Alert archive / Texas / Tornado Warnings in 1996

Tornado Warning 7, NWS Austin/San Antonio, TX

September 20, 1996Burnet County, Travis County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Sep 20, 1996, 8:18 PM CDT for Burnet County, Travis County, Texas. It was in force for 57 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Sep 20, 1996, 8:18 PM CDT (01:18 UTC)
Expired
Sep 20, 1996, 9:15 PM CDT
In force
57 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties Burnet County, TX, Travis County, TX

What was reported inside it

TimeReportWhereRemark
Sep 20, 8:58 PM CDTTornado F1Lago Vista, TX

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 1.3 hours before the alert went out and 261 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, Fort Worth, TX at 00:00Z on 1996-09-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1680 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, Fort Worth, TX at 00:00Z on 1996-09-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 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
1680 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
961 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
125 m²/s²
Significant tornado parameter
0.9
Supercell composite
4.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 210117
TORSAT
TXC053-453-210215-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
818 PM CDT FRI SEP 20 1996
 
THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  915 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL TEXAS
 
   ...BURNET COUNTY...TRAVIS COUNTY
 
AT 815 PM...RADAR INDICATED A SEVERE THUNDERSTORM NEAR MARBLE FALLS.
THE STORM IS SHOWING INDICATIONS OF A DEVELOPING TORNADO AND
THE PUBLIC REPORTED A TORNADO ON THE GROUND NEAR SMITHWICK IN BURNET
COUNTY.
 
MOVEMENT WAS SOUTHEAST AT 20 MPH.
 
PEOPLE IN OR NEAR THE PATH OF THIS STORM SHOULD TAKE IMMEDIATE ACTION
TO PROTECT THEIR LIVES.  GO TO THE CENTER ON THE LOWEST FLOOR OF YOUR
BUILDING...COVER YOUR HEAD.  STAY AWAY FROM DOORS AND WINDOWS.  DO
NOT STAY IN MOBILE HOMES OR VEHICLES...GET INTO A STURDY BUILDING.

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 20, 7:46 PM CDTFlash Flood WarningEWXTravis, Williamson3 hr
Sep 20, 7:46 PM CDTSevere Thunderstorm WarningEWXTravis, Williamson3 hr
Sep 20, 7:56 PM CDTSevere Thunderstorm WarningEWXBurnet64 min
Sep 20, 8:56 PM CDTTornado WarningEWXTravis64 min
Sep 20, 9:16 PM CDTSevere Thunderstorm WarningEWXHays59 min
Sep 20, 9:33 PM CDTSevere Thunderstorm WarningEWXBastrop, Lee117 min
Sep 20, 10:10 PM CDTSevere Thunderstorm WarningEWXHays65 min
Sep 20, 10:31 PM CDTSevere Thunderstorm WarningEWXCaldwell59 min
Sep 20, 10:50 PM CDTSevere Thunderstorm WarningEWXComal, Guadalupe55 min
Sep 21, 12:08 AM CDTSevere Thunderstorm WarningEWXLavaca52 min
Sep 21, 12:09 AM CDTTornado WarningEWXLavaca51 min
Sep 21, 12:40 AM CDTTornado WarningEWXDeWitt65 min

Nearby

Tornado Warnings in Texas, 1996Every tornado warning in 1996Tornadoes in 1996

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.