Alert archive / Texas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 89, NWS Austin/San Antonio, TX

February 25, 1998Val Verde County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Feb 25, 1998, 8:52 PM CST for Val Verde County, Texas. It was in force for 38 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
Feb 25, 1998, 8:52 PM CST (02:52 UTC)
Expired
Feb 25, 1998, 9:30 PM CST
In force
38 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Val Verde County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 2.9 hours before the alert went out and 66 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 1998-02-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1064 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 1998-02-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 square meters per square second.1939587897117136Sfc1 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
1064 J/kg
Mixed-layer CIN
-96 J/kg
Mixed-layer LCL
2006 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
193 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.1

Open this sounding in Storm Lab

The text

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

777 
WUUS1 KSAT 260255 RRA
SVRSAT
TXC465-260330-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
852 PM CST WED FEB 25 1998
 
THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  930 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL TEXAS
 
   ...EASTERN VAL VERDE COUNTY
 
AT 855 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM JUST NORTH OF DEL RIO. DIME SIZE HAIL WAS REPORTED
WITH THIS STORM.
 
MOVEMENT WAS NORTHEAST AT 25 MPH TOWARD CARTA VALLEY.
 
SEVERE THUNDERSTORM WINDS CAN REACH SPEEDS OVER 60 MPH.  THESE WINDS
BLOW DOWN TREES...POWER LINES...AND SEVERELY DAMAGE MOBILE HOMES...
SOMETIMES BUILDINGS.  VERY LARGE HAIL CAN INJURE ANYONE CAUGHT
OUTSIDE.

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 25, 5:00 PM CST, 3 hours 52 minutes before
TXZ171>173-183>194-202>209-217>225-228-261200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
500 PM CST WED FEB 25 1998

...FLASH FLOOD WATCH IN EFFECT TONIGHT ALONG AND EAST OF AN AUSTIN-
   SAN ANTONIO-BEEVILLE LINE...

THE POTENTIAL FOR SEVERE THUNDERSTORMS EXISTS IN THE TEXAS HILL
COUNTRY AND SOUTH CENTRAL TEXAS TONIGHT AND THURSDAY MORNING.

LARGE HAIL, DAMAGING WINDS, FREQUENT LIGHTNING, LOCALLY HEAVY RAIN
AND FLASH FLOODING, AND POSSIBLE TORNADIC DEVELOPMENT EXISTS WITH
SEVERE THUNDERSTORMS.

ANOTHER UPPER-LEVEL STORM SYSTEM IS TRACKING EASTWARD ACROSS FAR
WEST TEXAS AND WILL MOVE OVER THE MOISTURE-RICH ATMOSPHERE OF
SOUTH CENTRAL TEXAS TONIGHT AND THURSDAY MORNING.

A FLASH FLOOD WATCH IS IN EFFECT TONIGHT AND THURSDAY MORNING FOR
A PORTION OF SOUTH CENTRAL TEXAS ALONG AND EAST OF AN AUSTIN-SAN
ANTONIO-BEEVILLE LINE AND FOR NEARLY ALL OF SOUTHEAST TEXAS.

AS THE STORMS DEVELOP TONIGHT, THEY WILL MOVE QUICKLY EASTWARD
ACROSS SOUTH CENTRAL TEXAS INTO SOUTHEAST TEXAS.

THIS STORM SYSTEM AGAIN HAS THE POTENTIAL TO PRODUCE SEVERE WEATHER.
RESIDENTS AND EMERGENCY MANAGEMENT OFFICIALS SHOULD CONTINUE TO
MONITOR THE VERY LATEST FORECAST AND ADVISORY ISSUED BY SOUTH TEXAS
WEATHER SERVICE OFFICES.  THESE BULLETINS WILL BE BROADCAST OVER TV
AND RADIO, PLUS CABLE TV, AND NOAA WEATHER RADIO STATIONS.

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 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 CLOSEST NOAA
WEATHER RADIO STATION OPERATING ON A FREQUENCY BETWEEN 162.400 MHz
AND 162.550 MHz.

