Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 61, NWS Austin/San Antonio, TX

April 28, 2021Kinney County, Uvalde County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 28, 2021, 5:25 PM CDT for Kinney County, Uvalde County, Texas. It was in force for 65 min. 5 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, 5:25 PM CDT (22:25 UTC)
Expired
Apr 28, 2021, 6:30 PM CDT
In force
65 min
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon
Tornado
Possible
Hail
1.75 in
Wind
70.0 mph

Counties Kinney County, TX, Uvalde County, TX

The radar

The Laughlin AFB radar (KDFX), 3 km from the middle of the area, began a volume at 22:25 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, 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.
Apr 28, 6:04 PM CDTHAIL 1Brackettville, TXLARGE MARBLE TO QUARTER SIZED HAIL AGAIN IN BRACKETTVILLE.
Apr 28, 6:05 PM CDTHAIL 1.5Brackettville, TXREPORT RELAYED VIA MEDIA OF PING PONG BALL SIZED HAIL WITH 2ND SUPERCELL OF THE NIGHT.
Apr 28, 6:05 PM CDTHAIL 22 Wnw Brackettville, TX
Apr 28, 6:07 PM CDTHAIL 2.758 S Montell, TXPUBLIC REPORT OF BASEBALL SIZED HAIL VIA TWITTER ON HWY 55 NW OF UVALDE. THIS IS THE LEAD SUPERCELL.

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, 10.4 hours before the alert went out and 56 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.

569 
WUUS54 KEWX 282225
SVREWX
TXC271-463-282330-
/O.NEW.KEWX.SV.W.0061.210428T2225Z-210428T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Austin/San Antonio TX
525 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...
  Western Uvalde County in south central Texas...

* Until 630 PM CDT.

* At 525 PM CDT, a severe thunderstorm was located near
  Brackettville, moving east at 30 mph.

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

  SOURCE...Radar indicated.

  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, Laguna, Montell, Dabney, Blewett, Cline,
  Anacacho, Alamo Village, Turkey Mountain, Fort Clark Springs and
  Laughlin AFB Aux Field.

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!

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.

&&

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

LAT...LON 2913 10058 2943 10061 2963 10013 2962 9998
      2909 9990 2908 10013
TIME...MOT...LOC 2225Z 262DEG 28KT 2931 10050 

TORNADO...POSSIBLE
HAIL...1.75IN
WIND...70MPH
 
$$

BRADY
2 follow-up statements
547 
WWUS54 KEWX 282240
SVSEWX

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

TXC271-463-282330-
/O.CON.KEWX.SV.W.0061.000000T0000Z-210428T2330Z/
Kinney TX-Uvalde TX-
540 PM CDT Wed Apr 28 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR EASTERN KINNEY AND WESTERN UVALDE COUNTIES...

At 540 PM CDT, a severe thunderstorm was located near Brackettville,
moving east at 50 mph.

HAZARD...70 mph wind gusts and half dollar size hail.

SOURCE...Public.

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...
Brackettville, Laguna, Montell, Dabney, Blewett, Cline, Anacacho,
Alamo Village, Turkey Mountain and Fort Clark Springs.

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 2919 10047 2948 10049 2954 10034 2962 9998
      2914 9991
TIME...MOT...LOC 2240Z 268DEG 42KT 2931 10030 

TORNADO...POSSIBLE
HAIL...1.25IN
WIND...70MPH
 
$$

BRADY
118 
WWUS54 KEWX 282300
SVSEWX

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

TXC271-463-282330-
/O.CON.KEWX.SV.W.0061.000000T0000Z-210428T2330Z/
Kinney TX-Uvalde TX-
600 PM CDT Wed Apr 28 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR EAST CENTRAL KINNEY AND WESTERN UVALDE COUNTIES...

At 600 PM CDT, a severe thunderstorm was located over Cline, or 17
miles northwest of Uvalde, moving east at 35 mph.

HAZARD...70 mph wind gusts and ping pong ball size hail.

SOURCE...Radar indicated.

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...
Laguna, Montell, Cline and Turkey Mountain. 

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 2924 10028 2944 10028 2954 10013 2959 9998
      2916 9991
TIME...MOT...LOC 2300Z 254DEG 30KT 2932 10005 

TORNADO...POSSIBLE
HAIL...1.50IN
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, 4:29 PM CDTSevere Thunderstorm WarningEWXKinney, Val Verde61 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.