Alert archive / Texas / Tornado Warnings in 2021

Tornado Warning 5, NWS Austin/San Antonio, TX

April 28, 2021Atascosa County, Bexar County, Medina County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Apr 28, 2021, 7:55 PM CDT for Atascosa County, Bexar County, Medina County, Texas. It was in force for 50 min. 9 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, 7:55 PM CDT (00:55 UTC)
Expired
Apr 28, 2021, 8:45 PM CDT
In force
50 min
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon
Tornado
Radar indicated
Hail
2.0 in

Counties Atascosa County, TX, Bexar County, TX, Medina County, TX

The radar

The Austin/San Antonio radar (KEWX), 88 km from the middle of the area, began a volume at 00:59 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, 8:00 PM CDTHAIL 2.57 W Castroville, TX
Apr 28, 8:10 PM CDTTSTM WND GST 612 Ese Castroville, TX
Apr 28, 8:10 PM CDTHAIL 1.753 Wnw Castroville, TX
Apr 28, 8:16 PM CDTTSTM WND DMGCastroville, TXREPORTS OF AN RV FLIPPED...SEVERAL TREES UPROOTED...FENCES BLOWN DOWN...AND IRRIGATION PIPES TWISTED. TIME ESTIMATED VIA RADAR.
Apr 28, 8:17 PM CDTHAIL 1Sea World, TX
Apr 28, 8:22 PM CDTHAIL 1.53 Nnw Lackland Afb, TXTWITTER REPORT.
Apr 28, 8:23 PM CDTHAIL 12 Wnw Lackland Afb, TXTWITTER REPORT.
Apr 28, 8:27 PM CDTHAIL 14 Sw Sea World, TX
Apr 28, 8:35 PM CDTHAIL 12 Wsw Lackland Afb, TX

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 00:00Z, 0.9 hours before the alert went out and 198 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 2021-04-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 133 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 2021-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -173 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
133 J/kg
Mixed-layer CIN
-279 J/kg
Mixed-layer LCL
1737 m above ground
0-6 km bulk shear
78 kt
0-1 km storm-relative helicity
-173 m²/s²
0-3 km storm-relative helicity
146 m²/s²
Significant tornado parameter
0.0
Supercell composite
-1.2

Open this sounding in Storm Lab

The text

As transmitted.

102 
WFUS54 KEWX 290055
TOREWX
TXC013-029-325-290145-
/O.NEW.KEWX.TO.W.0005.210429T0055Z-210429T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Austin/San Antonio TX
755 PM CDT Wed Apr 28 2021

The National Weather Service in Austin San Antonio has issued a

* Tornado Warning for...
  Southeastern Medina County in south central Texas...
  Northwestern Atascosa County in south central Texas...
  Southwestern Bexar County in south central Texas...

* Until 845 PM CDT.
    
* At 755 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Dunlay, or 7 miles southwest of Castroville,
  moving east at 35 mph.

  HAZARD...Tornado and hail up to two inches in diameter.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  San Antonio, Castroville, Stinson Municipal Airport, Leon Valley,
  Alamo Heights, Terrell Hills, Lytle, Olmos Park, Somerset, Natalia,
  Lacoste, Noonan, Quihi, Dunlay, Pearson, Sea World, Bader, Lackland
  AFB, Biry and Rio Medina.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not take shelter under highway overpasses. If you
cannot safely drive away from the tornado, as a last resort, either
park your vehicle and stay put, or abandon your vehicle and lie down
in a low lying area and protect yourself from flying debris.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 2921 9904 2943 9904 2950 9844 2908 9843
TIME...MOT...LOC 0055Z 272DEG 29KT 2930 9898 

TORNADO...RADAR INDICATED
HAIL...2.00IN

$$

BRADY
3 follow-up statements
678 
WWUS54 KEWX 290116
SVSEWX

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

TXC013-029-325-290145-
/O.CON.KEWX.TO.W.0005.000000T0000Z-210429T0145Z/
Medina TX-Atascosa TX-Bexar TX-
816 PM CDT Wed Apr 28 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR EAST
CENTRAL MEDINA...NORTHWESTERN ATASCOSA AND SOUTHWESTERN BEXAR
COUNTIES...
    
At 816 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Castroville, moving northeast at 25 mph.

