Alert archive / Texas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 147, NWS Austin/San Antonio, TX

April 26, 1998Bastrop County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 26, 1998, 9:49 PM CDT for Bastrop County, Texas. It was in force for 61 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
Apr 26, 1998, 9:49 PM CDT (02:49 UTC)
Expired
Apr 26, 1998, 10:50 PM CDT
In force
61 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Bastrop County, TX

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 26, 7:45 PM CDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 2.8 hours before the alert went out and 264 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, Corpus Christi, TX at 00:00Z on 1998-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1881 joules per kilogram.LCLLFCEL10008507005003002001001 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, Corpus Christi, TX at 00:00Z on 1998-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -87 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
1881 J/kg
Mixed-layer CIN
-131 J/kg
Mixed-layer LCL
763 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
-87 m²/s²
0-3 km storm-relative helicity
-110 m²/s²
Significant tornado parameter
-0.5
Supercell composite
-5.3

Open this sounding in Storm Lab

The text

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

287 
WUUS1 KSAT 270250 RRA
SVRSAT
TXC021-270350-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
949 PM CDT SUN APR 26 1998

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

* SEVERE THUNDERSTORM WARNING FOR...
  BASTROP COUNTY IN SOUTH CENTRAL TEXAS

* UNTIL 1050 PM CDT


* AT 945 PM CDT... A SEVERE THUNDERSTORM WAS INDICATED 10 WEST OF
  BASTROP... BY NATIONAL WEATHER SERVICE RADAR... MOVING EAST-
  SOUTHEAST 30 MPH.

* THE SEVERE THUNDERSTORM IS EXPECTED TO BE NEAR-
  BASTROP AT 10 PM CDT
  SMITHVILLE AT 1015 PM CDT

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH...
DESTRUCTIVE HAIL... DEADLY LIGHTNING... AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT
DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

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, Apr 26, 5:00 PM CDT, 4 hours 49 minutes before
TXZ171>173-183>194-202>209-217>225-228-271200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
500 PM CDT SUN APR 26 1998

...TORNADO WATCH IN EFFECT UNTIL 9 PM CDT FOR A PORTION OF THE
   TEXAS HILL COUNTRY AND CENTRAL TEXAS...

SCATTERED SHOWERS OR THUNDERSTORMS...SOME POSSIBLY SEVERE...
ARE FORECAST THIS EVENING FOR A PORTION OF THE HILL COUNTRY AND
CENTRAL TEXAS.  AMOUNTS WILL AVERAGE NEAR A QUARTER OF AN INCH.
NO RAIN OF IMPORTANCE IS EXPECTED MONDAY.

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 FORECAST...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 NATIONAL WEATHER
SERVICE CENTRAL AND SOUTH CENTRAL TEXAS HOME PAGE OF THE INTERNET
WORLD WIDE WEB AT WWW.SRH.NOAA.GOV/EWX OR TUNE TO THE VOICE OF THE
NATIONAL WEATHER SERVICE...NOAA WEATHER RADIO...OPERATING ON A
FREQUENCY BETWEEN 162.400 MHZ AND 162.550 MHZ.
Special weather statement, Apr 26, 5:00 PM CDT, 4 hours 49 minutes before
TXZ171>173-183>194-202>209-217>225-228-271200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
500 PM CDT SUN APR 26 1998

...TORNADO WATCH IN EFFECT UNTIL 9 PM CDT FOR A PORTION OF THE
   TEXAS HILL COUNTRY AND CENTRAL TEXAS...

SCATTERED SHOWERS OR THUNDERSTORMS...SOME POSSIBLY SEVERE...
ARE FORECAST THIS EVENING FOR A PORTION OF THE HILL COUNTRY AND
CENTRAL TEXAS.  AMOUNTS WILL AVERAGE NEAR A QUARTER OF AN INCH.
NO RAIN OF IMPORTANCE IS EXPECTED MONDAY.

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 FORECAST...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 NATIONAL WEATHER
SERVICE CENTRAL AND SOUTH CENTRAL TEXAS HOME PAGE OF THE INTERNET
WORLD WIDE WEB AT WWW.SRH.NOAA.GOV/EWX OR TUNE TO THE VOICE OF THE
NATIONAL WEATHER SERVICE...NOAA WEATHER RADIO...OPERATING ON A
FREQUENCY BETWEEN 162.400 MHZ AND 162.550 MHZ.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 26, 7:12 PM CDTSevere Thunderstorm WarningEWXBurnet58 min
Apr 26, 8:03 PM CDTSevere Thunderstorm WarningEWXBlanco62 min
Apr 26, 8:30 PM CDTSevere Thunderstorm WarningEWXTravis90 min
Apr 26, 8:40 PM CDTTornado WarningEWXTravis90 min
Apr 27, 3:29 AM CDTSevere Thunderstorm WarningEWXDimmit31 min
Apr 27, 3:56 AM CDTSevere Thunderstorm WarningEWXDimmit34 min
Apr 27, 5:49 AM CDTSevere Thunderstorm WarningEWXDimmit61 min
Apr 27, 4:47 PM CDTSevere Thunderstorm WarningEWXFayette, Lee63 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.