Alert archive / Texas / Tornado Warnings in 1994

Tornado Warning 7, NWS Austin/San Antonio, TX

May 13, 1994Williamson County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at May 13, 1994, 12:42 PM CDT for Williamson County, Texas. It was in force for 48 min.

The area

The counties it named.

The facts

Issued
May 13, 1994, 12:42 PM CDT (17:42 UTC)
Expired
May 13, 1994, 1:30 PM CDT
In force
48 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Williamson County, TX

The nearest sounding before it

Stephenville/Cla, TX (KSEP), launched 12:00Z, 5.7 hours before the alert went out and 181 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, Stephenville/Cla, TX at 12:00Z on 1994-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Stephenville/Cla, TX at 12:00Z on 1994-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1510 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
55 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KAUS 131744
TORAUS
TXC491-131830-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN TX
1242 PM CDT FRI MAY 13 1994
 
THE NATIONAL WEATHER SERVICE IN AUSTIN HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  130 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL TEXAS
 
   ...WILLIAMSON COUNTY
 
AT 1240 PM CDT NEXRAD DOPPLER RADAR INDICATED A POSSIBLE TORNADO
IN SOUTHERN WILLIAMSON COUNTY. PEOPLE IN WILLIAMSON COUNTY SHOULD
TAKE COVER IMMEDIATELY.  THIS WAS MOVING TOWARDS THE NORTHEAST AT
30 MILES AN HOUR.
 
THIS WARNING UPGRADES THE PREVIOUS SEVERE THUNDERSTORM WARNING THAT
WAS IN EFFECT FOR WILLIAMSON COUNTY TO A TORNADO WARNING.
 
 
IF YOU ARE IN THE PAT|H OF A TORNADO...SEEK SHELTER IN AN INTERIOR
ROOM SUCH AS A CLOSET OR BATHROOM...ON THE LOWEST FLOOR. AVOID
WINDOWS AND PROTECT YOUR BODY FROM FLYING DEBRIS WITH CUSHIONS...
BLANKETS...OR PILLOWS.

The office that day

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

IssuedProductOfficeCountiesLasted
May 13, 1:36 AM CDTFlash Flood WarningEWXVal Verde94 min
May 13, 1:45 AM CDTFlash Flood WarningEWXSan Saba3 hr
May 13, 12:10 PM CDTSevere Thunderstorm WarningEWXTravis, Williamson65 min
May 13, 12:37 PM CDTTornado WarningEWXLavaca58 min
May 13, 1:20 PM CDTSevere Thunderstorm WarningEWXBexar, Comal, Guadalupe55 min
May 13, 1:20 PM CDTSevere Thunderstorm WarningEWXWilson55 min
May 13, 1:28 PM CDTTornado WarningEWXHays32 min
May 13, 1:37 PM CDTTornado WarningEWXLavaca8 min
May 13, 1:50 PM CDTSevere Thunderstorm WarningEWXAtascosa, Frio70 min
May 13, 2:25 PM CDTSevere Thunderstorm WarningEWXGonzales, Wilson65 min
May 13, 2:29 PM CDTSevere Thunderstorm WarningEWXDeWitt61 min
May 13, 2:45 PM CDTTornado WarningEWXDeWitt60 min
May 13, 2:47 PM CDTTornado WarningEWXBastrop28 min
May 13, 3:02 PM CDTSevere Thunderstorm WarningEWXMcMullen58 min
May 13, 3:11 PM CDTTornado WarningEWXFayette49 min
May 13, 3:50 PM CDTTornado WarningEWXDeWitt, Lavaca55 min
May 13, 4:25 PM CDTSevere Thunderstorm WarningEWXVictoria65 min

Nearby

Tornado Warnings in Texas, 1994Every tornado warning in 1994Tornadoes in 1994

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.