Alert archive / Texas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 151, NWS Austin/San Antonio, TX

April 27, 1998Fayette County, Lee County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 27, 1998, 4:47 PM CDT for Fayette County, Lee County, Texas. It was in force for 63 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
Apr 27, 1998, 4:47 PM CDT (21:47 UTC)
Expired
Apr 27, 1998, 5:50 PM CDT
In force
63 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties Fayette County, TX, Lee County, TX

The radar

The Ft Hood radar (KGRK), 82 km from the middle of the area, began a volume at 21:47 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Apr 27, 5:15 PM CDTHail 1.5La Grange, 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

Corpus Christi, TX (KCRP), launched 12:00Z, 9.8 hours before the alert went out and 266 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 12:00Z on 1998-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1475 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 12:00Z on 1998-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 72 square meters per square second.1939587897Sfc1 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
1475 J/kg
Mixed-layer CIN
-59 J/kg
Mixed-layer LCL
488 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
72 m²/s²
0-3 km storm-relative helicity
-1 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.3

Open this sounding in Storm Lab

The text

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

706 
WUUS1 KSAT 272148 RRA
SVRSAT
TXC149-287-272250-

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

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

* SEVERE THUNDERSTORM WARNING FOR...
  LEE COUNTY IN SOUTH CENTRAL TEXAS
  FAYETTE COUNTY IN SOUTH CENTRAL TEXAS

* UNTIL 550 PM CDT


* AT AT 445 PM CDT...SEVERE THUNDERSTORMS WERE INDICATED 5 MILES
  WEST OF WEST POINT AND 5 MILES SOUTHWEST OF LINCOLN... BY
  NATIONAL WEATHER SERVICE RADAR... MOVING NORTHEAST AT 35 MPH.

* THE SEVERE THUNDERSTORMS ARE EXPECTED TO BE NEAR-
  WEST POINT 455 PM CDT
  WINCHESTER 500 PM CDT
  WARDA 505 PM CDT

  LINCOLN 455 PM CDT
  DIME BOX 505 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.

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, 5:49 AM CDTSevere Thunderstorm WarningEWXDimmit61 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; radar from the NEXRAD Level II archive.