Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 155, 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, 3:16 AM CDT for 4 counties in Texas. It was in force for 89 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 29, 2021, 3:16 AM CDT (08:16 UTC)
Expired: May 29, 2021, 4:45 AM CDT
In force: 89 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, Maverick County, TX, Val Verde County, TX

The radar

The Laughlin AFB radar (KDFX), 74 km from the middle of the area, began a volume at 08:17 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

Time	Report	Where	Remark
May 29, 3:30 AM CDT	HAIL 1	3 Se Comstock, TX	QUARTER SIZED HAIL REPORTED BY BORDER PATROL NEAR COMSTOCK.

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

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 8.3 hours before the alert went out and 21 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

100 
WUUS54 KEWX 290816
SVREWX
TXC137-271-323-465-290945-
/O.NEW.KEWX.SV.W.0155.210529T0816Z-210529T0945Z/

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

The National Weather Service in Austin San Antonio has issued a

* Severe Thunderstorm Warning for...
  Western Kinney County in south central Texas...
  Northwestern Maverick County in south central Texas...
  Southwestern Edwards County in south central Texas...
  Eastern Val Verde County in south central Texas...

* Until 445 AM CDT.

* At 315 AM CDT, severe thunderstorms were located along a line
  extending from 10 miles northwest of Loma Alta to 13 miles
  northeast of Comstock to near Seminole Canyon State Park, moving
  southeast at 35 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...
  Del Rio, Brackettville, Comstock, Loma Alta, Lake View, Amistad
  Acres, Laughlin AFB, Alamo Village, Carta Valley, Cienegas Terrace,
  Amistad Village, Black Brush Point, Seminole Canyon State Park,
  Amanda, Box Canyon, Val Verde Park, Standart, Diablo East,
  Governors Landing and Long Point.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 2994 10111 3018 10087 2943 10027 2903 10052
      2899 10065 2910 10067 2917 10078 2920 10077
      2926 10081 2936 10100 2946 10106 2947 10115
      2952 10118 2952 10125 2962 10125 2963 10126
      2958 10129 2965 10130 2965 10136 2974 10141
TIME...MOT...LOC 0815Z 330DEG 30KT 3004 10087 2981 10101 2970 10134 

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

HAMPSHIRE

5 follow-up statements

010 
WWUS54 KEWX 290827
SVSEWX

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

TXC137-271-323-465-290945-
/O.CON.KEWX.SV.W.0155.000000T0000Z-210529T0945Z/
Kinney TX-Maverick TX-Edwards TX-Val Verde TX-
327 AM CDT Sat May 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 AM CDT
FOR WESTERN KINNEY...NORTHWESTERN MAVERICK...SOUTHWESTERN EDWARDS AND
EASTERN VAL VERDE COUNTIES...

At 327 AM CDT, severe thunderstorms were located along a line
extending from near Loma Alta to 13 miles east of Comstock to near
Seminole Canyon State Park, moving southeast at 35 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Del Rio, Brackettville, Comstock, Loma Alta, Lake View, Amistad
Acres, Laughlin AFB, Alamo Village, Carta Valley, Cienegas Terrace,
Amistad Village, Black Brush Point, Seminole Canyon State Park,
Amanda, Box Canyon, Val Verde Park, Standart, Diablo East, Governors
Landing and Long Point.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 2987 10112 3018 10087 2943 10027 2903 10052
      2899 10065 2910 10067 2917 10078 2920 10077
      2926 10081 2936 10100 2946 10106 2947 10115
      2952 10118 2952 10125 2962 10125 2963 10126
      2958 10129 2965 10130 2965 10136 2974 10141
TIME...MOT...LOC 0827Z 330DEG 30KT 2997 10082 2974 10096 2963 10129 

HAIL...1.50IN
WIND...60MPH
 
$$

HAMPSHIRE

497 
WWUS54 KEWX 290844
SVSEWX

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

TXC137-271-323-465-290945-
/O.CON.KEWX.SV.W.0155.000000T0000Z-210529T0945Z/
Kinney TX-Maverick TX-Edwards TX-Val Verde TX-
344 AM CDT Sat May 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 AM CDT
FOR WESTERN KINNEY...NORTHWESTERN MAVERICK...SOUTHWESTERN EDWARDS AND
SOUTHEASTERN VAL VERDE COUNTIES...

