Alert archive / Texas / Tornado Warnings in 2017

Tornado Warning 3, NWS Austin/San Antonio, TX

February 19, 2017Bexar County, Comal County, Guadalupe County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Feb 19, 2017, 10:39 PM CST for Bexar County, Comal County, Guadalupe County, Texas. It was in force for 36 min. 12 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
Feb 19, 2017, 10:39 PM CST (04:39 UTC)
Expired
Feb 19, 2017, 11:15 PM CST
In force
36 min
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Bexar County, TX, Comal County, TX, Guadalupe County, TX

The radar

The Austin/San Antonio radar (KEWX), 40 km from the middle of the area, began a volume at 04:40 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
Feb 19, 10:42 PM CSTTORNADO5 Sw Universal City, TXEF-0 DAMAGE WAS FOUND ALONG A PATH FROM 5SW OF UNIVERSAL CITY TO 3SW OF UNIVERSAL CITY.
Feb 19, 10:43 PM CSTTORNADO3 Nw Windcrest, TXEF-1 DAMAGE WAS FOUND ALONG A PATH FROM 3NW OF WINDCREST TO 5WNW OF UNIVERSAL CITY.
Feb 19, 10:45 PM CSTTSTM WND DMG1 N Alamo Heights, TXPOSSIBLE TORNADO DAMAGE BROADWAY AND NACOGDOCHES... APARTMENT ROOF BLOWN OFF... POWER LINES TO THE GROUND.
Feb 19, 10:45 PM CSTTSTM WND DMG2 Nne Alamo Heights, TXREPORT VIA SOCIAL MEDIA NEAR WOODRIDGE ELEMENTARY... ROOFS BLOWN OFF... TREES DOWN.
Feb 19, 10:50 PM CSTTSTM WND DMG1 N Alamo Heights, TXCALLER REPORTED LARGE TREES IN THE ROAD AND TRAFFIC LIGHTS DOWN. POSSIBLE TORNADO
Feb 19, 10:50 PM CSTTSTM WND DMG2 Se Windcrest, TXPOSSIBLE TORNADO DAMAGE REPORTED. APARTMENT COMPLEX WITH ROOF BLOWN OFF... 2-3 HOUSE WITH SERIOUS DAMAGE AND SEVERAL OTHERS WITH MODERATE TO MINOR DAMAGE.
Feb 19, 10:50 PM CSTTSTM WND DMG3 Nw Live Oak, TXSOCIAL MEDIA REPORT POSSIBLE TORNADO DAMAGE... ROOF CAVED IN.
Feb 19, 10:50 PM CSTTSTM WND DMG3 Wnw Live Oak, TXREPORT VIA SOCIAL MEDIA... LARGE POWER TOWER MANGLED.
Feb 19, 10:55 PM CSTTSTM WND DMG3 Nw Live Oak, TXPOSSIBLE TORNADO CONFIRMED. CALLER REPORTED TREES DOWN... HOMES DAMAGED... POWER LINES DOWN.
Feb 19, 11:00 PM CSTTSTM WND DMG2 Ene Selma, TXLARGE HIGHWAY SIGN DOWN ALONG INTERSTATE 35 AT SCHERTZ PARKWAY
Feb 19, 11:00 PM CSTTSTM WND DMG3 Nne Garden Ridge, TXMULTIPLE REPORTS OF DAMAGE IN THIS AREA ALONG A HALF MILE STRETCH OF CEDAR CREEK DRIVE. SEVERAL POWER LINES DOWN WITH SMALL TREES ON ROOFS.
Feb 19, 11:00 PM CSTTORNADO3 Ne Garden Ridge, TXEF-0 DAMAGE WAS FOUND ALONG A PATH FROM 3NE OF GARDEN RIDGE TO 4NE OF GARDEN RIDGE.

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
Feb 19, 6:18 PM CSTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 4.7 hours before the alert went out and 225 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, Corpus Christi, TX at 00:00Z on 2017-02-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1800 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, Corpus Christi, TX at 00:00Z on 2017-02-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 178 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
1800 J/kg
Mixed-layer CIN
-144 J/kg
Mixed-layer LCL
663 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
178 m²/s²
0-3 km storm-relative helicity
139 m²/s²
Significant tornado parameter
0.4
Supercell composite
9.8

Open this sounding in Storm Lab

The text

As transmitted.

