Alert archive / Texas / Tornado Warnings in 1998

Tornado Warning 25, NWS Austin/San Antonio, TX

August 29, 1998Travis County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Aug 29, 1998, 6:39 PM CDT for Travis County, Texas. It was in force for 61 min. 2 reports 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
Aug 29, 1998, 6:39 PM CDT (23:39 UTC)
Expired
Aug 29, 1998, 7:40 PM CDT
In force
61 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Travis County, TX

What was reported inside it

TimeReportWhereRemark
Aug 29, 6:40 PM CDTThunderstorm WindLake Travis, TX
Aug 29, 6:45 PM CDTTornado F1Lake Travis, 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 12:00Z, 11.7 hours before the alert went out and 281 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 12:00Z on 1998-08-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 402 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 12:00Z on 1998-08-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -28 square meters per square second.1939Sfc1 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
402 J/kg
Mixed-layer CIN
-132 J/kg
Mixed-layer LCL
1923 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-28 m²/s²
0-3 km storm-relative helicity
-11 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.

735 
WFUS1 KSAT 292341 RRA
TORSAT
TXC453-300040-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
639 PM CDT SAT AUG 29 1998

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A

* TORNADO WARNING FOR...
  TRAVIS COUNTY IN SOUTH CENTRAL TEXAS

* UNTIL 740 PM CDT

* AT 638 PM CDT...SEVERAL FUNNEL CLOUDS WERE REPORTED BY THE
  PUBLIC IN NORTH AUSTIN...MOVING WEST AROUND 10 MPH.

* SOME CITIES AND LOCATIONS IN THE PATH OF THIS STORM ARE...
  WEST LAKE HILLS BY 645 PM CDT...
  ROLLINGWOOD BY 650 PM CDT...


THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY. IF YOU ARE IN
THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF
AVAILABLE. OTHERWISE... GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR. AVOID WINDOWS AND DOORS. ABANDON CARS AND MOBILE HOMES FOR
A STURDIER BUILDING OR GET INTO A DITCH OR CULVERT

IF YOU ARE CAUGHT OUTSIDE...SEEK SAFETY IN A NEARBY STURDY
BUILDING. AS A LAST RESORT... SEEK REFUGE IN A CULVERT...
DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. BEWARE
THE THREAT OF RISING WATER.

&

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 29, 4:47 PM CDTSevere Thunderstorm WarningEWXBurnet43 min
Aug 29, 5:01 PM CDTFlash Flood WarningEWXVal Verde3 hr
Aug 29, 5:56 PM CDTSevere Thunderstorm WarningEWXVal Verde94 min
Aug 29, 6:14 PM CDTSevere Thunderstorm WarningEWXWilliamson61 min
Aug 29, 6:28 PM CDTSevere Thunderstorm WarningEWXTravis62 min
Aug 29, 6:31 PM CDTSevere Thunderstorm WarningEWXTravis59 min
Aug 29, 6:46 PM CDTTornado WarningEWXTravis59 min

Nearby

Tornado Warnings in Texas, 1998Every tornado warning in 1998Tornadoes in 1998

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.