Alert archive / Texas / Tornado Warnings in 2019

Tornado Warning 6, NWS Austin/San Antonio, TX

April 13, 2019Bexar County, Medina County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Apr 13, 2019, 9:19 AM CDT for Bexar County, Medina County, Texas. It was in force for 26 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 13, 2019, 9:19 AM CDT (14:19 UTC)
Expired
Apr 13, 2019, 9:45 AM CDT
In force
26 min
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Bexar County, TX, Medina County, TX

The radar

The Austin/San Antonio radar (KEWX), 61 km from the middle of the area, began a volume at 14:18 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 13, 9:30 AM CDTTSTM WND DMG2 W Grey Forest, TXREPORT OF KNOCKED DOWN FENCES AND TREE LIMBS.
Apr 13, 9:30 AM CDTHAIL 31 Ene Helotes, TXPICTURE OF 3 INCH HAIL SENT TO THE OFFICE.
Apr 13, 9:30 AM CDTHAIL 3The Dominion, TXIMAGES SHOWING DAMAGE TO VEHICLES WITH BROKEN WINDOWS IN THE DOMINION COUNTRY CLUB FROM LARGE HAIL.
Apr 13, 9:38 AM CDTHAIL 1.51 Ese Helotes, TXRECEIVED NUMEROUS REPORTS OF QUARTER TO PING PONG SIZE HAIL IN HELOTES.
Apr 13, 9:38 AM CDTHAIL 1.753 Wnw Shavano Park, TXSTORM SPOTTER AT SIX FLAGS CALLED IN WITH REPORT OF GOLFBALL SIZE HAIL.
Apr 13, 9:40 AM CDTHAIL 2.753 S The Dominion, TXPUBLIC CALLED IN A REPORT OF BASEBALL SIZE HAIL JUST NORTH OF SIX FLAGS, IN A NEIGHBORHOOD DEVELOPMENT ON WISHATA WAY.
Apr 13, 9:48 AM CDTHAIL 3The Dominion, TXRECEIVED TWO REPORTS NEAR THE DOMINION AREA OF 3 INCH HAIL.

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 13, 1:50 AM CDTTornado WatchSPC8 hr
Apr 13, 8:38 AM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Del Rio, TX (KDLF), launched 12:00Z, 2.3 hours before the alert went out and 213 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 2019-04-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1793 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 2019-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 272 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
1793 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
517 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
272 m²/s²
0-3 km storm-relative helicity
304 m²/s²
Significant tornado parameter
2.4
Supercell composite
12.3

Open this sounding in Storm Lab

The text

As transmitted.

641 
WFUS54 KEWX 131419
TOREWX
TXC029-325-131445-
/O.NEW.KEWX.TO.W.0006.190413T1419Z-190413T1445Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Austin/San Antonio TX
919 AM CDT Sat Apr 13 2019

The National Weather Service in Austin San Antonio has issued a

* Tornado Warning for...
  Eastern Medina County in south central Texas...
  Northwestern Bexar County in south central Texas...

* Until 945 AM CDT.
    
* At 918 AM CDT, a severe thunderstorm capable of producing a tornado
  was located near Government Canyon State Natural Area, or 14 miles
  south of Boerne, moving east at 35 mph.

  HAZARD...Tornado and quarter 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, Helotes, Fair Oaks Ranch, Shavano Park, Cross
  Mountain, Leon Springs, The Dominion, Government Canyon State
  Natural Area, Cliff, Grey Forest, San Geronimo, Fiesta Texas and
  Scenic Oaks.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 2957 9850 2952 9884 2962 9887 2965 9884
      2975 9859 2974 9858 2975 9856
TIME...MOT...LOC 1418Z 251DEG 30KT 2959 9880 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

BMW
1 follow-up statement
707 
WWUS54 KEWX 131428
SVSEWX

Severe Weather Statement
National Weather Service Austin/San Antonio TX
928 AM CDT Sat Apr 13 2019

TXC325-131438-
/O.CAN.KEWX.TO.W.0006.000000T0000Z-190413T1445Z/
Medina TX-
928 AM CDT Sat Apr 13 2019

...THE TORNADO WARNING FOR EASTERN MEDINA COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 300 PM CDT for
south central Texas.

LAT...LON 2957 9850 2956 9875 2966 9879 2975 9859
      2974 9858 2975 9856
TIME...MOT...LOC 1428Z 251DEG 30KT 2962 9871 

$$

TXC029-131445-
/O.CON.KEWX.TO.W.0006.000000T0000Z-190413T1445Z/
Bexar TX-
928 AM CDT Sat Apr 13 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 AM CDT FOR
NORTHWESTERN BEXAR COUNTY...
    
