Alert archive / Texas / Tornado Warnings in 2014

Tornado Warning 6, NWS Austin/San Antonio, TX

June 10, 2014Lavaca County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Jun 10, 2014, 1:31 AM CDT for Lavaca County, Texas. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 10, 2014, 1:31 AM CDT (06:31 UTC)
Expired
Jun 10, 2014, 2:00 AM CDT
In force
29 min
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon

County Lavaca County, TX

The radar

The Austin/San Antonio radar (KEWX), 131 km from the middle of the area, began a volume at 06:33 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.

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 6.5 hours before the alert went out and 201 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 2014-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1611 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 2014-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 square meters per square second.193958Sfc1 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
1611 J/kg
Mixed-layer CIN
-56 J/kg
Mixed-layer LCL
1185 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
96 m²/s²
Significant tornado parameter
0.5
Supercell composite
3.9

Open this sounding in Storm Lab

The text

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

024 
WFUS54 KEWX 100631
TOREWX
TXC285-100700-
/O.NEW.KEWX.TO.W.0006.140610T0631Z-140610T0700Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
131 AM CDT TUE JUN 10 2014

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN LAVACA COUNTY IN SOUTH CENTRAL TEXAS...

* UNTIL 200 AM CDT

* AT 129 AM CDT...NWS METEOROLOGISTS HAVE DETECTED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES NORTHEAST OF
  SUBLIME...OR 14 MILES SOUTHEAST OF SCHULENBURG...MOVING SOUTHEAST
  AT 45 MPH.

* THE TORNADO WILL BE NEAR...
  RURAL EASTERN LAVACA COUNTY AT 150 AM CDT

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
QUARTER SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

&&

LAT...LON 2932 9657 2920 9673 2962 9689 2962 9684
      2959 9683 2959 9680 2954 9674 2934 9656
      2933 9656
TIME...MOT...LOC 0631Z 325DEG 39KT 2953 9671

$$
1 follow-up statement
213 
WWUS54 KEWX 100648
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
148 AM CDT TUE JUN 10 2014

TXC285-100700-
/O.CON.KEWX.TO.W.0006.000000T0000Z-140610T0700Z/
LAVACA TX-
148 AM CDT TUE JUN 10 2014

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 AM CDT FOR EAST
CENTRAL LAVACA COUNTY...

AT 147 AM CDT...NWS METEOROLOGISTS CONTINUED TO DETECT A TORNADO. 
THIS TORNADO WAS LOCATED 12 MILES EAST OF VIENNA...OR 21 MILES EAST
OF HALLETTSVILLE...MOVING SOUTHEAST AT 45 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
QUARTER SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE 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.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

&&

LAT...LON 2932 9657 2920 9673 2954 9686 2957 9683
      2956 9683 2957 9679 2954 9674 2934 9656
      2933 9656
TIME...MOT...LOC 0649Z 325DEG 39KT 2937 9658

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 9, 7:24 PM CDTSpecial Weather StatementEWXComal36 min
Jun 9, 7:36 PM CDTSpecial Weather StatementEWXMilam9 min
Jun 9, 8:28 PM CDTSpecial Weather StatementEWXLee47 min
Jun 9, 8:39 PM CDTSevere Thunderstorm WarningEWXLee66 min
Jun 9, 9:03 PM CDTAreal Flood AdvisoryEWXLee117 min
Jun 9, 11:55 PM CDTAreal Flood AdvisoryEWXFayette3 hr
Jun 10, 12:40 AM CDTSpecial Weather StatementEWXFayette50 min
Jun 10, 1:06 AM CDTSevere Thunderstorm WarningEWXFayette, Lavaca24 min
Jun 10, 1:20 AM CDTAreal Flood AdvisoryEWXFayette2 hr
Jun 10, 2:03 AM CDTTornado WarningEWXLavaca27 min
Jun 10, 2:34 AM CDTSpecial Weather StatementEWXLavaca41 min
Jun 10, 3:21 AM CDTAreal Flood AdvisoryEWXLavaca3 hr
Jun 10, 3:47 AM CDTSpecial Weather StatementEWXLavaca43 min
Jun 10, 4:00 AM CDTSpecial Weather StatementEWXDeWitt45 min

Nearby

Tornado Warnings in Texas, 2014Every tornado warning in 2014Tornadoes in 2014

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.