Alert archive / Texas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 150, NWS Austin/San Antonio, TX

April 27, 1998Dimmit County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 27, 1998, 5:49 AM CDT for Dimmit 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 27, 1998, 5:49 AM CDT (10:49 UTC)
Expired
Apr 27, 1998, 6:50 AM CDT
In force
61 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Dimmit County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 10.8 hours before the alert went out and 149 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, Del Rio, TX at 00:00Z on 1998-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 530 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, Del Rio, TX at 00:00Z on 1998-04-27The 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
530 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
3149 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
127 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.8

Open this sounding in Storm Lab

The text

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

311 
WUUS1 KSAT 271050 RRA
SVRSAT
TXC127-271150-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
549 AM CDT MON APR 27 1998

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

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

* UNTIL 650 AM CDT


* AT 550 AM CDT... A SEVERE THUNDERSTORM WAS INDICATED 15 SW OF
  CATARINA... BY NATIONAL WEATHER SERVICE RADAR... MOVING NORTHEAST
  AT NEAR 20 MPH.

* THE SEVERE THUNDERSTORM IS EXPECTED TO BE NEAR-
  CATARINA SHORTLY AFTER 6 AM 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

Local storm report, Apr 27, 12:07 AM CDT, 5 hours 42 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
1159 PM CST SUN APR 26 1998

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

0714 PM    BLUFFTON                  TX   .88 INCH HAIL
04/26/98   LLANO                          REPORTED BY SHERIFF.

0735 PM    LAKE BUCHANAN             TX   60+ MPH TSTM GUST
04/26/98   BURNET                         SUSTAINED WIND REPORTED BY
                                          LCRA.

0840 PM    JOHNSON CITY              TX   60+ MPH TSTM GUST
04/26/98   BLANCO                         REPORTED BY SHERIFF.

0840 PM    JOHNSON CITY              TX   .75 INCH HAIL
04/26/98   BLANCO                         REPORTED BY SHERIFF.

0910 PM    BEE CAVE                  TX   TORNADO
04/26/98   TRAVIS                         PUBLIC REPORT.

0920 PM    BRIARCLIFF                TX   TORNADO
04/26/98   TRAVIS                z         PUBLIC REPORT.
Local storm report, Apr 27, 12:59 AM CDT, 4 hours 50 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
1159 PM CST SUN APR 26 1998

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

0714 PM    BLUFFTON                  TX   .88 INCH HAIL
04/26/98   LLANO                          REPORTED BY SHERIFF.

0735 PM    LAKE BUCHANAN             TX   60+ MPH TSTM GUST
04/26/98   BURNET                         SUSTAINED WIND REPORTED BY
                                          LCRA.

0840 PM    JOHNSON CITY              TX   60+ MPH TSTM GUST
04/26/98   BLANCO                         REPORTED BY SHERIFF.

0840 PM    JOHNSON CITY              TX   .75 INCH HAIL
04/26/98   BLANCO                         REPORTED BY SHERIFF.

0910 PM    BEE CAVE                  TX   TORNADO
04/26/98   TRAVIS                         PUBLIC REPORT.

0920 PM    BRIARCLIFF                TX   TORNADO
04/26/98   TRAVIS                         PUBLIC REPORT.
Local storm report, Apr 27, 4:18 AM CDT, 1 hour 31 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
418 AM CDT MON APR 27 1998

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

0350 AM    ASHERTON                  TX   1.75 INCH HAIL
04/27/98   DIMMIT                         REPORTED BY SHERIFF DEPT
Local storm report, Apr 27, 4:18 AM CDT, 1 hour 31 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
418 AM CDT MON APR 27 1998

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

0350 AM    ASHERTON                  TX   1.75 INCH HAIL
04/27/98   DIMMIT                         REPORTED BY SHERIFF DEPT

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 26, 9:49 PM CDTSevere Thunderstorm WarningEWXBastrop61 min
Apr 27, 3:29 AM CDTSevere Thunderstorm WarningEWXDimmit31 min
Apr 27, 3:56 AM CDTSevere Thunderstorm WarningEWXDimmit34 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.