HAZARD...Tornado and two inch hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
San Antonio, Castroville, Stinson Municipal Airport, Leon Valley,
Alamo Heights, Terrell Hills, Lytle, Olmos Park, Somerset, Lacoste,
Lackland AFB, Noonan, Pearson, Rio Medina, Sea World, Balcones
Heights, Von Ormy, Buena Vista, Mitchell Lake and Losoya.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not take shelter under highway overpasses. If you
cannot safely drive away from the tornado, as a last resort, either
park your vehicle and stay put, or abandon your vehicle and lie down
in a low lying area and protect yourself from flying debris.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 2924 9894 2944 9894 2950 9844 2912 9843
TIME...MOT...LOC 0116Z 244DEG 23KT 2936 9883 

TORNADO...RADAR INDICATED
HAIL...2.00IN

$$

BRADY
050 
WWUS54 KEWX 290135
SVSEWX

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

TXC013-325-290145-
/O.CAN.KEWX.TO.W.0005.000000T0000Z-210429T0145Z/
Medina TX-Atascosa TX-
835 PM CDT Wed Apr 28 2021

...THE TORNADO WARNING FOR EAST CENTRAL MEDINA AND NORTHWESTERN
ATASCOSA COUNTIES IS CANCELLED...
    
The tornadic 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 2930 9880 2946 9880 2950 9844 2925 9843
TIME...MOT...LOC 0135Z 252DEG 27KT 2939 9865 

$$

TXC029-290145-
/O.CON.KEWX.TO.W.0005.000000T0000Z-210429T0145Z/
Bexar TX-
835 PM CDT Wed Apr 28 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR
SOUTHWESTERN BEXAR COUNTY...
    
At 835 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Lackland AFB, or 9 miles southwest of San Antonio,
moving east at 30 mph.

HAZARD...Tornado and baseball size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
San Antonio, Stinson Municipal Airport, Leon Valley, Alamo Heights,
Terrell Hills, Olmos Park, Lackland AFB, Sea World, Balcones Heights,
Von Ormy, Buena Vista, Mitchell Lake, Macdona, Mangus Corner and
Brooks City Base.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not take shelter under highway overpasses. If you
cannot safely drive away from the tornado, as a last resort, either
park your vehicle and stay put, or abandon your vehicle and lie down
in a low lying area and protect yourself from flying debris.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 2930 9880 2946 9880 2950 9844 2925 9843
TIME...MOT...LOC 0135Z 252DEG 27KT 2939 9865 

TORNADO...RADAR INDICATED
HAIL...2.75IN

$$

BRADY
250 
WWUS54 KEWX 290144
SVSEWX

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

TXC029-290153-
/O.EXP.KEWX.TO.W.0005.000000T0000Z-210429T0145Z/
Bexar TX-
844 PM CDT Wed Apr 28 2021

...THE TORNADO WARNING FOR SOUTHWESTERN BEXAR COUNTY WILL EXPIRE AT
845 PM CDT...
                
The storm which prompted the warning has weakened and no longer 
appears capable of producing a tornado. Therefore, the warning will 
be allowed to expire.  However large hail, damaging winds and heavy 
rain are still possible with this thunderstorm.

