Alert archive / Texas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 61, NWS Austin/San Antonio, TX

February 18, 1998Burnet County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Feb 18, 1998, 6:54 PM CST for Burnet County, Texas. It was in force for 66 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
Feb 18, 1998, 6:54 PM CST (00:54 UTC)
Expired
Feb 18, 1998, 8:00 PM CST
In force
66 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Burnet County, TX

What was reported inside it

TimeReportWhereRemark
Feb 18, 7:31 PM CSTHail 0.75Burnet, 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, 0.9 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 00:00Z on 1998-02-19Temperature 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 00:00Z on 1998-02-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 square meters per square second.1939587897117Sfc1 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
1200 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
85 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.

405 
WUUS1 KSAT 190055 RRA
SVRSAT
TXC053-190200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
654 PM CST WED FEB 18 1998
 
THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  800 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL TEXAS
 
   ...BURNET COUNTY
 
AT 653 PM NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM NEAR BLUFFTON IN LLANO COUNTY. THIS STORM IS MOVING
EAST AT 35 MPH AND WILL MOVE INTO BURNET COUNTY NEAR LAKE
BUCHANAN.  LARGE HAIL WAS REPORTED WITH THIS STORM IN LLANO
COUNTY.
 
PEOPLE IN THE PATH OF THIS STORM SHOULD BE ALERT TO THE POSSIBILITY
OF LARGE HAIL AND DAMAGING WINDS.  FREQUENT LIGHTNING AND LOCALLY
HEAVY RAIN CAN ALSO OCCUR WITH SEVERE THUNDERSTORMS...FLOODING SMALL
STREAMS...LOW AREAS...AND LOW WATER CROSSINGS.
 
 
 
&

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

Special weather statement, Feb 18, 6:00 PM CST, 54 minutes before
TXZ171>173-183>194-202>209-217>225-228-191200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
600 PM CST WED FEB 18 1998

AN UPPER DISTURBANCE WILL PUSH ACROSS SOUTH CENTRAL TEXAS TONIGHT
WITH SCATTERED THUNDERSTORMS POSSIBLE THIS EVENING..MAINLY OVER
EASTERN AND SOUTHERN SECTIONS.  SOME OF THESE STORMS COULD CONTAIN
LARGE HAIL. RAINFALL AMOUNTS SHOULD AVERAGE 1/2 INCH OVER SOUTHERN
AND EASTERN SECTIONS THIS EVENING WITH LOCAL AMOUNTS NEAR 2 INCHES
IN SOME OF THE HEAVIER STORMS.  HAZARDOUS WEATHER IS NOT EXPECTED
ON THURSDAY.

NEARBY HAZARDOUS WEATHER OUTLOOKS INCLUDE:
FOR SOUTHWEST TEXAS...FROM MIDLAND...LBBSPSMAF
FOR THE CONCHO VALLEY...FROM SAN ANGELO...LBBSPSSJT
FOR NORTH TEXAS...FROM FORT WORTH...FTWSPSFTW
FOR SOUTHEAST TEXAS...FROM HOUSTON/GALVESTON...SATSPSHOU
FOR COASTAL BEND/RIO GRANDE PLAINS...FROM CORPUS CHRISTI...SATSPSCRP.

THE HAZARDOUS WEATHER OUTLOOK NORMALLY WILL BE UPDATED BY MEANS OF
THE ZONE FORECASTS...SHORT TERM FORECASTS...WATCHES...WARNINGS AND
ADVISORIES.  THE HAZARDOUS WEATHER OUTLOOK ITSELF WILL BE UPDATED
ONLY IF UNEXPECTED HAZARDOUS WEATHER DEVELOPS OR IF EXPECTED
HAZARDOUS WEATHER NO LONGER IS FORECAST TO DEVELOP.

