Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 60, NWS Austin/San Antonio, TX

April 28, 2021Kinney County, Val Verde County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 28, 2021, 4:29 PM CDT for Kinney County, Val Verde County, Texas. It was in force for 61 min. 7 reports 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
Apr 28, 2021, 4:29 PM CDT (21:29 UTC)
Expired
Apr 28, 2021, 5:30 PM CDT
In force
61 min
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon
Hail
1.75 in
Wind
60.0 mph

Counties Kinney County, TX, Val Verde County, TX

The radar

The Laughlin AFB radar (KDFX), 47 km from the middle of the area, began a volume at 21:31 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
Apr 28, 4:41 PM CDTHAIL 1.51 Wnw Del Rio, TX1.5 INCH HAIL REPORTED NEAR THE AIRPORT VIA SOCIAL MEDIA.
Apr 28, 4:45 PM CDTHAIL 1.753 E Del Rio, TXPUBLIC REPORTED GOLF BALL SIZED HAIL ON HIGHWAY 90.
Apr 28, 4:47 PM CDTHAIL 33 Sw Laughlin Afb, TXPUBLIC REPORTED 3 INCH DIAMETER HAIL NEAR THE INTERSECTION OF U.S. HIGHWAY 277 AND SPUR 317. THE LARGEST HAIL OCCURRED BETWEEN 4:47 AND 4:50 PM.
Apr 28, 4:50 PM CDTHAIL 21 S Del Rio, TXPUBLIC REPORT OF LARGE HAIL VIA SOCIAL MEDIA.
Apr 28, 4:55 PM CDTHAIL 2Laughlin Afb, TXLAUGHLIN AFB WEATHER OBSERVER REPORTED 2 INCH DIAMETER HAIL.
Apr 28, 5:22 PM CDTHAIL 1.251 Ne Brackettville, TX
Apr 28, 5:35 PM CDTHAIL 1.25Brackettville, TXQUARTER TO HALF-DOLLAR SIZED HAIL RELAYED VIA MEDIA. GOT A 2ND REPORT FROM A GAS STATION OF THE SAME.

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

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 28, 3:10 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 9.5 hours before the alert went out and 9 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 12:00Z on 2021-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2118 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 12:00Z on 2021-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 189 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
2118 J/kg
Mixed-layer CIN
-125 J/kg
Mixed-layer LCL
609 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
189 m²/s²
0-3 km storm-relative helicity
221 m²/s²
Significant tornado parameter
1.6
Supercell composite
4.0

Open this sounding in Storm Lab

The text

As transmitted.

759 
WUUS54 KEWX 282129
SVREWX
TXC271-465-282230-
/O.NEW.KEWX.SV.W.0060.210428T2129Z-210428T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Austin/San Antonio TX
429 PM CDT Wed Apr 28 2021

The National Weather Service in Austin San Antonio has issued a

* Severe Thunderstorm Warning for...
  Kinney County in south central Texas...
  Southeastern Val Verde County in south central Texas...

* Until 530 PM CDT.

* At 429 PM CDT, a severe thunderstorm was located near Cienegas
  Terrace, or 7 miles southwest of Del Rio, moving east at 35 mph.

  HAZARD...Golf 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, Spofford, Lake View, Amanda, Laughlin AFB,
  Val Verde Park, Anacacho, Standart, Alamo Village, Cienegas
  Terrace, Laughlin AFB Aux Field, Kickapoo Cavern State Park,
  Escondido Estates, Fort Clark Springs, Lake Ridge Ranch and San
  Pedro Canyon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1100 PM CDT for south central
Texas.

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

Large hail, damaging winds, and continuous cloud to ground lightning
are occurring with this storm. Move indoors immediately. Lightning is
one of nature's leading killers. Remember, if you can hear thunder,
you are close enough to be struck by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

A Tornado Watch remains in effect until 1100 PM CDT for south central
Texas.

LAT...LON 2963 10044 2962 10040 2910 10026 2909 10067
      2917 10078 2920 10077 2926 10081 2928 10087
      2931 10089 2933 10094 2935 10095 2936 10100
      2941 10104 2943 10104
TIME...MOT...LOC 2129Z 255DEG 31KT 2931 10099 

HAIL...1.75IN
WIND...60MPH
 
$$

BRADY
4 follow-up statements
984 
WWUS54 KEWX 282143
SVSEWX

Severe Weather Statement
National Weather Service Austin/San Antonio TX
443 PM CDT Wed Apr 28 2021

TXC271-465-282230-
/O.CON.KEWX.SV.W.0060.000000T0000Z-210428T2230Z/
Kinney TX-Val Verde TX-
443 PM CDT Wed Apr 28 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR CENTRAL KINNEY AND SOUTHEASTERN VAL VERDE COUNTIES...

At 443 PM CDT, a severe thunderstorm was located over Val Verde Park,
or near Del Rio, moving east at 35 mph.

HAZARD...Tennis 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, Spofford, Lake View, Amanda, Laughlin AFB,
Val Verde Park, Anacacho, Standart, Alamo Village, Cienegas Terrace,
Kickapoo Cavern State Park, Escondido Estates, Fort Clark Springs and
Lake Ridge Ranch.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1100 PM CDT for south central
Texas.

