Alert archive / Texas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 177, NWS Austin/San Antonio, TX

June 10, 1998Uvalde County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jun 10, 1998, 8:54 AM CDT for Uvalde County, Texas. It was in force for 61 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
Jun 10, 1998, 8:54 AM CDT (13:54 UTC)
Expired
Jun 10, 1998, 9:55 AM CDT
In force
61 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Uvalde County, TX

What was reported inside it

TimeReportWhereRemark
Jun 10, 9:30 AM CDTThunderstorm WindUvalde, TXA severe downburst knocked over numerous large tree limbs. The wind also knocked out power lines in the Uvalde area.

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

Del Rio, TX (KDRT), launched 12:00Z, 1.9 hours before the alert went out and 104 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 12:00Z on 1998-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2734 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 12:00Z on 1998-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 117 square meters per square second.193958Sfc1 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
2734 J/kg
Mixed-layer CIN
-71 J/kg
Mixed-layer LCL
805 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
117 m²/s²
0-3 km storm-relative helicity
129 m²/s²
Significant tornado parameter
1.1
Supercell composite
7.1

Open this sounding in Storm Lab

The text

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

100 
WUUS1 KSAT 101353 RRA
SVRSAT
TXC463-101455-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
854 AM CDT WED JUN 10 1998

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

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

* UNTIL 955 AM CDT


* AT 950 AM... A SEVERE THUNDERSTORM WAS INDICATED...BY
NATIONAL WEATHER SERVICE RADAR...IN SOUTHERN UVALDE COUNTY...
MOVING NORTH AT 20 MPH.

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, Jun 10, 5:40 AM CDT, 3 hours 14 minutes before
TXZ171>173-183>194-202>209-217>225-228-102300-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
540 AM CDT WED JUN 10 1998

AN UPPER LEVEL DISTURBANCE OVER NORTHWESTERN MEXICO WAS PRODUCING
SCATTERED SHOWERS AND THUNDERSTORMS OVER MEXICO THIS MORNING.

THIS DISTURBANCE WILL CONTINUE MOVING NORTHEAST TODAY SETTING OFF
MORE SHOWERS AND THUNDERSTORMS ACROSS TEXAS.  WIDELY SCATTERED
SHOWERS AND THUNDERSTORMS THIS MORNING OVER THE UPPER RIO GRANDE
AREA WILL BECOME MORE NUMEROUS THIS AFTERNOON AND TONIGHT ACROSS THE
TEXAS HILL COUNTRY AND SOUTH CENTRAL TEXAS.

SCATTERED SHOWERS AND THUNDERSTORMS WILL PRODUCE RAINFALL AMOUNTS
AROUND 1/4 INCH WITH STRONGEST STORMS PRODUCING NEAR 1 INCH.

CAUTION IS ADVISED ON LAKE AMISTAD TODAY FOR SOUTHEAST WINDS OF 15 TO
25 MPH.

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 Af
FREQUENCY BETWEEN 162.400 MHZ AND 162.550 MHZ.
Special weather statement, Jun 10, 5:40 AM CDT, 3 hours 14 minutes before
TXZ171>173-183>194-202>209-217>225-228-102300-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
540 AM CDT WED JUN 10 1998

AN UPPER LEVEL DISTURBANCE OVER NORTHWESTERN MEXICO WAS PRODUCING
SCATTERED SHOWERS AND THUNDERSTORMS OVER MEXICO THIS MORNING.

THIS DISTURBANCE WILL CONTINUE MOVING NORTHEAST TODAY SETTING OFF
MORE SHOWERS AND THUNDERSTORMS ACROSS TEXAS.  WIDELY SCATTERED
SHOWERS AND THUNDERSTORMS THIS MORNING OVER THE UPPER RIO GRANDE
AREA WILL BECOME MORE NUMEROUS THIS AFTERNOON AND TONIGHT ACROSS THE
TEXAS HILL COUNTRY AND SOUTH CENTRAL TEXAS.

SCATTERED SHOWERS AND THUNDERSTORMS WILL PRODUCE RAINFALL AMOUNTS
AROUND 1/4 INCH WITH STRONGEST STORMS PRODUCING NEAR 1 INCH.

CAUTION IS ADVISED ON LAKE AMISTAD TODAY FOR SOUTHEAST WINDS OF 15 TO
25 MPH.

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 Af
FREQUENCY BETWEEN 162.400 MHZ AND 162.550 MHZ.

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.