At 928 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Cross Mountain, or 12 miles south of Boerne, moving
east at 35 mph.

HAZARD...Tornado and quarter 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, Helotes, Fair Oaks Ranch, Shavano Park, Cross Mountain,
Leon Springs, The Dominion, Government Canyon State Natural Area,
Grey Forest, Fiesta Texas and Scenic Oaks.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 2957 9850 2956 9875 2966 9879 2975 9859
      2974 9858 2975 9856
TIME...MOT...LOC 1428Z 251DEG 30KT 2962 9871 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

BMW

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 13, 2:10 AM CDTSpecial Weather StatementEWXKimble35 min
Apr 13, 3:24 AM CDTWind AdvisoryEWXAtascosa, Bandera, Bexar, Blanco, Burnet, Comal and 17 more22 hr
Apr 13, 3:39 AM CDTSpecial Weather StatementEWXKinney51 min
Apr 13, 4:25 AM CDTSevere Thunderstorm WarningEWXKinney, Val Verde50 min
Apr 13, 5:10 AM CDTTornado WarningEWXKinney50 min
Apr 13, 5:43 AM CDTSevere Thunderstorm WarningEWXKinney47 min
Apr 13, 6:23 AM CDTSevere Thunderstorm WarningEWXKinney, Uvalde67 min
Apr 13, 6:50 AM CDTTornado WarningEWXUvalde25 min
Apr 13, 7:17 AM CDTSpecial Weather StatementEWXKinney43 min
Apr 13, 7:20 AM CDTSevere Thunderstorm WarningEWXMedina, Uvalde55 min
Apr 13, 7:30 AM CDTSevere Thunderstorm WarningEWXKinney, Maverick, Val Verde60 min
Apr 13, 8:07 AM CDTTornado WarningEWXMedina23 min
Apr 13, 8:12 AM CDTSevere Thunderstorm WarningEWXMedina63 min
Apr 13, 8:20 AM CDTSpecial Weather StatementEWXTravis55 min
Apr 13, 8:22 AM CDTSpecial Weather StatementEWXReal, Uvalde53 min
Apr 13, 8:51 AM CDTTornado WarningEWXBandera, Medina24 min
Apr 13, 9:00 AM CDTSpecial Weather StatementEWXZavala60 min
Apr 13, 9:00 AM CDTSevere Thunderstorm WarningEWXBandera, Bexar, Kendall, Medina60 min
Apr 13, 9:04 AM CDTSpecial Weather StatementEWXWilliamson41 min
Apr 13, 9:11 AM CDTAreal Flood AdvisoryEWXTravis, Williamson3 hr
Apr 13, 9:35 AM CDTSevere Thunderstorm WarningEWXFrio, Zavala55 min
Apr 13, 9:37 AM CDTSevere Thunderstorm WarningEWXBexar, Comal53 min
Apr 13, 10:08 AM CDTSpecial Weather StatementEWXFrio52 min
Apr 13, 10:09 AM CDTSpecial Weather StatementEWXBlanco, Burnet, Caldwell, Comal, Hays, Kendall and 2 more66 min
Apr 13, 10:19 AM CDTSpecial Weather StatementEWXBexar41 min
Apr 13, 10:29 AM CDTSevere Thunderstorm WarningEWXComal, Hays29 min
Apr 13, 10:40 AM CDTSevere Thunderstorm WarningEWXAtascosa, Frio44 min
Apr 13, 10:50 AM CDTSevere Thunderstorm WarningEWXBexar, Guadalupe, Wilson55 min
Apr 13, 11:11 AM CDTSpecial Weather StatementEWXBastrop, Caldwell, Lee, Travis, Williamson64 min
Apr 13, 11:26 AM CDTSpecial Weather StatementEWXKarnes49 min
Apr 13, 11:27 AM CDTSpecial Weather StatementEWXBastrop48 min
Apr 13, 11:28 AM CDTSpecial Weather StatementEWXWilson47 min
Apr 13, 11:51 AM CDTSevere Thunderstorm WarningEWXBastrop, Lee39 min
Apr 13, 12:10 PM CDTSpecial Weather StatementEWXLee50 min
Apr 13, 12:32 PM CDTSpecial Weather StatementEWXLee43 min

Nearby

Tornado Warnings in Texas, 2019Every tornado warning in 2019Tornadoes in 2019

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.