Alert archive / Texas / Tornado Warnings in 2012

Tornado Warning 16, NWS Austin/San Antonio, TX

May 10, 2012Gonzales County, Karnes County, Wilson County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at May 10, 2012, 1:15 PM CDT for Gonzales County, Karnes County, Wilson County, Texas. It was in force for 45 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
May 10, 2012, 1:15 PM CDT (18:15 UTC)
Expired
May 10, 2012, 2:00 PM CDT
In force
45 min
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon

Counties Gonzales County, TX, Karnes County, TX, Wilson County, TX

The radar

The Austin/San Antonio radar (KEWX), 56 km from the middle of the area, began a volume at 18:19 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
May 10, 1:22 PM CDTTSTM WND DMG1 S Stockdale, TXFIRE CHIEF REPORTED ROOFS DAMAGED...TREES DAMAGED...AND POWERLINES AND POWER POLES BLOWN DOWN JUST SOUTH OF STOCKDALE
May 10, 1:25 PM CDTTSTM WND DMG3 W Kosciusko, TX
May 10, 1:25 PM CDTHAIL 13 W Kosciusko, TX
May 10, 1:25 PM CDTHAIL 1.753 W Kosciusko, TX
May 10, 1:52 PM CDTTSTM WND DMG1 S Stockdale, TXFIRE CHIEF REPORTED ROOFS DAMAGED...TREES DAMAGED...AND POWERLINES AND POWER POLES BLOWN DOWN JUST SOUTH OF STOCKDALE

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
May 10, 11:40 AM CDTTornado WatchSPC8 hr
May 10, 12:32 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 6.3 hours before the alert went out and 174 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 12:00Z on 2012-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1593 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 12:00Z on 2012-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 square meters per square second.19395878Sfc1 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
1593 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
779 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
122 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

017 
WFUS54 KEWX 101815
TOREWX
TXC177-255-493-101900-
/O.NEW.KEWX.TO.W.0016.120510T1815Z-120510T1900Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
115 PM CDT THU MAY 10 2012

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN GONZALES COUNTY...
  NORTHEASTERN KARNES COUNTY...
  EASTERN WILSON COUNTY...

* UNTIL 200 PM CDT.

* AT 109 PM CDT...NWS METEOROLOGISTS HAVE DETECTED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR KOSCIUSKO...MOVING
  NORTHEAST AT 30 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE GILLETT...PANDORA...NIXON AND
  SMILEY.

THIS STORM WILL MOVE ACROSS HIGHWAYS 123 AND 119 SOUTH OF STOCKDALE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN A MOBILE HOME OR VEHICLE...GET OUT AND GO TO A STURDY
SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH
OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CDT THURSDAY EVENING
FOR SOUTH CENTRAL TEXAS. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN
EFFECT UNTIL 800 PM CDT THURSDAY EVENING FOR SOUTH CENTRAL TEXAS.

&&

LAT...LON 2946 9776 2921 9748 2895 9794 2914 9804
TIME...MOT...LOC 1815Z 228DEG 28KT 2911 9790

$$
2 follow-up statements
635 
WWUS54 KEWX 101828
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
128 PM CDT THU MAY 10 2012

TXC177-255-493-101900-
/O.CON.KEWX.TO.W.0016.000000T0000Z-120510T1900Z/
GONZALES TX-WILSON TX-KARNES TX-
128 PM CDT THU MAY 10 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 PM CDT FOR
NORTHEASTERN KARNES...EASTERN WILSON AND SOUTHWESTERN GONZALES
COUNTIES...

AT 123 PM CDT...NWS METEOROLOGISTS CONTINUED TO DETECT A TORNADO. 
THIS TORNADO WAS LOCATED NEAR KOSCIUSKO...MOVING NORTHEAST AT 25 MPH.

SOME LOCATIONS IN THE WARNING AREA INCLUDE GILLETT...PANDORA...
NIXON...SAMPLE...LEESVILLE AND SMILEY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS ON THE LOWEST FLOOR OF A
BUILDING IN AN INTERIOR HALLWAY...BATHROOM...OR CLOSET. COVER
YOURSELF WITH BLANKETS...PILLOWS OR EVEN A MATTRESS FOR BETTER
PROTECTION.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CDT THURSDAY EVENING
FOR SOUTH CENTRAL TEXAS. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN
EFFECT UNTIL 800 PM CDT THURSDAY EVENING FOR SOUTH CENTRAL TEXAS.

&&

LAT...LON 2946 9776 2921 9748 2895 9794 2914 9804
TIME...MOT...LOC 1828Z 234DEG 24KT 2913 9784

$$
136 
WWUS54 KEWX 101843
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
143 PM CDT THU MAY 10 2012

TXC177-255-493-101900-
/O.CON.KEWX.TO.W.0016.000000T0000Z-120510T1900Z/
GONZALES TX-WILSON TX-KARNES TX-
143 PM CDT THU MAY 10 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 PM CDT FOR
NORTHEASTERN KARNES...EAST CENTRAL WILSON AND SOUTHWESTERN GONZALES
COUNTIES...

