Alert archive / Texas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 12, NWS Austin/San Antonio, TX

January 21, 1998Bastrop County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jan 21, 1998, 6:25 PM CST for Bastrop County, Texas. It was in force for 65 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 21, 1998, 6:25 PM CST (00:25 UTC)
Expired
Jan 21, 1998, 7:30 PM CST
In force
65 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Bastrop County, TX

The radar

The Ft Hood radar (KGRK), 69 km from the middle of the area, began a volume at 00:28 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jan 21, 2:15 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 0.4 hours before the alert went out and 264 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 00:00Z on 1998-01-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2384 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 1998-01-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 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
2384 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
550 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
66 m²/s²
Significant tornado parameter
0.7
Supercell composite
3.3

Open this sounding in Storm Lab

The text

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

839 
WUUS1 KSAT 220033 RRA
SVRSAT
TXC021-220130-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
625 PM CST WED JAN 21 1998
 
THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  730 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL TEXAS
 
   ...BASTROP COUNTY
 
AT 624 PM CST DOPPLER RADAR INDICATED A POSSIBLY SEVERE THUNDERSTORM IN
WESTERN BASTROP COUNTY NEAR CEDAR CREEK. THIS STORM WILL AFFECT THE
CITYS OF UTLEY AND ELGIN WITHIN THE NEXT 30 MINUTES.
 
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.
 
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

Local storm report, Jan 21, 3:26 PM CST, 2 hours 59 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
326 PM CST WED JAN 21 1998

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

0230 PM    LEXINGTON                 TX   TORNADO
01/21/98   LEE                            FUNNEL CLOUD REPORTED BY
                                          SHERIFF.

0230 PM    PAIGE                     TX   TORNADO
01/21/98   BASTROP                        FUNNEL CLOUD ON COUNTY
                                          LINE.  REPORTED BY
                                          SHERIFF.

0230 PM    LEXINGTON                 TX   .75 INCH HAIL
01/21/98   LEE                            REPORTED BY SHERIFF.

0245 PM    PAIGE                     TX   TORNADO
01/21/98   BASTROP                        FUNNEL CLOUD NORTH OF
                                          PAIGE OVER LEE COUNTY.

0256 PM    DIME BOX                  TX   TORNADO
01/21/98   LEE                            TORNADO ON GROUND BETWEEN
                                          DIME BOX AND HWY 77.
                                          REPORTED BY PUBLIC.

0309 PM    DIME BOX                  TX   TORNADO
01/21/98   LEE                            TORNADO ON GROUND NEAR
                                          DIME BOX.  REPORTED BY
                                          CONSTABLE.
Local storm report, Jan 21, 3:26 PM CST, 2 hours 59 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
326 PM CST WED JAN 21 1998

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

0230 PM    LEXINGTON                 TX   TORNADO
01/21/98   LEE                            FUNNEL CLOUD REPORTED BY
                                          SHERIFF.

0230 PM    PAIGE                     TX   TORNADO
01/21/98   BASTROP                        FUNNEL CLOUD ON COUNTY
                                          LINE.  REPORTED BY
                                          SHERIFF.

0230 PM    LEXINGTON                 TX   .75 INCH HAIL
01/21/98   LEE                            REPORTED BY SHERIFF.

0245 PM    PAIGE                     TX   TORNADO
01/21/98   BASTROP                        FUNNEL CLOUD NORTH OF
                                          PAIGE OVER LEE COUNTY.

0256 PM    DIME BOX                  TX   TORNADO
01/21/98   LEE                            TORNADO ON GROUND BETWEEN
                                          DIME BOX AND HWY 77.
                                          REPORTED BY PUBLIC.

0309 PM    DIME BOX                  TX   TORNADO
01/21/98   LEE                            TORNADO ON GROUND NEAR
                                          DIME BOX.  REPORTED BY
                                          CONSTABLE.
Special weather statement, Jan 21, 6:00 PM CST, 25 minutes before
TXZ171>173-183>194-202>209-217>225-228-221200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
600 PM CST WED JAN 21 1998

THUNDERSTORMS...SOME POSSIBLY SEVERE...ARE MOVING EASTWARD OUT OF
SOUTH CENTRAL AND CENTRAL TEXAS AT THIS TIME.  THE STORMS ARE BEING
TRIGGERED BY AN APPROACHING COLD FRONT COLLIDING WITH ABUNDANT GULF
MOISTURE.  WHEN THE FRONT PUSHES THROUGH CENTRAL AND SOUTH CENTRAL
TEXAS LATER TONIGHT AND THURSDAY...THE THREAT OF STORMS WILL END AS
COOLER AND DRIER AIR REPLACES THE WARM HUMID AIR MASS IN PLACE NOW.

RAINFALL AMOUNTS WILL AVERAGE NEAR A QUARTER OF AN INCH OR LESS WITH
ISOLATED TOTALS APPROACHING AN INCH MAINLY TOWARD SOUTHEAST TEXAS.

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 21, 6:00 PM CST, 25 minutes before
TXZ171>173-183>194-202>209-217>225-228-221200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
600 PM CST WED JAN 21 1998

THUNDERSTORMS...SOME POSSIBLY SEVERE...ARE MOVING EASTWARD OUT OF
SOUTH CENTRAL AND CENTRAL TEXAS AT THIS TIME.  THE STORMS ARE BEING
TRIGGERED BY AN APPROACHING COLD FRONT COLLIDING WITH ABUNDANT GULF
MOISTURE.  WHEN THE FRONT PUSHES THROUGH CENTRAL AND SOUTH CENTRAL
TEXAS LATER TONIGHT AND THURSDAY...THE THREAT OF STORMS WILL END AS
COOLER AND DRIER AIR REPLACES THE WARM HUMID AIR MASS IN PLACE NOW.

RAINFALL AMOUNTS WILL AVERAGE NEAR A QUARTER OF AN INCH OR LESS WITH
ISOLATED TOTALS APPROACHING AN INCH MAINLY TOWARD SOUTHEAST TEXAS.

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.

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.