005 
WFUS54 KEWX 200439
TOREWX
TXC029-091-187-200515-
/O.NEW.KEWX.TO.W.0003.170220T0439Z-170220T0515Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Austin/San Antonio TX
1039 PM CST SUN FEB 19 2017

The National Weather Service in Austin San Antonio has issued a

* Tornado Warning for...
  West central Guadalupe County in south central Texas...
  Northeastern Bexar County in south central Texas...
  South central Comal County in south central Texas...

* Until 1115 PM CST
    
* At 1038 PM CST, a severe thunderstorm capable of producing a
  tornado was located over San Antonio Int Ap, moving northeast at 35
  mph.

  HAZARD...Tornado. 

  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, Schertz, Cibolo, Universal City, Live Oak, Selma,
  Randolph AFB, San Antonio Int Ap, Kirby, Alamo Heights, Windcrest,
  Terrell Hills, Bulverde, Garden Ridge, Hollywood Park, Olmos Park,
  Marion, Santa Clara, Timberwood Park and Converse.

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.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 2939 9845 2952 9860 2978 9833 2957 9812
TIME...MOT...LOC 0438Z 217DEG 29KT 2952 9847 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

MO
5 follow-up statements
673 
WWUS54 KEWX 200442
SVSEWX

Severe Weather Statement
National Weather Service Austin/San Antonio TX
1042 PM CST SUN FEB 19 2017

TXC029-091-187-200515-
/O.CON.KEWX.TO.W.0003.000000T0000Z-170220T0515Z/
Guadalupe TX-Bexar TX-Comal TX-
1042 PM CST SUN FEB 19 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CST FOR WEST
CENTRAL GUADALUPE...NORTHEASTERN BEXAR AND SOUTH CENTRAL COMAL
COUNTIES...

At 1041 PM CST, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located over
San Antonio Int Ap, moving northeast at 25 mph.

HAZARD...Tornado. 

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, Schertz, Cibolo, Universal City, Live Oak, Selma,
Randolph AFB, San Antonio Int Ap, Kirby, Alamo Heights, Windcrest,
Terrell Hills, Bulverde, Garden Ridge, Hollywood Park, Olmos Park,
Marion, Santa Clara, Converse and Castle Hills.

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.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 2941 9841 2953 9855 2978 9833 2957 9812
TIME...MOT...LOC 0441Z 228DEG 22KT 2951 9845 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

MO
235 
WWUS54 KEWX 200449
SVSEWX

Severe Weather Statement
National Weather Service Austin/San Antonio TX
1049 PM CST SUN FEB 19 2017

TXC029-091-187-200515-
/O.CON.KEWX.TO.W.0003.000000T0000Z-170220T0515Z/
Guadalupe TX-Bexar TX-Comal TX-
1049 PM CST SUN FEB 19 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CST FOR WEST
CENTRAL GUADALUPE...NORTHEASTERN BEXAR AND SOUTH CENTRAL COMAL
COUNTIES...

At 1045 PM CST, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located near 
Live Oak, moving northeast at 50 mph. Two rotations were noted, one 
near NACOGDOCHES Road and O'Conner Road, and another near Live Oak.

HAZARD...Tornado. 

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, Schertz, Cibolo, Universal City, Live Oak, Selma,
Randolph AFB, Windcrest, Bulverde, Garden Ridge, Marion, Santa Clara,
Converse and Bracken.

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.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 2946 9832 2958 9846 2978 9833 2957 9812
TIME...MOT...LOC 0445Z 230DEG 43KT 2957 9839 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

MO
096 
WWUS54 KEWX 200459
SVSEWX

Severe Weather Statement
National Weather Service Austin/San Antonio TX
1059 PM CST SUN FEB 19 2017

TXC029-091-187-200515-
/O.CON.KEWX.TO.W.0003.000000T0000Z-170220T0515Z/
Guadalupe TX-Bexar TX-Comal TX-
1059 PM CST SUN FEB 19 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CST FOR WEST
CENTRAL GUADALUPE...NORTHEASTERN BEXAR AND SOUTH CENTRAL COMAL
COUNTIES...