MARCH 1 THROUGH MARCH 7 HAS BEEN PROCLAIMED SEVERE WEATHER AWARENESS
WEEK IN TEXAS.  BUT SEVERE WEATHER KNOWS NO CALENDAR BONDS, AND CAN
OCCUR ANYTIME OF THE YEAR, AND ANYTIME OF THE DAY OR NIGHT.  THANKS
TO THE EFFECTS OF EL NINO IN THE PACIFIC OCEAN, JANUARY AND FEBRUARY
HAVE BEEN PARTICULARLY ACTIVE, AND ALL INDICATIONS MARCH, APRIL, MAY
AND EARLY JUNE WILL CONTINUE THIS TREND.
Special weather statement, Feb 25, 5:00 PM CST, 3 hours 52 minutes before
TXZ171>173-183>194-202>209-217>225-228-261200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
500 PM CST WED FEB 25 1998

...FLASH FLOOD WATCH IN EFFECT TONIGHT ALONG AND EAST OF AN AUSTIN-
   SAN ANTONIO-BEEVILLE LINE...

THE POTENTIAL FOR SEVERE THUNDERSTORMS EXISTS IN THE TEXAS HILL
COUNTRY AND SOUTH CENTRAL TEXAS TONIGHT AND THURSDAY MORNING.

LARGE HAIL, DAMAGING WINDS, FREQUENT LIGHTNING, LOCALLY HEAVY RAIN
AND FLASH FLOODING, AND POSSIBLE TORNADIC DEVELOPMENT EXISTS WITH
SEVERE THUNDERSTORMS.

ANOTHER UPPER-LEVEL STORM SYSTEM IS TRACKING EASTWARD ACROSS FAR
WEST TEXAS AND WILL MOVE OVER THE MOISTURE-RICH ATMOSPHERE OF
SOUTH CENTRAL TEXAS TONIGHT AND THURSDAY MORNING.

A FLASH FLOOD WATCH IS IN EFFECT TONIGHT AND THURSDAY MORNING FOR
A PORTION OF SOUTH CENTRAL TEXAS ALONG AND EAST OF AN AUSTIN-SAN
ANTONIO-BEEVILLE LINE AND FOR NEARLY ALL OF SOUTHEAST TEXAS.

AS THE STORMS DEVELOP TONIGHT, THEY WILL MOVE QUICKLY EASTWARD
ACROSS SOUTH CENTRAL TEXAS INTO SOUTHEAST TEXAS.

THIS STORM SYSTEM AGAIN HAS THE POTENTIAL TO PRODUCE SEVERE WEATHER.
RESIDENTS AND EMERGENCY MANAGEMENT OFFICIALS SHOULD CONTINUE TO
MONITOR THE VERY LATEST FORECAST AND ADVISORY ISSUED BY SOUTH TEXAS
WEATHER SERVICE OFFICES.  THESE BULLETINS WILL BE BROADCAST OVER TV
AND RADIO, PLUS CABLE TV, AND NOAA WEATHER RADIO STATIONS.

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 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 CLOSEST NOAA
WEATHER RADIO STATION OPERATING ON A FREQUENCY BETWEEN 162.400 MHz
AND 162.550 MHz.

MARCH 1 THROUGH MARCH 7 HAS BEEN PROCLAIMED SEVERE WEATHER AWARENESS
WEEK IN TEXAS.  BUT SEVERE WEATHER KNOWS NO CALENDAR BONDS, AND CAN
OCCUR ANYTIME OF THE YEAR, AND ANYTIME OF THE DAY OR NIGHT.  THANKS
TO THE EFFECTS OF EL NINO IN THE PACIFIC OCEAN, JANUARY AND FEBRUARY
HAVE BEEN PARTICULARLY ACTIVE, AND ALL INDICATIONS MARCH, APRIL, MAY
AND EARLY JUNE WILL CONTINUE THIS TREND.
Local storm report, Feb 25, 8:21 PM CST, 31 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
820 PM CST WED FEB 26 1998

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

0555 PM    15 E COMSTOCK             TX   WIND DAMAGE
02/26/98   VAL VERDE                      CAMPGROUND SHELTERS DESTROYED.
                                          ESTIMATED 50-60 MPH GUSTS

0750 PM    4 N FREDERICKSBURG        TX   1.75 INCH HAIL
02/26/98   GILLESPIE                      DPS REPORTED MARBLE TO
                                          GOLFBALL HAIL.

