Alert archive / Texas / Tornado Warnings in 1993

Tornado Warning 13, NWS Austin/San Antonio, TX

September 13, 1993San Saba County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Sep 13, 1993, 9:54 PM CDT for San Saba County, Texas. It was in force for 36 min.

The area

The counties it named.

The facts

Issued
Sep 13, 1993, 9:54 PM CDT (02:54 UTC)
Expired
Sep 13, 1993, 10:30 PM CDT
In force
36 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County San Saba County, TX

The nearest sounding before it

Stephenville/Cla, TX (KSEP), launched 00:00Z, 2.9 hours before the alert went out and 137 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°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 140254
TORAUS
TXC411-140330-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN TX
954 PM CDT MON SEP 13 1993
 
THE NATIONAL WEATHER SERVICE IN AUSTIN HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1030 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH CENTRAL TEXAS
 
   ...EASTERN SAN SABA COUNTY
 
AT 950 PM DOPPLER RADAR INDICATED A POSSIBLE TORNADO ABOUT 10 MILES
SOUTHWEST OF CHAPPEL IN SAN SABA COUNTY MOVING NORTHEAST AT 40 MPH.
 
 
THIS IS A DANGEROUS STORM SITUATION.  ACT QUICKLY.  IF YOU ARE
IN THE PATH OF THIS TORNADO GO TO A SMALL INTERIOR ROOM ON THE
LOWEST FLOOR POSSIBLE.  AVOID WINDOWS.  ABANDON CARS AND
MOBILE HOMES FOR A REINFORCED BUILDING OR GET INTO A DITCH OR
CULVERT. CURL UP AND COVER YOUR HEAD WITH YOUR ARMS.

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 13, 8:58 PM CDTTornado WarningEWXLlano, San Saba47 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.