At 344 AM CDT, severe thunderstorms were located along a line
extending from near Loma Alta to 9 miles northeast of Long Point to
near Box Canyon, moving southeast at 35 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Del Rio, Brackettville, Comstock, Loma Alta, Lake View, Amistad
Acres, Laughlin AFB, Alamo Village, Carta Valley, Cienegas Terrace,
Amistad Village, Black Brush Point, Amanda, Box Canyon, Val Verde
Park, Standart, Diablo East, Governors Landing, Long Point 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 10107 3006 10080 2943 10027 2903 10052
      2899 10065 2910 10067 2917 10078 2920 10077
      2926 10081 2936 10100 2946 10106 2947 10115
      2952 10118 2952 10125 2962 10125 2963 10126
      2958 10129 2963 10130
TIME...MOT...LOC 0844Z 329DEG 30KT 2986 10077 2963 10088 2952 10121 

HAIL...1.50IN
WIND...60MPH
 
$$

HAMPSHIRE

758 
WWUS54 KEWX 290906
SVSEWX

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

TXC137-271-323-465-290945-
/O.CON.KEWX.SV.W.0155.000000T0000Z-210529T0945Z/
Kinney TX-Maverick TX-Edwards TX-Val Verde TX-
406 AM CDT Sat May 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 AM CDT
FOR WESTERN KINNEY...NORTHWESTERN MAVERICK...SOUTHWESTERN EDWARDS AND
SOUTHEASTERN VAL VERDE COUNTIES...

At 406 AM CDT, severe thunderstorms were located along a line
extending from 7 miles south of Carta Valley to 6 miles northeast of
Val Verde Park to 8 miles southwest of Cienegas Terrace, moving
southeast at 35 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...
Del Rio, Brackettville, Lake View, Laughlin AFB, Alamo Village, Carta
Valley, Cienegas Terrace, Amistad Village, Black Brush Point, Amanda,
Val Verde Park, Standart, Diablo East, Governors Landing, Long Point,
Kickapoo Cavern State Park, 277 South Boat Ramp, 277 North
Campground, Rough Canyon Recreation Area and Escondido Estates.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 2952 10099 2967 10099 2992 10069 2943 10027
      2903 10052 2899 10064 2910 10066 2917 10077
      2920 10076 2926 10080 2936 10099 2946 10105
TIME...MOT...LOC 0906Z 330DEG 32KT 2969 10067 2946 10078 2930 10106 

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

HAMPSHIRE

145 
WWUS54 KEWX 290924
SVSEWX

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

TXC137-271-323-465-290945-
/O.CON.KEWX.SV.W.0155.000000T0000Z-210529T0945Z/
Kinney TX-Maverick TX-Edwards TX-Val Verde TX-
424 AM CDT Sat May 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 AM CDT
FOR WESTERN KINNEY...NORTHWESTERN MAVERICK...SOUTHWESTERN EDWARDS AND
SOUTHEASTERN VAL VERDE COUNTIES...

At 424 AM CDT, severe thunderstorms were located along a line
extending from 8 miles north of Amanda to near Laughlin AFB, moving
southeast at 35 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...
Del Rio, Brackettville, Val Verde Park, Standart, Alamo Village,
Cienegas Terrace, Amanda, Laughlin AFB, Escondido Estates, Fort Clark
Springs, Laughlin AFB Aux Field 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 2947 10087 2978 10057 2943 10027 2903 10052
      2899 10064 2910 10066 2917 10077 2920 10076
      2926 10080 2936 10099
TIME...MOT...LOC 0924Z 320DEG 29KT 2949 10061 2929 10075 

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

HAMPSHIRE

336 
WWUS54 KEWX 290942
SVSEWX

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

TXC137-271-323-465-290952-
/O.EXP.KEWX.SV.W.0155.000000T0000Z-210529T0945Z/
Kinney TX-Maverick TX-Edwards TX-Val Verde TX-
442 AM CDT Sat May 29 2021

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN KINNEY...NORTHWESTERN
MAVERICK...SOUTHWESTERN EDWARDS AND SOUTHEASTERN VAL VERDE COUNTIES
WILL EXPIRE AT 445 AM CDT...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty
winds and heavy rain are still possible with these thunderstorms.

LAT...LON 2947 10087 2978 10057 2943 10027 2903 10052
      2899 10064 2910 10066 2917 10077 2920 10076
      2926 10080 2936 10099
TIME...MOT...LOC 0942Z 330DEG 30KT 2937 10053 2917 10067 