AT 142 PM CDT...NWS METEOROLOGISTS CONTINUED TO DETECT A TORNADO. 
THIS TORNADO WAS LOCATED NEAR GILLETT...OR 11 MILES EAST OF
KOSCIUSKO...MOVING NORTHEAST AT 15 MPH.

SOME LOCATIONS IN THE WARNING AREA INCLUDE NIXON...SAMPLE...LEESVILLE
AND SMILEY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS ON THE LOWEST FLOOR OF A
BUILDING IN AN INTERIOR HALLWAY...BATHROOM...OR CLOSET. COVER
YOURSELF WITH BLANKETS...PILLOWS OR EVEN A MATTRESS FOR BETTER
PROTECTION.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CDT THURSDAY EVENING
FOR SOUTH CENTRAL TEXAS. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN
EFFECT UNTIL 800 PM CDT THURSDAY EVENING FOR SOUTH CENTRAL TEXAS.

&&

LAT...LON 2919 9793 2946 9776 2921 9748 2902 9782
TIME...MOT...LOC 1843Z 244DEG 14KT 2914 9776

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 10, 5:21 AM CDTSevere Thunderstorm WarningEWXVal Verde54 min
May 10, 6:12 AM CDTSevere Thunderstorm WarningEWXVal Verde63 min
May 10, 7:19 AM CDTSevere Thunderstorm WarningEWXEdwards, Val Verde44 min
May 10, 9:29 AM CDTSevere Thunderstorm WarningEWXDimmit, Frio, Zavala61 min
May 10, 10:30 AM CDTSevere Thunderstorm WarningEWXFrio60 min
May 10, 10:33 AM CDTAreal Flood AdvisoryEWXFrio117 min
May 10, 11:17 AM CDTSevere Thunderstorm WarningEWXAtascosa, Frio58 min
May 10, 11:32 AM CDTSevere Thunderstorm WarningEWXAtascosa, Wilson58 min
May 10, 12:02 PM CDTFlash Flood WarningEWXVal Verde3 hr
May 10, 12:14 PM CDTSevere Thunderstorm WarningEWXAtascosa, Frio31 min
May 10, 12:20 PM CDTAreal Flood AdvisoryEWXAtascosa, Frio2 hr
May 10, 12:40 PM CDTAreal Flood AdvisoryEWXBandera, Edwards, Kerr, Kinney, Real, Uvalde110 min
May 10, 1:04 PM CDTSevere Thunderstorm WarningEWXKarnes, Wilson56 min
May 10, 1:42 PM CDTTornado WarningEWXAtascosa33 min
May 10, 1:57 PM CDTTornado WarningEWXDeWitt, Gonzales, Karnes, Wilson33 min
May 10, 2:19 PM CDTFlash Flood WarningEWXAtascosa, DeWitt, Gonzales, Karnes, Wilson3 hr
May 10, 2:24 PM CDTSevere Thunderstorm WarningEWXKarnes51 min
May 10, 2:42 PM CDTTornado WarningEWXKarnes48 min
May 10, 2:49 PM CDTFlash Flood WarningEWXBandera, Edwards, Kerr, Real, Uvalde3 hr
May 10, 3:05 PM CDTTornado WarningEWXWilson40 min
May 10, 3:31 PM CDTTornado WarningEWXKarnes29 min
May 10, 3:40 PM CDTRiver Flood WarningEWXVal Verde31 hr
May 10, 3:45 PM CDTAreal Flood AdvisoryEWXDeWitt, Fayette, Gonzales, Lavaca105 min
May 10, 3:57 PM CDTTornado WarningEWXDeWitt, Karnes, Wilson33 min
May 10, 4:39 PM CDTFlash Flood WarningEWXBandera, Gillespie, Kerr81 min
May 10, 4:52 PM CDTSevere Thunderstorm WarningEWXDeWitt, Gonzales, Karnes29 min
May 10, 5:58 PM CDTFlash Flood WarningEWXBandera, Blanco, Burnet, Edwards, Gillespie, Kendall and 4 more3 hr
May 10, 5:58 PM CDTSevere Thunderstorm WarningEWXDimmit, Maverick, Uvalde, Zavala47 min
May 10, 6:11 PM CDTAreal Flood AdvisoryEWXDeWitt, Fayette, Karnes, Lavaca109 min
May 10, 6:41 PM CDTSevere Thunderstorm WarningEWXDimmit, Frio, Zavala49 min

Nearby

Tornado Warnings in Texas, 2012Every tornado warning in 2012Tornadoes in 2012

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.