This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 2932 10093 2944 10100 2963 10044 2962 10040
      2913 10027 2913 10072 2917 10078 2920 10077
      2926 10081 2928 10087 2931 10089
TIME...MOT...LOC 2143Z 255DEG 31KT 2935 10083 

HAIL...2.50IN
WIND...60MPH
 
$$

BRADY
883 
WWUS54 KEWX 282153
SVSEWX

Severe Weather Statement
National Weather Service Austin/San Antonio TX
453 PM CDT Wed Apr 28 2021

TXC271-465-282230-
/O.CON.KEWX.SV.W.0060.000000T0000Z-210428T2230Z/
Kinney TX-Val Verde TX-
453 PM CDT Wed Apr 28 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR CENTRAL KINNEY AND SOUTHEASTERN VAL VERDE COUNTIES...

At 453 PM CDT, a severe thunderstorm was located near Amanda, or 9
miles east of Del Rio, moving east at 35 mph.

This is a very dangerous storm.

HAZARD...Three inch hail and 60 mph wind gusts.

SOURCE...Public.

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

Locations impacted include...
Del Rio, Brackettville, Spofford, Lake View, Amanda, Laughlin AFB,
Val Verde Park, Anacacho, Standart, Alamo Village, Cienegas Terrace,
Kickapoo Cavern State Park, Escondido Estates, Fort Clark Springs and
Lake Ridge Ranch.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1100 PM CDT for south central
Texas.

This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 2932 10093 2944 10100 2963 10044 2962 10040
      2913 10027 2913 10072 2917 10078 2920 10077
      2926 10081 2928 10087 2931 10089
TIME...MOT...LOC 2153Z 255DEG 31KT 2938 10072 

HAIL...3.00IN
WIND...60MPH
 
$$

BRADY
386 
WWUS54 KEWX 282208
SVSEWX

Severe Weather Statement
National Weather Service Austin/San Antonio TX
508 PM CDT Wed Apr 28 2021

TXC271-465-282230-
/O.CON.KEWX.SV.W.0060.000000T0000Z-210428T2230Z/
Kinney TX-Val Verde TX-
508 PM CDT Wed Apr 28 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR CENTRAL KINNEY AND SOUTHEASTERN VAL VERDE COUNTIES...

At 508 PM CDT, a severe thunderstorm was located near Standart, or 14
miles east of Del Rio, moving east at 40 mph.

HAZARD...Tennis ball size hail and 70 mph wind gusts.

SOURCE...Public.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect 
         considerable tree damage. Wind damage is also likely to 
         mobile homes, roofs, and outbuildings.

Locations impacted include...
Brackettville, Spofford, Anacacho, Standart, Alamo Village, Amanda,
Laughlin AFB, Escondido Estates, Fort Clark Springs and Kickapoo
Cavern State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1100 PM CDT for south central
Texas.

This storm is producing destructive winds and large damaging hail.
SEEK SHELTER NOW inside a sturdy structure and stay away from
windows.

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 2920 10076 2951 10079 2952 10076 2963 10044
      2962 10040 2916 10028
TIME...MOT...LOC 2208Z 264DEG 34KT 2931 10066 

HAIL...2.50IN
WIND...70MPH
 
$$

BRADY
430 
WWUS54 KEWX 282220
SVSEWX

Severe Weather Statement
National Weather Service Austin/San Antonio TX
520 PM CDT Wed Apr 28 2021

TXC465-282230-
/O.CAN.KEWX.SV.W.0060.000000T0000Z-210428T2230Z/
Val Verde TX-
520 PM CDT Wed Apr 28 2021

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

A Tornado Watch remains in effect until 1100 PM CDT for south central
Texas.

LAT...LON 2920 10064 2943 10066 2955 10038 2916 10028
      2917 10045
TIME...MOT...LOC 2220Z 265DEG 31KT 2930 10054 

$$

TXC271-282230-
/O.CON.KEWX.SV.W.0060.000000T0000Z-210428T2230Z/
Kinney TX-
520 PM CDT Wed Apr 28 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR CENTRAL KINNEY COUNTY...

At 520 PM CDT, a severe thunderstorm was located near Standart, or 7
miles west of Brackettville, moving east at 35 mph.

HAZARD...Two inch hail and 70 mph wind gusts.

SOURCE...Public.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect 
         considerable tree damage. Wind damage is also likely to 
         mobile homes, roofs, and outbuildings.

Locations impacted include...
Brackettville, Spofford, Anacacho, Standart, Alamo Village and Fort
Clark Springs.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1100 PM CDT for south central
Texas.

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

This storm is producing destructive winds and large damaging hail.
SEEK SHELTER NOW inside a sturdy structure and stay away from
windows.

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 2920 10064 2943 10066 2955 10038 2916 10028
      2917 10045
TIME...MOT...LOC 2220Z 265DEG 31KT 2930 10054 

TORNADO...POSSIBLE
HAIL...2.00IN
WIND...70MPH
 
$$

BRADY

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 3:34 PM CDTSpecial Weather StatementEWXVal Verde41 min
Apr 28, 3:42 PM CDTSevere Thunderstorm WarningEWXVal Verde34 min
Apr 28, 5:25 PM CDTSevere Thunderstorm WarningEWXKinney, Uvalde65 min
Apr 28, 5:27 PM CDTSpecial Weather StatementEWXKinney48 min
Apr 28, 5:38 PM CDTSevere Thunderstorm WarningEWXKinney, Val Verde37 min
Apr 28, 6:09 PM CDTSevere Thunderstorm WarningEWXBandera, Kinney, Medina, Real, Uvalde66 min
Apr 28, 6:18 PM CDTSpecial Weather StatementEWXVal Verde42 min
Apr 28, 6:47 PM CDTSevere Thunderstorm WarningEWXKinney, Val Verde58 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.