Alert archive / Texas / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 33, NWS Austin/San Antonio, TX

March 9, 1992Gillespie County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 9, 1992, 1:56 AM CST for Gillespie County, Texas. It was in force for 34 min.

The area

The counties it named.

The facts

Issued
Mar 9, 1992, 1:56 AM CST (07:56 UTC)
Expired
Mar 9, 1992, 2:30 AM CST
In force
34 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Gillespie County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 7.9 hours before the alert went out and 211 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, Del Rio, TX at 00:00Z on 1992-03-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 967 joules per kilogram.LCLLFCEL10008507005003002001001 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, Del Rio, TX at 00:00Z on 1992-03-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 138 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
967 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
948 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
138 m²/s²
0-3 km storm-relative helicity
131 m²/s²
Significant tornado parameter
0.5
Supercell composite
2.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KAUS 090755
SVRAUS
TXC171-090830-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN TX
156 AM CST MON MAR 9 1992
 
THE NATIONAL WEATHER SERVICE IN AUSTIN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 230 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL TEXAS
 
   ...NORTHERN GILLESPIE COUNTY...
 
AT 155 AM CST...RADAR SHOWED A SEVERE THUNDERSTORM 10 MILES WEST OF
DOSS IN NORTHWEST GILLESPIE COUNTY MOVING TO THE EAST AT 30 MILES AN
HOUR.  DAMAGING WINDS AND VERY LARGE HAIL ARE LIKELY WITH THIS STORM.
PERSONS IN DOSS ARE NEAR THE PATH OF THIS STORM AND SHOULD TAKE
SHELTER IMMEDIATELY.
 
THIS IS A DANGEROUS STORM.  IF YOU ARE NIN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM 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, 2:28 AM CSTSevere Thunderstorm WarningEWXLlano47 min
Mar 9, 4:42 AM CSTTornado WarningEWXGillespie48 min
Mar 9, 5:13 AM CSTTornado WarningEWXLlano32 min

Nearby

Severe Thunderstorm Warnings in Texas, 1992Every severe thunderstorm warning 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.