ADDITIONAL WEATHER INFORMATION IS AVAILABLE ON THE CENTRAL AND SOUTH
CENTRAL TEXAS HOME PAGE OF THE INTERNET WORLD WIDE WEB AT:
HTTP://WWW.SRH.NOAA.GOV/EWX OR TUNE TO THE CLOSEST NOAA WEATHER RADIO
STATION.
Special weather statement, Feb 18, 6:00 PM CST, 54 minutes before
TXZ171>173-183>194-202>209-217>225-228-191200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
600 PM CST WED FEB 18 1998

AN UPPER DISTURBANCE WILL PUSH ACROSS SOUTH CENTRAL TEXAS TONIGHT
WITH SCATTERED THUNDERSTORMS POSSIBLE THIS EVENING..MAINLY OVER
EASTERN AND SOUTHERN SECTIONS.  SOME OF THESE STORMS COULD CONTAIN
LARGE HAIL. RAINFALL AMOUNTS SHOULD AVERAGE 1/2 INCH OVER SOUTHERN
AND EASTERN SECTIONS THIS EVENING WITH LOCAL AMOUNTS NEAR 2 INCHES
IN SOME OF THE HEAVIER STORMS.  HAZARDOUS WEATHER IS NOT EXPECTED
ON THURSDAY.

NEARBY HAZARDOUS WEATHER OUTLOOKS INCLUDE:
FOR SOUTHWEST TEXAS...FROM MIDLAND...LBBSPSMAF
FOR THE CONCHO VALLEY...FROM SAN ANGELO...LBBSPSSJT
FOR NORTH TEXAS...FROM FORT WORTH...FTWSPSFTW
FOR SOUTHEAST TEXAS...FROM HOUSTON/GALVESTON...SATSPSHOU
FOR COASTAL BEND/RIO GRANDE PLAINS...FROM CORPUS CHRISTI...SATSPSCRP.

THE HAZARDOUS WEATHER OUTLOOK NORMALLY WILL BE UPDATED BY MEANS OF
THE ZONE FORECASTS...SHORT TERM FORECASTS...WATCHES...WARNINGS AND
ADVISORIES.  THE HAZARDOUS WEATHER OUTLOOK ITSELF WILL BE UPDATED
ONLY IF UNEXPECTED HAZARDOUS WEATHER DEVELOPS OR IF EXPECTED
HAZARDOUS WEATHER NO LONGER IS FORECAST TO DEVELOP.

ADDITIONAL WEATHER INFORMATION IS AVAILABLE ON THE CENTRAL AND SOUTH
CENTRAL TEXAS HOME PAGE OF THE INTERNET WORLD WIDE WEB AT:
HTTP://WWW.SRH.NOAA.GOV/EWX OR TUNE TO THE CLOSEST NOAA WEATHER RADIO
STATION.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 18, 6:03 PM CSTTornado WarningEWXAtascosa42 min
Feb 18, 6:04 PM CSTTornado WarningEWXWilson41 min
Feb 18, 6:17 PM CSTSevere Thunderstorm WarningEWXLlano58 min
Feb 18, 6:29 PM CSTSevere Thunderstorm WarningEWXKarnes46 min
Feb 18, 6:43 PM CSTTornado WarningEWXKarnes62 min
Feb 18, 6:49 PM CSTSevere Thunderstorm WarningEWXBastrop56 min
Feb 18, 7:03 PM CSTSevere Thunderstorm WarningEWXWilliamson57 min
Feb 18, 7:22 PM CSTSevere Thunderstorm WarningEWXDeWitt, Gonzales68 min
Feb 18, 7:40 PM CSTSevere Thunderstorm WarningEWXAtascosa65 min
Feb 18, 7:58 PM CSTSevere Thunderstorm WarningEWXFrio62 min
Feb 18, 8:14 PM CSTFlash Flood WarningEWXAtascosa3 hr
Feb 18, 8:48 PM CSTSevere Thunderstorm WarningEWXAtascosa57 min
Feb 18, 8:57 PM CSTSevere Thunderstorm WarningEWXKarnes63 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.