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

LAT...LON 2930 9880 2946 9880 2950 9844 2925 9843
TIME...MOT...LOC 0143Z 272DEG 29KT 2939 9860 

$$

BRADY

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 7:00 PM CDTTornado WarningEWXMedina, Uvalde30 min
Apr 28, 7:10 PM CDTSevere Thunderstorm WarningEWXBandera, Medina, Uvalde65 min
Apr 28, 7:22 PM CDTSpecial Weather StatementEWXMaverick38 min
Apr 28, 7:26 PM CDTTornado Warning Tornado observedEWXBandera, Bexar, Medina34 min
Apr 28, 7:29 PM CDTSevere Thunderstorm WarningEWXKinney, Real, Uvalde61 min
Apr 28, 7:55 PM CDTSpecial Weather StatementEWXUvalde50 min
Apr 28, 7:59 PM CDTSevere Thunderstorm WarningEWXAtascosa, Bandera, Bexar, Comal, Kendall, Medina and 1 more61 min
Apr 28, 8:07 PM CDTSevere Thunderstorm WarningEWXKinney, Maverick, Uvalde, Zavala53 min
Apr 28, 8:12 PM CDTSevere Thunderstorm WarningEWXBandera, Medina, Uvalde51 min
Apr 28, 8:45 PM CDTSevere Thunderstorm WarningEWXBandera, Medina, Uvalde20 min
Apr 28, 8:46 PM CDTAreal Flood AdvisoryEWXBandera, Bexar, Medina3 hr
Apr 28, 8:49 PM CDTSevere Thunderstorm WarningEWXFrio, Medina, Uvalde, Zavala56 min
Apr 28, 8:55 PM CDTSevere Thunderstorm WarningEWXBexar, Comal, Guadalupe, Wilson65 min
Apr 28, 9:17 PM CDTSevere Thunderstorm WarningEWXEdwards, Kinney, Val Verde23 min
Apr 28, 9:18 PM CDTFlash Flood WarningEWXBexar3 hr
Apr 28, 9:27 PM CDTSpecial Weather StatementEWXBexar48 min
Apr 28, 9:30 PM CDTTornado WarningEWXBexar, Comal, Guadalupe30 min
Apr 28, 9:37 PM CDTSevere Thunderstorm WarningEWXAtascosa, Bexar, Frio, Medina42 min
Apr 28, 9:53 PM CDTSevere Thunderstorm WarningEWXComal, Guadalupe, Hays40 min
Apr 28, 9:57 PM CDTTornado WarningEWXComal, Guadalupe, Hays20 min
Apr 28, 10:12 PM CDTSevere Thunderstorm WarningEWXBandera, Edwards, Kerr, Kinney, Real, Uvalde63 min
Apr 28, 10:21 PM CDTSevere Thunderstorm WarningEWXBastrop, Caldwell, Hays, Travis22 min
Apr 28, 11:02 PM CDTSevere Thunderstorm WarningEWXKinney, Uvalde43 min
Apr 28, 11:08 PM CDTSevere Thunderstorm WarningEWXBandera, Gillespie, Kendall, Kerr14 min
Apr 28, 11:16 PM CDTSpecial Weather StatementEWXKinney44 min
Apr 28, 11:20 PM CDTSevere Thunderstorm WarningEWXKinney, Maverick55 min
Apr 28, 11:31 PM CDTSevere Thunderstorm WarningEWXKinney, Maverick44 min
Apr 28, 11:36 PM CDTSevere Thunderstorm WarningEWXBandera, Real, Uvalde54 min
Apr 28, 11:41 PM CDTSevere Thunderstorm WarningEWXBandera, Gillespie, Kendall, Kerr49 min
Apr 28, 11:43 PM CDTSevere Thunderstorm WarningEWXMaverick, Zavala47 min
Apr 29, 12:01 AM CDTSevere Thunderstorm WarningEWXKinney, Maverick, Uvalde, Zavala44 min
Apr 29, 12:14 AM CDTSevere Thunderstorm WarningEWXUvalde, Zavala46 min
Apr 29, 12:27 AM CDTSevere Thunderstorm WarningEWXBandera, Kerr, Medina, Uvalde63 min
Apr 29, 12:30 AM CDTSpecial Weather StatementEWXGillespie45 min
Apr 29, 12:36 AM CDTSevere Thunderstorm WarningEWXFrio, Medina, Uvalde, Zavala54 min
Apr 29, 12:48 AM CDTSpecial Weather StatementEWXDimmit42 min
Apr 29, 12:59 AM CDTTornado WarningEWXFrio, Zavala14 min
Apr 29, 1:03 AM CDTTornado WarningEWXFrio, Medina, Uvalde27 min
Apr 29, 1:07 AM CDTSevere Thunderstorm WarningEWXMedina, Uvalde53 min
Apr 29, 1:22 AM CDTSevere Thunderstorm WarningEWXAtascosa, Bexar, Frio, Medina53 min
Apr 29, 1:28 AM CDTSpecial Weather StatementEWXKendall47 min
Apr 29, 1:33 AM CDTTornado WarningEWXMedina17 min
Apr 29, 1:48 AM CDTSevere Thunderstorm WarningEWXAtascosa, Bexar, Medina, Wilson21 min
Apr 29, 2:05 AM CDTAreal Flood AdvisoryEWXAtascosa, Bandera, Bexar, Medina, Uvalde3 hr
Apr 29, 2:09 AM CDTSpecial Weather StatementEWXBexar, Guadalupe, Wilson51 min
Apr 29, 2:18 AM CDTAreal Flood AdvisoryEWXBandera, Kendall, Kerr3 hr
Apr 29, 3:54 AM CDTSpecial Weather StatementEWXWilson36 min
Apr 29, 5:13 AM CDTSpecial Weather StatementEWXKendall32 min
Apr 29, 5:20 AM CDTSpecial Weather StatementEWXComal25 min
Apr 29, 2:22 PM CDTRiver Flood WarningEWXBexar6 hr

Nearby

Tornado Warnings in Texas, 2021Every tornado warning in 2021Tornadoes 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.