Alert archive / Texas / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 142, NWS Austin/San Antonio, TX

June 28, 1992Mills County, San Saba County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jun 28, 1992, 4:51 PM CDT for Mills County, San Saba County, Texas. It was in force for 69 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 28, 1992, 4:51 PM CDT (21:51 UTC)
Expired
Jun 28, 1992, 6:00 PM CDT
In force
69 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties Mills County, TX, San Saba County, TX

What was reported inside it

TimeReportWhereRemark
Jun 28, 5:07 PM CDTHail 1.75Mills, TX
Jun 28, 5:52 PM CDTHail 1.75San Saba, TX

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Stephenville/Cla, TX (KSEP), launched 12:00Z, 9.9 hours before the alert went out and 115 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 1992-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1465 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 1992-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 square meters per square second.193958Sfc1 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
1465 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
625 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
114 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KAUS 282155 COR
SVRAUS
TXC333-411-282300-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING...CORRECTED FOR TIME OF REPORT...
NATIONAL WEATHER SERVICE AUSTIN TX
451 PM CDT SUN JUN 28 1992

THE NATIONAL WEATHER SERVICE IN AUSTIN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  600 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN NORTH CENTRAL TEXAS

   ...MILLS COUNTY...SAN SABA COUNTY

AT 450 PM...RADAR SHOWED A SEVERE THUNDERSTORM OVER NORTHWESTERN SAN
SABA COUNTY NEAR ELM GROVE...AND NEAR ZEPHYR. THESE THUNDERSTORMS WERE
MOVING TO THE EAST AND SOUTHEAST AT 25 MILES AN HOUR. GOLF BALL SIZED
HAIL WAS REPORTED AT ELM GROVE AROUND 440 PM.

A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.

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, Jun 28, 4:05 PM CDT, 46 minutes before
TXZ030-034>036-282200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
403 PM CDT SUN JUN 28 1992

...TORNADO WATCH IN EFFECT UNTIL 10 PM FOR MILLS...LAMPASAS...SAN SABA...
   BURNET...BLANCO...HAYS...LLANO...GILLESPIE...WILLIAMSON AND TRAVIS
   COUNTIES...
...FLASH FLOOD WATCH TONIGHT FOR MILLS..SAN SABA AND LAMPASAS COUNTIES...

AT 358 PM...RADAR SHOWED A RAPIDLY DEVELOPING LINE OF THUNDERSTORMS
FROM WEST OF STEPHENVILLE TO BROWNWOOD TO MASON.  THESE THUNDERSTORMS
WERE MOVING TO THE EAST AT 30 MILES AN HOUR.

PERSONS IN THE HILL COUNTRY ARE IN THE IMMEDIATE THREAT FOR SEVERE WEATHER
AND SHOULD KEEP AN EYE TO THE SKY FOR APPROACHING THUNDERSTORMS.  THESE
THUNDERSTORMS WILL BE CAPABLE OF PRODUCING HIGH WINDS...LARGE HAIL...
TORRENTIAL RAINFALL...AND EVEN TORNADOES AS THEY MOVE EAST INTO CENTRAL
TEXAS.
STAY TUNED FOR ADDITIONAL STATEMENTS OR WARNINGS ON NOAA WEATHER RADIO.  WH
Special weather statement, Jun 28, 4:14 PM CDT, 37 minutes before
TXZ034-035-039-054-290100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
415 PM CDT SUN JUN 28 1992

...A TORNADO WATCH IN EFFECT UNTIL 10 PM FOR PARTS OF SOUTH CENTRAL TEXAS...

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORADO WATCH UNTIL 10 PM TONIGHT
FOR AN AREA ALONG AND NORTH OF A LINE FROM JUNCTION TO ROCKSPRINGS TO
KERRVILLE...AUSTIN AND GEORGETOWN.  THE CITIES NAMED ABOVE ARE ALL INCLUDED
IN THE WATCH AREA.  THE SAN ANTONIO METROPOLITAN AREA IS NOT INCLUDED IN THE
WATCH AT THIS TIME.

AT 410 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED AN AREA OF SCATTERED
SHOWERS AND THUNDERSTORMS FORMING BETWEEN BROWNWOOD AND MASON.  VERY HEAVY
RAIN WAS INDICATED IN MANY OF THE STORMS...AND THEY ARE EXPECTED TO MOVE
TOWARD THE SOUTHEAST THROUGH THIS EVENING.

THE ATMOSPHERE OVER SOUTH CENTRAL TEXAS IS VERY UNSTABLE LATE THIS AFTERNOON
AND THE APPOACH OF AN UPPER LEVEL DISTURBANCE FROM THE WEST WILL CONTINUE
TO PRODUCE THUNDERSTORMS THROUGH MUCH OF TONIGHT.  THE POSSIBILITY OF LARGE
HAIL...DAMAGING WINDS AND EVEN TORNADOES EXISTS IN AND NEAR THE WATCH AREA.

PERSONS IN AND NEAR THIS AREA SHOULD STAY ABREAST OF THE LATEST INFORMATION
FROM THE NATIONAL WEATHER SERVICE...KEEP SEVERE THUNDERSTORM AND TORNADO
SAFETY RULES IN MIND...AND BE READY TO MOVE TO SAFETY IF NECESSARY.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 28, 5:44 PM CDTSevere Thunderstorm WarningEWXLlano61 min
Jun 28, 6:01 PM CDTSevere Thunderstorm WarningEWXSan Saba29 min
Jun 28, 6:17 PM CDTSevere Thunderstorm WarningEWXMills43 min
Jun 28, 6:34 PM CDTSevere Thunderstorm WarningEWXSan Saba26 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.