Alert archive / Texas / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 45, NWS Austin/San Antonio, TX

April 16, 1992San Saba County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 16, 1992, 4:15 PM CDT for San Saba County, Texas. It was in force for 45 min.

The area

The counties it named.

The facts

Issued
Apr 16, 1992, 4:15 PM CDT (21:15 UTC)
Expired
Apr 16, 1992, 5:00 PM CDT
In force
45 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 12:00Z, 9.3 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 12:00Z on 1992-04-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 89 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, Stephenville/Cla, TX at 12:00Z on 1992-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 97 square meters per square second.1939Sfc1 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
89 J/kg
Mixed-layer CIN
-336 J/kg
Mixed-layer LCL
1071 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
97 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KAUS 162115
SVRAUS
TXC411-162200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN TX
415 PM CDT THU APR 16 1992
 
THE NATIONAL WEATHER SERVICE IN AUSTIN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  500 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH CENTRAL TEXAS
 
   ...EASTERN SAN SABA COUNTY
 
AT 413 PM CDT...RADAR SHOWED A SEVERE THUNDERSTORM 7 MILES NORTH OF
SAN SABA MOVING TO THE SOUTHEAST AT 25 MILES AN HOUR. LARGE HAIL IS
LIKELY WITH THIS STORM ALONG WITH VERY STRONG WINDS TO NEAR 60 MPH.
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAJIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.

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

Special weather statement, Apr 16, 3:24 PM CDT, 51 minutes before
TXZ030-162200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
320 PM CDT THUR APR 16 1992

...STRONG THUNDERSTORMS MOVING OVER MILLS AND SAN SABA COUNTIES...

AT 315 PM CDT AUSTIN RADAR SHOWED STRONG THUNDERSTORMS MOVING EASTWARD
AT 20 MPH OVER THE WESTERN PORTIONS OF MILLS AND SAN SABA COUNTIES.

THESE THUNDERSTORMS WILL PRODUCE BRIEF HEAVY RAINS...GUSTY WINDS AND
SMALL HAIL...DANGEROUS LIGHTNING IS ALSO POSSIBLE.

PERSONS IN THE ABOVE COUNTIES SHOULD STAY ALERT TO THESE STORMS
AS THEY MAY CONTINUE TO INCREASE IN STRENGTH AND BECOME SEVERE...
PJL

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 16, 6:15 PM CDTSevere Thunderstorm WarningEWXBexar60 min
Apr 16, 6:39 PM CDTSevere Thunderstorm WarningEWXBandera, Kendall66 min
Apr 16, 6:51 PM CDTSevere Thunderstorm WarningEWXMedina69 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.