0805 PM    PRAIRIE MOUNTAIN          TX   .75 INCH HAIL
02/26/98   LLANO                          HAM REPORT

0820 PM    SABINAL                   TX   1 INCH HAIL
02/26/98   UVALDE                         REPORTED BY HWY DEPT

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 25, 6:33 PM CSTSevere Thunderstorm WarningEWXEdwards57 min
Feb 25, 6:59 PM CSTSevere Thunderstorm WarningEWXKinney61 min
Feb 25, 7:28 PM CSTSevere Thunderstorm WarningEWXReal62 min
Feb 25, 7:37 PM CSTSevere Thunderstorm WarningEWXUvalde68 min
Feb 25, 7:56 PM CSTSevere Thunderstorm WarningEWXBandera, Kerr64 min
Feb 25, 7:56 PM CSTSevere Thunderstorm WarningEWXGillespie, Llano64 min
Feb 25, 8:08 PM CSTSevere Thunderstorm WarningEWXMedina67 min
Feb 25, 8:08 PM CSTSevere Thunderstorm WarningEWXKendall67 min
Feb 25, 8:26 PM CSTTornado WarningEWXMedina, Uvalde64 min
Feb 25, 8:39 PM CSTSevere Thunderstorm WarningEWXBexar66 min
Feb 25, 8:39 PM CSTSevere Thunderstorm WarningEWXBlanco, Burnet66 min
Feb 25, 8:39 PM CSTSevere Thunderstorm WarningEWXFrio, Zavala66 min
Feb 25, 8:48 PM CSTTornado WarningEWXMedina57 min
Feb 25, 9:01 PM CSTSevere Thunderstorm WarningEWXComal59 min
Feb 25, 9:09 PM CSTTornado WarningEWXAtascosa, Bexar51 min
Feb 25, 9:11 PM CSTSevere Thunderstorm WarningEWXHays, Travis64 min
Feb 25, 9:11 PM CSTSevere Thunderstorm WarningEWXWilliamson64 min
Feb 25, 9:48 PM CSTSevere Thunderstorm WarningEWXGuadalupe57 min
Feb 25, 10:03 PM CSTSevere Thunderstorm WarningEWXBexar57 min
Feb 25, 10:36 PM CSTSevere Thunderstorm WarningEWXBastrop, Caldwell69 min
Feb 25, 11:08 PM CSTSevere Thunderstorm WarningEWXFrio52 min
Feb 25, 11:25 PM CSTSevere Thunderstorm WarningEWXFayette65 min
Feb 25, 11:31 PM CSTSevere Thunderstorm WarningEWXAtascosa29 min
Feb 25, 11:39 PM CSTSevere Thunderstorm WarningEWXBandera51 min
Feb 26, 12:41 AM CSTSevere Thunderstorm WarningEWXBexar, Comal64 min
Feb 26, 12:48 AM CSTSevere Thunderstorm WarningEWXCaldwell, Guadalupe, Hays57 min
Feb 26, 12:56 AM CSTSevere Thunderstorm WarningEWXBastrop64 min
Feb 26, 1:15 AM CSTSevere Thunderstorm WarningEWXLavaca45 min
Feb 26, 1:15 AM CSTSevere Thunderstorm WarningEWXLee45 min
Feb 26, 1:41 AM CSTSevere Thunderstorm WarningEWXAtascosa, Bexar34 min
Feb 26, 1:57 AM CSTSevere Thunderstorm WarningEWXMedina33 min
Feb 26, 2:21 AM CSTSevere Thunderstorm WarningEWXAtascosa, Bexar, Guadalupe, Wilson69 min
Feb 26, 2:26 AM CSTSevere Thunderstorm WarningEWXComal64 min
Feb 26, 2:35 AM CSTFlash Flood WarningEWXFayette, Lavaca4 hr
Feb 26, 2:44 AM CSTSevere Thunderstorm WarningEWXKarnes61 min
Feb 26, 2:49 AM CSTSevere Thunderstorm WarningEWXCaldwell, Gonzales56 min
Feb 26, 3:31 AM CSTSevere Thunderstorm WarningEWXDeWitt, Lavaca59 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.