Alert archive / Texas / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 79, NWS Austin/San Antonio, TX

May 14, 1992Webb County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 14, 1992, 10:03 PM CDT for Webb County, Texas. It was in force for 57 min.

The area

The counties it named.

The facts

Issued
May 14, 1992, 10:03 PM CDT (03:03 UTC)
Expired
May 14, 1992, 11:00 PM CDT
In force
57 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Webb County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 3.1 hours before the alert went out and 196 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, Corpus Christi, TX at 00:00Z on 1992-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2156 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, Corpus Christi, TX at 00:00Z on 1992-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 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
2156 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
657 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
131 m²/s²
Significant tornado parameter
0.6
Supercell composite
3.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 150304
SVRSAT
TXC479-150400-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
1003 PM CDT THU MAY 14 1992
 
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1100 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTH TEXAS
 
   ...WEBB COUNTY
 
RADAR INDICATED VERY HEAVY THUNDERSTORMS IN NORTHERN WEBB COUNTY
MOVING TO THE SOUTH AT AROUND 10 M'ILES AN HOUR.
 
PEOPLE IN THE PATH OF THESE STORMS SHOULD BE ALERT TO THE POSSIBILITY
OF LARGE HAIL AND DAMAGING WINDS.  FREQUENT LIGHTNING AND LOCALLY
HEAVY RAIN HAS OCCURRED WITH THESE THUNDERSTORMS.

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, May 14, 6:27 PM CDT, 3 hours 36 minutes before
TXZ034>037-150030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
625 PM CDT THU MAY 14 1992

...STRONG THUNDERSTORMS MOVING ACROSS THE AUSTIN METROPOLITAN AREA...
...SEVERE THUNDERSTORM WARNING FOR EASTERN LAMPASAS COUNTY HAS EXPIRED...

AT 620 PM...RADAR SHOWED VERY STRONG THUNDERSTORMS...WITH VERY HEAVY
RAINFALL FROM AUSTIN TO EAST OF BUDA TO LOCKHART...NEAR WAELDER...AND
EAST OF SCHULENBURG.  THESE THUNDERSTORMS WERE MOVING TO THwE NORTHEAST
AT 15 MILES AN HOUR.

WIND GUSTS TO 45 MPH...LOCALIZED FLOODING...FREQUENT LIGHTNING...AND
SMALL HAIL ARE LIKELY WITH THESE STORMS.

STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.
Special weather statement, May 14, 7:33 PM CDT, 2 hours 30 minutes before
TXZ034>037-150130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
730 PM CDT THU MAY 14 1992

...SEVERE THUNDERSTORM WARNING FOR FAYETTE COUNTY HAS EXPIRED...

AT 726 PM...RADAR SHOWED SCATTERED THUNDERSTORMS OVER MUCH OF SOUTH
CENTRAL TEXAS.  THUNDERSTORMS WITH VERY HEAVY RAINFALL WERE LOCATED
FROM 5 MILES EST OF SMITHVILLE TO PAIGE...5 MILES SOUTH OF HARPER...
AND NEAR COMFORT.  THE THUNDERSTORMS WERE MOVING TO THE NORTH AT
20 MILES AN HOUR.

WIND GUSTS TO 45 MPH...LOCALIZED FLOODING...FREQUENT LIGHTNING...AND
SMALL HAIL ARE LIKELY WITH THESE STORMS.  MORE THAN 3.5 INCHES OF RAIN
FELL WITH EARLIER THUNDERSTORMS AT DRIPPING SPRINGS...AND 0.75 INCHES
WAS OBSERVED IN JUST OVER 15 MINUTES HERE AT THE NATIONAL WEATHER SERVICE.

STAY TUNED TO NOAA WEATHER RADIO AND COMMERCIAL TV/RADIO FOR LATER
STATEMENTS.
Special weather statement, May 14, 9:04 PM CDT, 59 minutes before
TXZ034>037-150330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
850 PM CDT THU MAY 14 1992

AT 845 PM...RADAR SHOWED MOST OF THE SHOWERS AND THUNDERSTORMS WERE
ALONG AND SOUTH OF A LINE FROM BRENHAM TO AUSTIN TO FREDERICKSBURG
SOUTHWARD INTO SOUTH TEXAS NEAR THREE RIVERS. THE HEAVIER THUNDERSTORMS
WERE ALONG AND SOUTH OF THE SAN ANTONIO AREA WITH MOSTLY LIGHT TO
MODERATE RAIN SCATTERED OVER THE CENTRAL TEXAS AREA.

MOVEMENT WAS SOUTHEAST AT NEAR 10 MPH.

RAINFALL HERE AT THE WEATHER SERVICE OFFICE IN AUSTIN IS JUST OVER
ONE INCH.

The office that day

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

IssuedProductOfficeCountiesLasted
May 14, 7:02 PM CDTSevere Thunderstorm WarningEWXMcMullen58 min
May 14, 7:53 PM CDTSevere Thunderstorm WarningEWXBandera67 min
May 14, 8:08 PM CDTSevere Thunderstorm WarningEWXLa Salle67 min
May 14, 8:54 PM CDTSevere Thunderstorm WarningEWXWebb66 min
May 14, 9:24 PM CDTSevere Thunderstorm WarningEWXLa Salle66 min
May 14, 11:01 PM CDTSevere Thunderstorm WarningEWXWebb59 min
May 15, 12:09 AM CDTFlash Flood WarningEWXWebb3 hr

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.