Alert archive / Texas / Tornado Warnings in 1993

Tornado Warning 12, NWS Austin/San Antonio, TX

September 13, 1993Llano County, San Saba County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Sep 13, 1993, 8:58 PM CDT for Llano County, San Saba County, Texas. It was in force for 47 min.

The area

The counties it named.

The facts

Issued
Sep 13, 1993, 8:58 PM CDT (01:58 UTC)
Expired
Sep 13, 1993, 9:45 PM CDT
In force
47 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties Llano County, TX, San Saba County, TX

The nearest sounding before it

Stephenville/Cla, TX (KSEP), launched 00:00Z, 2.0 hours before the alert went out and 156 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, Stephenville/Cla, TX at 00:00Z on 1993-09-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1633 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, Stephenville/Cla, TX at 00:00Z on 1993-09-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 146 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
1633 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
1032 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
146 m²/s²
0-3 km storm-relative helicity
184 m²/s²
Significant tornado parameter
1.5
Supercell composite
8.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KAUS 140159
TORAUS
TXC411-299-140245-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN TX
858 PM CDT MON SEP 13 1993
 
THE NATIONAL WEATHER SERVICE IN AUSTIN HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  945 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH CENTRAL TEXAS
 
   ...SAN SABA COUNTY
 
IN SOUTH CENTRAL TEXAS
 
   ...NORTHERN LLANO COUNTY
 
AT 855 PM DOPPLER RADAR SHOWED A POSSIBLE TORNADO JUST SOUTHWEST OF
PONTOTOC IN LLANO COUNTY MOVING NORTHEAST AT 40 MPH AND WILL BE MOVING
TOWARD CHEROKEE AND SAN SABA BY 930 PM.
 
 
 
IF YOU ARE IN THE PATH OF A TORNADO...SEEK SHELTER IN AN INTERIOR
ROOM SUCH AS A CLOSET OR BATHROOM...ON THE LOWEST FLOOR. A VOID
WINDOWS AND PROTECT YOUR BODY FROM FLYING DEBRIS WITH CUSHIONS...
BLANKETS...OR PILLOWS.

What forecasters said that day

The local office's own words before this tornado 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, Sep 13, 3:56 PM CDT, 5 hours 2 minutes before
TXZ030-034-036-132200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
356 PM CDT MON SEP 13 1993

...TORNADO WATCH ISSUED FOR PORTIONS OF THE HILL COUNTRY...

THE SEVERE STORMS FORECAST CENTER HAS ISSUED A TORNADO WATCH EFFECTIVE
UNTIL 900 PM CDT FOR THE FOLLOWING COUNTIES...MILLS...SAN SABA.

AT 355 PM NO THUNDERSTORMS WERE NOTED IN OR NEAR MILLS OR SAN SABA
COUNTIES, BUT CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE
THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.  TORNADOES...LARGE
HAIL...DANGEROUS LIGHTNING AND DAMAGING THUNDERSTORM WINDS ARE POSSIBLE
IN THESE AREAS.

STAY TUNED FOR FURTHER UPDATES.

SL
Special weather statement, Sep 13, 5:20 PM CDT, 3 hours 38 minutes before
TXZ030-034-035-036-132315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
520 PM CDT MON SEP 13 1993

...TORNADO WATCH IN EFFECT UNTIL 9 PM FOR MILLS AND SAN SABA COUNTIES...

...FLASH FLOOD WATCH IN EFFECT TONIGHT AND TUESDAY MORNING
FOR...WILLIAMSON...TRAVIS...HAYS...LAMPASAS...MILLS...SAN
SABA...LLANO...BURNET...GILLESPIE AND BLANCO COUNTIES...

AT 510 PM THUNDERSTORM ACTIVITY WAS WEST OF A LINE FROM SAN ANGELO TO
SONORA TO DEL RIO.  THESE STORMS WERE MOVING NORTHEAST AT 35 MPH.

ALTHOUGH NO THUNDERSTORMS ARE OCCURRING IN THE ABOVE COUNTIES HEAVY RAIN
IS POSSIBLE OVER MUCH OF CENTRAL TEXAS CAUSING A RAPID RISE OF STREAMS
AND RIVERS...FLOODING LOW LYING AREAS AND LOW WATER CROSSINGS.
MOTORISTS SHOULD NOT ATTEMPT TO DRIVE OVER ANY FLOODED ROADS OR INTO
FLOODED LOW WATER CROSSINGS.

STAY TUNED FOR FURTHER UPDATES.

SL
Special weather statement, Sep 13, 5:21 PM CDT, 3 hours 37 minutes before
TXZ030-034-035-036-132315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
520 PM CDT MON SEP 13 1993

...TORNADO WATCH IN EFFECT UNTIL 9 PM FOR MILLS AND SAN SABA COUNTIES...

...FLASH FLOOD WATCH IN EFFECT TONIGHT AND TUESDAY MORNING
FOR...WILLIAMSON...TRAVIS...HAYS...LAMPASAS...MILLS...SAN
SABA...LLANO...BURNET...GILLESPIE AND BLANCO COUNTIES...

AT 510 PM THUNDERSTORM ACTIVITY WAS WEST OF A LINE FROM SAN ANGELO TO
SONORA TO DEL RIO.  THESE STORMS WERE MOVING NORTHEAST AT 35 MPH.

