Alert archive / Texas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 114, NWS Austin/San Antonio, TX

March 7, 1998Burnet County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 7, 1998, 4:51 PM CST for Burnet County, Texas. It was in force for 69 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 7, 1998, 4:51 PM CST (22:51 UTC)
Expired
Mar 7, 1998, 6:00 PM CST
In force
69 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Burnet County, TX

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 10.9 hours before the alert went out and 242 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 1998-03-07Temperature 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 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 12:00Z on 1998-03-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 102 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
492 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
102 m²/s²
0-3 km storm-relative helicity
168 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

765 
WUUS1 KSAT 072250 RRA
SVRSAT
TXC053-080000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
451 PM CST SAT MAR 7 1998
 
THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  600 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL TEXAS
 
   ...BURNET COUNTY
 
RADAR A SEVERE THUNDERSTORM ALONG HIGHWAY 29 NEAR LAKE BUCHANAN MOVING
EAST AT 35 TO 40 MPH. PEOPLE NEAR LAKE BUCHANAN AND IN THE TOWN OF
BURNET SHOULD MOVE INDOORS NOW.
 
SEVERE THUNDERSTORM WINDS CAN REACH SPEEDS OVER 60 MPH.  THESE WINDS
BLOW DOWN TREES...POWER LINES...AND SEVERELY DAMAGE MOBILE HOMES...
SOMETIMES BUILDINGS.  VERY LARGE HAIL CAN INJURE ANYONE CAUGHT
OUTSIDE.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Mar 7, 4:27 PM CST, 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
427 PM CST SAT MAR 07 1998

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0415 PM    LLANO                     TX   1.75 INCH HAIL
03/07/98   LLANO                          8 TO 9 MILES WEWT OF
                                          LLANO NEAR HWY 152

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 7, 4:04 PM CSTSevere Thunderstorm WarningEWXLlano56 min
Mar 7, 4:13 PM CSTSevere Thunderstorm WarningEWXGillespie62 min
Mar 7, 4:39 PM CSTTornado WarningEWXLlano51 min
Mar 7, 5:01 PM CSTSevere Thunderstorm WarningEWXBlanco44 min
Mar 7, 5:08 PM CSTTornado WarningEWXBlanco52 min
Mar 7, 5:35 PM CSTSevere Thunderstorm WarningEWXHays, Travis40 min

Nearby

Severe Thunderstorm Warnings in Texas, 1998Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive.