Alert archive / Texas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 121, NWS Austin/San Antonio, TX

June 5, 1997Travis County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jun 5, 1997, 2:28 AM CDT for Travis County, Texas. It was in force for 62 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: Jun 5, 1997, 2:28 AM CDT (07:28 UTC)
Expired: Jun 5, 1997, 3:30 AM CDT
In force: 62 min
Issued by: NWS Austin/San Antonio, TX
Area: Whole counties

County Travis County, TX

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 7.5 hours before the alert went out and 281 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 594 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 1529 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 30 m²/s²
0-3 km storm-relative helicity: 139 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 050725 RRA
SVRSAT
TXC453-050830-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
228 AM CDT THU JUN 5 1997
 
THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  330 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL TEXAS
 
   ...TRAVIS COUNTY
 
AT 225 AM RADAR INDICATED A SEVERE THUNDERSTORM NORTH OF AUSTIN NEAR
HIGHWAY 183 AND JOLLEYVILLE. THIS STORM WILL PASS OVER THE CITY OF
AUSTIN BETWEEN 230 AND 300 AM. HEAVY RAIN AND HAIL CAN BE EXPECTED WITH
THIS STORM.
 
PEOPLE IN THE PATH OF THIS STORM SHOULD BE ALERT TO THE POSSIBILITY
OF LARGE HAIL.  FREQUENT LIGHTNING, AND LOCALLY
HEAVY RAIN CAN ALSO OCCUR WITH SEVERE THUNDERSTORMS...FLOODING SMALL
STREAMS...LOW AREAS...AND LOW WATER CROSSINGS.

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, Jun 4, 10:00 PM CDT, 4 hours 28 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
1000 PM CDT WED JUN 04 1997

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

0910 PM    BOERNE                    TX   2.75 INCH HAIL
06/04/97   KENDALL                        GOLFBALL TO BASEBALL SIZE
                                          HAIL REPORTED ALONG
                                          CASCADE RD. 3 SOUTH OF
                                          BOERNE

Local storm report, Jun 4, 10:02 PM CDT, 4 hours 26 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
1000 PM CDT WED JUN 04 1997

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

0910 PM    BOERNE                    TX   2.75 INCH HAIL
06/04/97   KENDALL                        GOLFBALL TO BASEBALL SIZE
                                          HAIL REPORTED ALONG
                                          CASCADE RD. 3 SOUTH OF
                                          BOERNE

Local storm report, Jun 4, 10:28 PM CDT, 4 hours before

PRELIMINARY LOCAL STORM REPORT...UPDATED
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
1028 PM CDT WED JUN 04 1997

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

0910 PM    BOERNE                    TX   2.75 INCH HAIL
06/04/97   KENDALL                        GOLFBALL TO BASEBALL SIZE
                                          HAIL REPORTED ALONG
                                          CASCADE RD. 3 SOUTH OF
                                          BOERNE

0845 PM    FAIR OAKS RANCH           TX   1.75 INCH HAIL
06/04/97   BEXAR

Local storm report, Jun 4, 10:30 PM CDT, 3 hours 58 minutes before

PRELIMINARY LOCAL STORM REPORT...UPDATED
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
1028 PM CDT WED JUN 04 1997

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

0910 PM    BOERNE                    TX   2.75 INCH HAIL
06/04/97   KENDALL                        GOLFBALL TO BASEBALL SIZE
                                          HAIL REPORTED ALONG
                                          CASC ADE RD. 3 SOUTH OF
                                          BOERNE

0845 PM    FAIR OAKS RANCH           TX   1.75 INCH HAIL
06/04/97   BEXAR

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 4, 8:56 PM CDT	Severe Thunderstorm Warning	EWX	Bexar	49 min
Jun 5, 4:31 AM CDT	Severe Thunderstorm Warning	EWX	Gonzales	59 min
Jun 5, 2:39 PM CDT	Severe Thunderstorm Warning	EWX	Bandera, Real	66 min
Jun 5, 2:52 PM CDT	Severe Thunderstorm Warning	EWX	Edwards	68 min
Jun 5, 3:34 PM CDT	Severe Thunderstorm Warning	EWX	Kerr	56 min
Jun 5, 3:45 PM CDT	Severe Thunderstorm Warning	EWX	Real	60 min
Jun 5, 3:56 PM CDT	Severe Thunderstorm Warning	EWX	Bandera, Uvalde	64 min
Jun 5, 4:32 PM CDT	Severe Thunderstorm Warning	EWX	Edwards	58 min
Jun 5, 4:40 PM CDT	Severe Thunderstorm Warning	EWX	Real	50 min

Nearby

Severe Thunderstorm Warnings in Texas, 1997 Every severe thunderstorm warning in 1997

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.