$$

HAMPSHIRE

The office that day

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

Issued	Product	Office	Counties	Lasted
May 28, 7:01 PM CDT	Severe Thunderstorm Warning	EWX	Bastrop, Caldwell, Hays, Lee, Travis, Williamson	59 min
May 28, 7:03 PM CDT	Severe Thunderstorm Warning	EWX	Edwards, Kerr, Real	57 min
May 28, 7:44 PM CDT	Tornado Warning	EWX	Bastrop, Caldwell, Fayette	31 min
May 28, 7:48 PM CDT	Areal Flood Advisory	EWX	Bastrop, Caldwell, Travis	3 hr
May 28, 7:49 PM CDT	Areal Flood Advisory	EWX	Blanco, Gillespie	3 hr
May 28, 7:49 PM CDT	Severe Thunderstorm Warning	EWX	Bandera, Edwards, Gillespie, Kerr, Real	56 min
May 28, 7:56 PM CDT	Severe Thunderstorm Warning	EWX	Bastrop, Caldwell, Fayette, Gonzales, Lee	64 min
May 28, 8:20 PM CDT	Areal Flood Advisory	EWX	Bandera, Gillespie, Kerr	3 hr
May 28, 8:24 PM CDT	Flash Flood Warning Considerable damage threat	EWX	Bastrop, Travis	3 hr
May 28, 8:25 PM CDT	Severe Thunderstorm Warning	EWX	Caldwell, Comal, Guadalupe, Hays	30 min
May 28, 8:28 PM CDT	Tornado Warning	EWX	Fayette	32 min
May 28, 8:38 PM CDT	Severe Thunderstorm Warning	EWX	Fayette, Lavaca, Lee	52 min
May 28, 8:44 PM CDT	Severe Thunderstorm Warning	EWX	Bandera, Bexar, Blanco, Comal, Kendall, Kerr and 3 more	61 min
May 28, 8:48 PM CDT	Areal Flood Advisory	EWX	Atascosa, Bandera, Bexar, Comal, Kendall, Kerr and 1 more	3 hr
May 28, 8:58 PM CDT	Areal Flood Advisory	EWX	Bastrop, Fayette, Lee	5 hr
May 28, 8:58 PM CDT	Special Weather Statement	EWX	Gonzales, Guadalupe	47 min
May 28, 9:00 PM CDT	Areal Flood Advisory	EWX	Caldwell, Comal, Guadalupe, Hays	3 hr
May 28, 9:34 PM CDT	Severe Thunderstorm Warning	EWX	Bexar, Caldwell, Comal, Gonzales, Guadalupe, Hays and 2 more	56 min
May 28, 9:42 PM CDT	Flash Flood Warning Considerable damage threat	EWX	Bexar, Comal, Guadalupe	3 hr
May 28, 10:23 PM CDT	Severe Thunderstorm Warning	EWX	Atascosa, Bastrop, Caldwell, DeWitt, Fayette, Gonzales and 5 more	21 min
May 28, 10:47 PM CDT	Special Weather Statement	EWX	DeWitt, Gonzales, Karnes, Lavaca	58 min
May 28, 10:50 PM CDT	River Flood Warning	EWX	Williamson	8 hr
May 28, 11:19 PM CDT	River Flood Warning	EWX	Blanco	7 hr
May 28, 11:56 PM CDT	Special Weather Statement	EWX	Bandera, Kendall, Kerr	34 min
May 29, 12:09 AM CDT	Special Weather Statement	EWX	Gillespie, Kerr	36 min
May 29, 12:28 AM CDT	Areal Flood Advisory	EWX	Bexar, Comal, Guadalupe	3 hr
May 29, 12:41 AM CDT	Special Weather Statement	EWX	Bandera, Kendall, Kerr	34 min
May 29, 1:11 AM CDT	Special Weather Statement	EWX	Comal, Kendall	49 min
May 29, 1:48 AM CDT	Special Weather Statement	EWX	Gonzales, Guadalupe	57 min
May 29, 2:11 AM CDT	Special Weather Statement	EWX	Val Verde	49 min
May 29, 2:21 AM CDT	Severe Thunderstorm Warning	EWX	Edwards, Val Verde	54 min
May 29, 3:20 AM CDT	Severe Thunderstorm Warning	EWX	Edwards, Kinney, Real, Val Verde	70 min
May 29, 4:38 AM CDT	Special Weather Statement	EWX	Kinney, Uvalde	52 min
May 29, 4:46 AM CDT	Severe Thunderstorm Warning	EWX	Bandera, Medina, Real, Uvalde	27 min
May 29, 5:27 AM CDT	Special Weather Statement	EWX	Maverick, Zavala	48 min
May 29, 5:35 AM CDT	Severe Thunderstorm Warning	EWX	Dimmit, Maverick, Zavala	55 min
May 29, 5:54 AM CDT	Special Weather Statement	EWX	Atascosa, Frio, Medina	51 min
May 29, 6:28 AM CDT	Areal Flood Advisory	EWX	Bandera, Edwards, Kerr, Real	3 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2021 Every 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.