Alert archive / Texas / Tornado Warnings in 1992

Tornado Warning 2, NWS Austin/San Antonio, TX

March 9, 1992Llano County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Mar 9, 1992, 5:13 AM CST for Llano County, Texas. It was in force for 32 min.

The area

The counties it named.

The facts

Issued
Mar 9, 1992, 5:13 AM CST (11:13 UTC)
Expired
Mar 9, 1992, 5:45 AM CST
In force
32 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Llano County, TX

The nearest sounding before it

Stephenville/Cla, TX (KSEP), launched 00:00Z, 11.2 hours before the alert went out and 177 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 1992-03-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1010 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 1992-03-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 139 square meters per square second.1939587897117136Sfc1 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
1010 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
997 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
139 m²/s²
0-3 km storm-relative helicity
149 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KAUS 091116 COR
TORAUS
TXC299-091145-

BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN TX
513 AM CST MON MAR 9 1992

THE NATIONAL WEATHER SERVICE IN AUSTIN HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  545 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN SOUTH CENTRAL TEXAS

   ...SOUTHEASTERN LLANO COUNTY

AT 513 AM RADAR SHOWED A POSSIBLE TORNADO IN SOUTHEASTERN LLANO COUNTY
4 MILES SOUTHWEST OF OXFORD. PERSONS IN OXFORD SHOULD TAKE COVER
IMMEDIATELY. MOVEMENT OF THE STORM WAS TO THE NORTHEAST AT 45 MPH.

IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHE<LTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 8, 6:08 PM CSTSevere Thunderstorm WarningEWXKinney67 min
Mar 8, 7:55 PM CSTSevere Thunderstorm WarningEWXKinney65 min
Mar 9, 1:56 AM CSTSevere Thunderstorm WarningEWXGillespie34 min
Mar 9, 2:28 AM CSTSevere Thunderstorm WarningEWXLlano47 min
Mar 9, 4:42 AM CSTTornado WarningEWXGillespie48 min

Nearby

Tornado Warnings in Texas, 1992Every tornado warning in 1992Tornadoes in 1992

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.