At 1058 PM CST, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located over 
Garden Ridge, or near Selma, moving northeast at 45 mph. Two 
circulations were detected on radar, one moving along Highway 78 
just east of Cibolo and a second in Garden Ridge near Schoenthal 
Road. 

HAZARD...Tornado. 

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...
Schertz, Cibolo, Universal City, Selma, Randolph AFB, Bulverde,
Garden Ridge, Marion, Santa Clara and Bracken.

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.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 2950 9824 2964 9841 2978 9833 2957 9812
TIME...MOT...LOC 0458Z 228DEG 37KT 2966 9828 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

MO
516 
WWUS54 KEWX 200505
SVSEWX

Severe Weather Statement
National Weather Service Austin/San Antonio TX
1105 PM CST SUN FEB 19 2017

TXC029-187-200514-
/O.CAN.KEWX.TO.W.0003.000000T0000Z-170220T0515Z/
Guadalupe TX-Bexar TX-
1105 PM CST SUN FEB 19 2017

...THE TORNADO WARNING FOR WEST CENTRAL GUADALUPE AND NORTHEASTERN
BEXAR COUNTIES IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of Guadalupe and Bexar Counties. Therefore, the warning has been 
cancelled.

A Severe Thunderstorm Watch remains in effect until midnight CST for
south central Texas.

LAT...LON 2974 9829 2964 9819 2963 9821 2963 9824
      2972 9833
TIME...MOT...LOC 0504Z 217DEG 29KT 2970 9824 

$$

TXC091-200515-
/O.CON.KEWX.TO.W.0003.000000T0000Z-170220T0515Z/
Comal TX-
1105 PM CST SUN FEB 19 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CST FOR SOUTH
CENTRAL COMAL COUNTY...

At 1104 PM CST, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located near
Garden Ridge, or 7 miles west of New Braunfels, moving northeast at
35 mph.

HAZARD...Tornado. 

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...
Schertz.

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.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 2974 9829 2964 9819 2963 9821 2963 9824
      2972 9833
TIME...MOT...LOC 0504Z 217DEG 29KT 2970 9824 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

MO
656 
WWUS54 KEWX 200512
SVSEWX

Severe Weather Statement
National Weather Service Austin/San Antonio TX
1112 PM CST SUN FEB 19 2017

TXC091-200520-
/O.EXP.KEWX.TO.W.0003.000000T0000Z-170220T0515Z/
Comal TX-
1112 PM CST SUN FEB 19 2017

...THE TORNADO WARNING FOR SOUTH CENTRAL COMAL COUNTY WILL EXPIRE AT
1115 PM CST...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning will be allowed to 
expire. A tornado warning remains in effect for a West central 
Guadalupe County and Southeastern Comal County  

A Severe Thunderstorm Watch remains in effect until midnight CST for 
south central Texas.