ALTHOUGH NO THUNDERSTORMS ARE OCCURRING IN THE ABOVE COUNTIES HEAVY RAIN
IS POSSIBLE OVER MUCH OF CENTRAL TEXAS CAUSING A RAPID RISE OF STREAMS
AND RIVERS...FLOODING LOW LYING AREAS AND LOW WATER CROSSINGS.
MOTORISTS SHOULD NOT ATTEMPT TO DRIVE OVER ANY FLOODED ROADS OR INTO
FLOODED LOW WATER CROSSINGS.

STAY TUNED FOR FURTHER UPDATES.

SL
Special weather statement, Sep 13, 6:15 PM CDT, 2 hours 43 minutes before
TXZ030-034-035-036-140015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
615 PM CDT MON SEP 13 1993

...TORNADO WATCH IN EFFECT UNTIL 9 PM FOR MILLS AND SAN SABA COUNTIES...

...FLASH FLOOD WATCH IN EFFECT FOR ALL COUNTIES IN CENTRAL TEXAS ALONG
AND WEST OF I-35...

AT 6 PM THERE WAS NO THUNDERSTORM ACTIVITY IN CENTRAL TEXAS.  HOWEVER,
AN AREA OF THUNDERSTORMS WEST OF KERRVILLE WAS MOVING NORTHEAST AT 35
MPH AND WILL MOVE INTO GILLESPIE AND BLANCO COUNTIES BY 8 PM.

CONDITIONS REMAIN FAVORABLE FOR THUNDERSTORM DEVELOPMENT OVER CENTRAL
TEXAS THIS EVENING AND THROUGH THE NIGHT.  SOME OF THESE THUNDERSTORMS
COULD REACH SEVERE LEVELS.  TORRENTIAL RAIN WITH AMOUNTS OF 2 INCHES PER
HOUR IS POSSIBLE...CAUSING FLASH FLOODING IN LOW LYING AREAS.

STAY TUNED FOR FURTHER UPDATES AND POSSIBLE WARNINGS.

SL
Special weather statement, Sep 13, 6:15 PM CDT, 2 hours 43 minutes before
TXZ030-034-035-036-140015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
615 PM CDT MON SEP 13 1993

...TORNADO WATCH IN EFFECT UNTIL 9 PM FOR MILLS AND SAN SABA COUNTIES...

...FLASH FLOOD WATCH IN EFFECT FOR ALL COUNTIES IN CENTRAL TEXAS ALONG
AND WEST OF I-35...

AT 6 PM THERE WAS NO THUNDERSTORM ACTIVITY IN CENTRAL TEXAS.  HOWEVER,
AN AREA OF THUNDERSTORMS WEST OF KERRVILLE WAS MOVING NORTHEAST AT 35
MPH AND WILL MOVE INTO GILLESPIE AND BLANCO COUNTIES BY 8 PM.

CONDITIONS REMAIN FAVORABLE FOR THUNDERSTORM DEVELOPMENT OVER CENTRAL
TEXAS THIS EVENING AND THROUGH THE NIGHT.  SOME OF THESE THUNDERSTORMS
COULD REACH SEVERE LEVELS.  TORRENTIAL RAIN WITH AMOUNTS OF 2 INC4HES PER
HOUR IS POSSIBLE...CAUSING FLASH FLOODING IN LOW LYING AREAS.

STAY TUNED FOR FURTHER UPDATES AND POSSIBLE WARNINGS.

SL
Special weather statement, Sep 13, 7:20 PM CDT, 1 hour 38 minutes before
TXZ039-130100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
720 PM CDT SUN SEP 13 1993

WIDELY SCATTERED SHOWERS AND THUNDERSTORMS WERE DEVELOPING ACROSS SOUTH
OF SAN ANTONIO AND MOVING NORTHWARD ACROSS SAN ANTONIO THIS EVENING.
A THUNDERSTORM WITH VERY HEAVY RAIN WAS LOCATED NEAR HELOTES...WHILE OTHER
SHOWERS AND THUNDERSTORMS WERE MOVING OVER THE DOWNTOWN AREA OF SAN
ANTONIO.

THESE THUNDERSTORMS WILL PRODUCE BRIEF BLINDING RAIN AND GUSTY WINDS
DURING THE NEXT HOUR IN AND AROUND BEXAR COUNTY.

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 13, 9:54 PM CDTTornado WarningEWXSan Saba36 min
Sep 13, 10:33 PM CDTFlash Flood WarningEWXBandera, Kerr4 hr
Sep 13, 10:53 PM CDTTornado WarningEWXGillespie52 min
Sep 13, 11:00 PM CDTSevere Thunderstorm WarningEWXBandera60 min
Sep 13, 11:25 PM CDTTornado WarningEWXSan Saba50 min
Sep 13, 11:27 PM CDTSevere Thunderstorm WarningEWXLlano48 min
Sep 13, 11:42 PM CDTTornado WarningEWXBurnet63 min
Sep 14, 2:33 AM CDTSevere Thunderstorm WarningEWXWilliamson42 min

Nearby

Tornado Warnings in Texas, 1993Every tornado warning in 1993Tornadoes in 1993

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.