TIME...MOT...LOC 0846Z 329DEG 40KT 3022 10020 2993 10043 2989 10064 

HAIL...1.00IN
WIND...70MPH
 
$$

HAMPSHIRE
624 
WWUS54 KEWX 290903
SVSEWX

Severe Weather Statement
National Weather Service Austin/San Antonio TX
403 AM CDT Sat May 29 2021

TXC137-271-385-290930-
/O.CON.KEWX.SV.W.0156.000000T0000Z-210529T0930Z/
Kinney TX-Edwards TX-Real TX-
403 AM CDT Sat May 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 AM CDT
FOR NORTHEASTERN KINNEY...CENTRAL EDWARDS AND WESTERN REAL
COUNTIES...

At 403 AM CDT, severe thunderstorms were located along a line
extending from 8 miles northeast of Rocksprings to 17 miles west of
Barksdale to 9 miles east of Carta Valley, moving southeast at 40
mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Rocksprings, Camp Wood, Vance, Barksdale, Devil's Sinkhole State
Natural Area and Kickapoo Cavern State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3025 10017 2974 9978 2962 10000 2962 10011
      2956 10011 2945 10029 2993 10068 3011 10034
TIME...MOT...LOC 0903Z 326DEG 36KT 3008 10009 2979 10032 2975 10053 

HAIL...1.00IN
WIND...60MPH
 
$$

HAMPSHIRE
571 
WWUS54 KEWX 290917
SVSEWX

Severe Weather Statement
National Weather Service Austin/San Antonio TX
417 AM CDT Sat May 29 2021

TXC137-271-385-290930-
/O.CON.KEWX.SV.W.0156.000000T0000Z-210529T0930Z/
Kinney TX-Edwards TX-Real TX-
417 AM CDT Sat May 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 AM CDT
FOR NORTHEASTERN KINNEY...SOUTHWESTERN EDWARDS AND SOUTHWESTERN REAL
COUNTIES...

At 417 AM CDT, severe thunderstorms were located along a line
extending from 10 miles north of Vance to 12 miles west of Barksdale
to 15 miles north of Alamo Village, moving southeast at 40 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Camp Wood, Vance, Barksdale, Devil's Sinkhole State Natural Area and
Kickapoo Cavern State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3009 10005 2974 9978 2962 10000 2962 10011
      2956 10011 2945 10029 2978 10055 2988 10028
TIME...MOT...LOC 0917Z 326DEG 36KT 2997 10001 2968 10024 2964 10045 

HAIL...1.00IN
WIND...60MPH
 
$$

HAMPSHIRE

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 28, 7:01 PM CDTSevere Thunderstorm WarningEWXBastrop, Caldwell, Hays, Lee, Travis, Williamson59 min
May 28, 7:03 PM CDTSevere Thunderstorm WarningEWXEdwards, Kerr, Real57 min
May 28, 7:44 PM CDTTornado WarningEWXBastrop, Caldwell, Fayette31 min
May 28, 7:48 PM CDTAreal Flood AdvisoryEWXBastrop, Caldwell, Travis3 hr
May 28, 7:49 PM CDTAreal Flood AdvisoryEWXBlanco, Gillespie3 hr
May 28, 7:49 PM CDTSevere Thunderstorm WarningEWXBandera, Edwards, Gillespie, Kerr, Real56 min
May 28, 7:56 PM CDTSevere Thunderstorm WarningEWXBastrop, Caldwell, Fayette, Gonzales, Lee64 min
May 28, 8:20 PM CDTAreal Flood AdvisoryEWXBandera, Gillespie, Kerr3 hr
May 28, 8:24 PM CDTFlash Flood Warning Considerable damage threatEWXBastrop, Travis3 hr
May 28, 8:25 PM CDTSevere Thunderstorm WarningEWXCaldwell, Comal, Guadalupe, Hays30 min
May 28, 8:28 PM CDTTornado WarningEWXFayette32 min
May 28, 8:38 PM CDTSevere Thunderstorm WarningEWXFayette, Lavaca, Lee52 min
May 28, 8:44 PM CDTSevere Thunderstorm WarningEWXBandera, Bexar, Blanco, Comal, Kendall, Kerr and 3 more61 min
May 28, 8:48 PM CDTAreal Flood AdvisoryEWXAtascosa, Bandera, Bexar, Comal, Kendall, Kerr and 1 more3 hr
May 28, 8:58 PM CDTAreal Flood AdvisoryEWXBastrop, Fayette, Lee5 hr
May 28, 8:58 PM CDTSpecial Weather StatementEWXGonzales, Guadalupe47 min
May 28, 9:00 PM CDTAreal Flood AdvisoryEWXCaldwell, Comal, Guadalupe, Hays3 hr
May 28, 9:34 PM CDTSevere Thunderstorm WarningEWXBexar, Caldwell, Comal, Gonzales, Guadalupe, Hays and 2 more56 min
May 28, 9:42 PM CDTFlash Flood Warning Considerable damage threatEWXBexar, Comal, Guadalupe3 hr
May 28, 10:23 PM CDTSevere Thunderstorm WarningEWXAtascosa, Bastrop, Caldwell, DeWitt, Fayette, Gonzales and 5 more21 min
May 28, 10:47 PM CDTSpecial Weather StatementEWXDeWitt, Gonzales, Karnes, Lavaca58 min
May 28, 10:50 PM CDTRiver Flood WarningEWXWilliamson8 hr
May 28, 11:19 PM CDTRiver Flood WarningEWXBlanco7 hr
May 28, 11:56 PM CDTSpecial Weather StatementEWXBandera, Kendall, Kerr34 min
May 29, 12:09 AM CDTSpecial Weather StatementEWXGillespie, Kerr36 min
May 29, 12:28 AM CDTAreal Flood AdvisoryEWXBexar, Comal, Guadalupe3 hr
May 29, 12:41 AM CDTSpecial Weather StatementEWXBandera, Kendall, Kerr34 min
May 29, 1:11 AM CDTSpecial Weather StatementEWXComal, Kendall49 min
May 29, 1:48 AM CDTSpecial Weather StatementEWXGonzales, Guadalupe57 min
May 29, 2:11 AM CDTSpecial Weather StatementEWXVal Verde49 min
May 29, 2:21 AM CDTSevere Thunderstorm WarningEWXEdwards, Val Verde54 min
May 29, 3:16 AM CDTSevere Thunderstorm WarningEWXEdwards, Kinney, Maverick, Val Verde89 min
May 29, 4:38 AM CDTSpecial Weather StatementEWXKinney, Uvalde52 min
May 29, 4:46 AM CDTSevere Thunderstorm WarningEWXBandera, Medina, Real, Uvalde27 min
May 29, 5:27 AM CDTSpecial Weather StatementEWXMaverick, Zavala48 min
May 29, 5:35 AM CDTSevere Thunderstorm WarningEWXDimmit, Maverick, Zavala55 min
May 29, 5:54 AM CDTSpecial Weather StatementEWXAtascosa, Frio, Medina51 min
May 29, 6:28 AM CDTAreal Flood AdvisoryEWXBandera, Edwards, Kerr, Real3 hr

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.