LAT...LON 2974 9829 2964 9819 2963 9821 2963 9824
      2972 9833
TIME...MOT...LOC 0510Z 217DEG 29KT 2974 9821 

$$

MO

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 19, 6:03 PM CSTAreal Flood AdvisoryEWXEdwards, Kinney, Maverick3 hr
Feb 19, 6:29 PM CSTSevere Thunderstorm WarningEWXEdwards, Kinney46 min
Feb 19, 6:33 PM CSTSpecial Weather StatementEWXKinney42 min
Feb 19, 7:08 PM CSTSpecial Weather StatementEWXKinney, Maverick52 min
Feb 19, 7:15 PM CSTSpecial Weather StatementEWXReal45 min
Feb 19, 7:20 PM CSTSevere Thunderstorm WarningEWXEdwards, Real55 min
Feb 19, 7:42 PM CSTFlash Flood WarningEWXKinney, Maverick3 hr
Feb 19, 7:57 PM CSTSevere Thunderstorm WarningEWXEdwards, Kerr, Real33 min
Feb 19, 8:06 PM CSTSevere Thunderstorm WarningEWXDimmit, Kinney, Maverick, Uvalde, Zavala39 min
Feb 19, 8:09 PM CSTSpecial Weather StatementEWXDimmit51 min
Feb 19, 8:13 PM CSTSpecial Weather StatementEWXKerr, Real62 min
Feb 19, 8:42 PM CSTSpecial Weather StatementEWXBandera, Frio, Medina48 min
Feb 19, 9:10 PM CSTSevere Thunderstorm WarningEWXMedina50 min
Feb 19, 9:31 PM CSTSpecial Weather StatementEWXAtascosa, Bandera, Bexar, Frio, Gillespie, Kendall and 1 more59 min
Feb 19, 10:16 PM CSTAreal Flood AdvisoryEWXBexar3 hr
Feb 19, 10:26 PM CSTSpecial Weather StatementEWXAtascosa, Bexar, Comal, Guadalupe, Karnes, Wilson64 min
Feb 19, 10:31 PM CSTSpecial Weather StatementEWXBlanco, Burnet, Hays, Travis, Williamson59 min
Feb 19, 10:34 PM CSTSevere Thunderstorm WarningEWXBexar, Comal, Guadalupe, Wilson40 min
Feb 19, 10:56 PM CSTSevere Thunderstorm WarningEWXBexar, Comal, Gonzales, Guadalupe, Hays, Wilson42 min
Feb 19, 11:01 PM CSTAreal Flood AdvisoryEWXBexar, Blanco, Comal, Kendall119 min
Feb 19, 11:02 PM CSTTornado WarningEWXComal, Guadalupe13 min
Feb 19, 11:22 PM CSTAreal Flood AdvisoryEWXBlanco, Burnet, Hays, Travis, Williamson113 min
Feb 19, 11:26 PM CSTFlash Flood WarningEWXBexar4 hr
Feb 19, 11:29 PM CSTTornado WarningEWXBastrop, Caldwell, Hays, Travis46 min
Feb 19, 11:31 PM CSTTornado WarningEWXCaldwell, Guadalupe, Hays29 min
Feb 19, 11:38 PM CSTSpecial Weather StatementEWXBurnet, Travis, Williamson37 min
Feb 19, 11:40 PM CSTAreal Flood AdvisoryEWXCaldwell, Guadalupe, Hays, Travis2 hr
Feb 19, 11:53 PM CSTSevere Thunderstorm WarningEWXBastrop, Caldwell, Hays, Travis37 min
Feb 20, 12:05 AM CSTTornado WarningEWXBastrop, Travis25 min
Feb 20, 12:19 AM CSTAreal Flood AdvisoryEWXBastrop, Caldwell, Lee, Travis, Williamson116 min
Feb 20, 12:22 AM CSTSevere Thunderstorm WarningEWXBastrop, Lee, Travis, Williamson53 min
Feb 20, 12:23 AM CSTTornado WarningEWXWilliamson22 min
Feb 20, 12:40 AM CSTSpecial Weather StatementEWXFayette, Gonzales50 min
Feb 20, 1:01 AM CSTSpecial Weather StatementEWXFayette, Lavaca, Lee44 min
Feb 20, 1:17 AM CSTRiver Flood WarningEWXBexar, Wilson43 hr
Feb 20, 1:38 AM CSTAreal Flood AdvisoryEWXBastrop, DeWitt, Fayette, Lavaca, Lee112 min
Feb 20, 1:48 AM CSTSpecial Weather StatementEWXFayette, Lavaca42 min
Feb 20, 2:02 AM CSTSpecial Weather StatementEWXDeWitt, Gonzales, Guadalupe, Karnes, Wilson73 min
Feb 20, 2:20 AM CSTAreal Flood AdvisoryEWXAtascosa, Guadalupe, Karnes, Wilson115 min
Feb 20, 2:53 AM CSTAreal Flood AdvisoryEWXBastrop, Caldwell, Fayette, Gonzales, Lee, Travis and 1 more112 min
Feb 20, 3:14 AM CSTAreal Flood AdvisoryEWXBexar106 min
Feb 20, 3:35 AM CSTAreal Flood AdvisoryEWXBastrop, DeWitt, Fayette, Karnes, Lavaca, Lee3 hr
Feb 20, 9:58 AM CSTRiver Flood WarningEWXKarnes, Wilson48 hr

Nearby

Tornado Warnings in Texas, 2017Every tornado warning in 2017Tornadoes in 2017

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.