Alert archive / Texas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 1, NWS Austin/San Antonio, TX

January 5, 1998Burnet County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jan 5, 1998, 10:40 PM CST for Burnet County, Texas. It was in force for 50 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
Jan 5, 1998, 10:40 PM CST (04:40 UTC)
Expired
Jan 5, 1998, 11:30 PM CST
In force
50 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Burnet County, TX

The radar

The Ft Hood radar (KGRK), 77 km from the middle of the area, began a volume at 04:41 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.

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 4.7 hours before the alert went out and 242 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, Fort Worth, TX at 00:00Z on 1998-01-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 45 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, Fort Worth, TX at 00:00Z on 1998-01-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 105 square meters per square second.19395878Sfc1 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
45 J/kg
Mixed-layer CIN
-145 J/kg
Mixed-layer LCL
512 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
105 m²/s²
0-3 km storm-relative helicity
164 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

869 
WUUS1 KSAT 060442 RRA
SVRSAT
TXC053-060530-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1040 PM CST MON JAN 5 1998
 
THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1130 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL TEXAS
 
   ...NORTHERN BURNET COUNTY
 
AT 1039 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATE A
SEVERE THUNDERSTORM 5 MILES SOUTH OF DOBYVILLE. THE STORM WAS MOVING
NORTHEAST AT 20 MPH AND WILL MOVE ALONG AND ACROSS HIGHWAY 281.
 
 
PEOPLE IN THE PATH OF THIS STORM SHOULD BE ALERT TO THE POSSIBILITY
OF LARGE HAIL AND DAMAGING WINDS.  FREQUENT LIGHTNING AND LOCALLY
HEAVY RAIN CAN ALSO OCCUR WITH SEVERE THUNDERSTORMS...FLOODING SMALL
STREAMS...LOW AREAS...AND LOW WATER CROSSINGS.
 
IF YOU SEE SEVERE WEATHER TAKING PLACE...CALL YOUR REPORT TO
THE NEAREST LAW ENFORCEMENT AGENCY FOR IMMEDIATE RELAY TO THE
NATIONAL WEATHER SERVICE.

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, Jan 5, 5:55 PM CST, 4 hours 45 minutes before
TXZ171>173-183>194-202>209-217>225-228-061200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
555 PM CST MON JAN 5 1998

...FLASH FLOOD WATCH TONIGHT AND TUESDAY ACROSS PORTIONS OF SOUTH
CENTRAL TEXAS AND THE HILL COUNTRY...

CONDITIONS ARE FAVORABLE FOR HEAVY RAIN AND FLOODING EAST OF LLANO...
BURNET... SAN ANTONIO AND PLEASANTON.  THIS INCLUDES AUSTIN AND AREAS
EAST AND SOUTH TO HALLETTSVILLE AND KARNES CITY.

THE ATMOSPHERE ACROSS SOUTH CENTRAL TEXAS AND THE HILL COUNTRY
REMAINS VERY MOIST AND UNSTABLE.  WIDELY SCATTERED THUNDERSTORMS
CONTINUE TO DEVELOP THIS EVENING ACROSS CENTRAL AND EAST TEXAS.  NEW
STORMS COULD DEVELOP FARTHER SOUTH TONIGHT ACROSS THE HILL COUNTRY
AND EASTERN PORTIONS OF SOUTH CENTRAL TEXAS.  THESE STORMS HAVE A
HISTORY OF PRODUCING HEAVY RAIN AND FLOODING ACROSS NORTH... CENTRAL
AND EAST TEXAS OVER THE WEEKEND.

RAINFALL AMOUNTS FROM STRONGEST STORMS COULD REACH 2 INCHES.  WHERE
STORMS MERGE OR REDEVELOP ACROSS THE SAME LOCATION...3 TO 5 INCHES OF
RAIN OR MORE IS POSSIBLE.

EXTREME CAUTION IS ADVISED TRAVELING THROUGH HEAVY THUNDERSTORMS
TONIGHT.  THUNDERSTORMS SUNDAY NIGHT PRODUCED 7 INCHES OF RAIN IN
CENTRAL TEXAS CLOSING INTERSTATE 35 FOR SEVERAL HOURS NEAR TEMPLE.

IN ADDITION...SEVERE WEATHER IS POSSIBLE ACROSS THE NORTHERN HILL
COUNTRY THIS EVENING.  SEVERE WEATHER CONTINUES TO DEVELOP THIS
EVENING JUST NORTH OF THE HILL COUNTRY FROM BRADY EAST TO SAN SABA...
TEMPLE AND INTO EAST TEXAS.  THERES A CHANCE A FEW SEVERE
THUNDERSTORMS COULD DEVELOP OVER LLANO...BURNET AND WILLIAMSON
COUNTIES.

BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS TONIGHT.
THUNDERSTORMS...SOME POSSIBLY SEVERE... SOME PRODUCING FLOODING ARE
POSSIBLE ACROSS PARTS OF SOUTH TEXAS TONIGHT.

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.
Special weather statement, Jan 5, 5:55 PM CST, 4 hours 45 minutes before
TXZ171>173-183>194-202>209-217>225-228-061200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
555 PM CST MON JAN 5 1998

...FLASH FLOOD WATCH TONIGHT AND TUESDAY ACROSS PORTIONS OF SOUTH
CENTRAL TEXAS AND THE HILL COUNTRY...

CONDITIONS ARE FAVORABLE FOR HEAVY RAIN AND FLOODING EAST OF LLANO...
BURNET... SAN ANTONIO AND PLEASANTON.  THIS INCLUDES AUSTIN AND AREAS
EAST AND SOUTH TO HALLETTSVILLE AND KARNES CITY.

THE ATMOSPHERE ACROSS SOUTH CENTRAL TEXAS AND THE HILL COUNTRY
REMAINS VERY MOIST AND UNSTABLE.  WIDELY SCATTERED THUNDERSTORMS
CONTINUE TO DEVELOP THIS EVENING ACROSS CENTRAL AND EAST TEXAS.  NEW
STORMS COULD DEVELOP FARTHER SOUTH TONIGHT ACROSS THE HILL COUNTRY
AND EASTERN PORTIONS OF SOUTH CENTRAL TEXAS.  THESE STORMS HAVE A
HISTORY OF PRODUCING HEAVY RAIN AND FLOODING ACROSS NORTH... CENTRAL
AND EAST TEXAS OVER THE WEEKEND.

RAINFALL AMOUNTS FROM STRONGEST STORMS COULD REACH 2 INCHES.  WHERE
STORMS MERGE OR REDEVELOP ACROSS THE SAME LOCATION...3 TO 5 INCHES OF
RAIN OR MORE IS POSSIBLE.

EXTREME CAUTION IS ADVISED TRAVELING THROUGH HEAVY THUNDERSTORMS
TONIGHT.  THUNDERSTORMS SUNDAY NIGHT PRODUCED 7 INCHES OF RAIN IN
CENTRAL TEXAS CLOSING INTERSTATE 35 FOR SEVERAL HOURS NEAR TEMPLE.

IN ADDITION...SEVERE WEATHER IS POSSIBLE ACROSS THE NORTHERN HILL
COUNTRY THIS EVENING.  SEVERE WEATHER CONTINUES TO DEVELOP THIS
EVENING JUST NORTH OF THE HILL COUNTRY FROM BRADY EAST TO SAN SABA...
TEMPLE AND INTO EAST TEXAS.  THERES A CHANCE A FEW SEVERE
THUNDERSTORMS COULD DEVELOP OVER LLANO...BURNET AND WILLIAMSON
COUNTIES.

BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS TONIGHT.
THUNDERSTORMS...SOME POSSIBLY SEVERE... SOME PRODUCING FLOODING ARE
POSSIBLE ACROSS PARTS OF SOUTH TEXAS TONIGHT.

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.

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 6, 6:56 AM CSTFlash Flood WarningEWXBandera, Gillespie, Kerr5 hr
Jan 6, 8:11 AM CSTFlash Flood WarningEWXLlano4 hr
Jan 6, 8:45 AM CSTSevere Thunderstorm WarningEWXGillespie60 min
Jan 6, 9:52 AM CSTSevere Thunderstorm WarningEWXWilliamson68 min
Jan 6, 11:02 AM CSTSevere Thunderstorm WarningEWXFrio43 min
Jan 6, 11:51 AM CSTFlash Flood WarningEWXFrio69 min
Jan 6, 11:51 AM CSTSevere Thunderstorm WarningEWXFrio69 min
Jan 6, 12:17 PM CSTFlash Flood WarningEWXMedina3 hr
Jan 6, 12:41 PM CSTFlash Flood WarningEWXBexar2 hr
Jan 6, 12:55 PM CSTFlash Flood WarningEWXFrio2 hr
Jan 6, 1:31 PM CSTSevere Thunderstorm WarningEWXAtascosa59 min
Jan 6, 2:08 PM CSTFlash Flood WarningEWXAtascosa2 hr
Jan 6, 2:32 PM CSTFlash Flood WarningEWXBexar, Comal118 min
Jan 6, 4:13 PM CSTFlash Flood WarningEWXDeWitt, Gonzales, Lavaca3 hr

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; radar from the NEXRAD Level II archive.