Alert archive / Texas / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 134, NWS Austin/San Antonio, TX

May 30, 1994DeWitt County, Lavaca County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 30, 1994, 1:11 AM CDT for DeWitt County, Lavaca County, Texas. It was in force for 64 min.

The area

The counties it named.

The facts

Issued
May 30, 1994, 1:11 AM CDT (06:11 UTC)
Expired
May 30, 1994, 2:15 AM CDT
In force
64 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties DeWitt County, TX, Lavaca County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 6.2 hours before the alert went out and 168 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 1994-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3161 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 1994-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 126 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
3161 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
1074 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
126 m²/s²
0-3 km storm-relative helicity
196 m²/s²
Significant tornado parameter
1.7
Supercell composite
9.1

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 29, 10:24 PM CDT, 2 hours 47 minutes before
TXZ204>207-219>221-300430-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
1025 PM CDT SUN MAY 30 1994

...A TORNADO WATCH IS IN EFFECT UNTIL 300 AM FOR THE HILL COUNTRY AND
   SOUTH CENTRAL TEXAS...

A VERY LARGE AND STRONG THUNDERSTORM COMPLEX DEVELOPED OVER WEST CENTRAL
TEXAS THIS AFTERNOON AND CONTINUES TO RAVAGE PORTIONS OF NORTHERN PORTIONS
OF THE HILL COUNTRY.

AT 1010 PM THE STRONGEST STORM WAS LOCATED OVER SOUTHERN SAN SABA COUNTY
AND MOVING TO THE SOUTH SOUTHEAST AT 25 MPH.  IF THIS STORM CONTINUES
IN ITS CURRENT PATH IT WILL ENTER THE SAN ANTONIO AREA AROUND MIDNIGHT.

A TORNADO WATCH IS IN EFFECT UNTIL 300 AM FOR MOST OF SOUTH CENTRAL TEXAS
INCLUDING EDWARDS...REAL...KERR...BANDERA...KENDALL...COMAL...GUADALUPE...
GONZALES...KINNEY...UVALDE...MEDINA...BEXAR...WILSON...ZAVALA...FRIO...
ATASCOSA...KARNES...LA SALLE AND MCMULLEN COUNTIES.
.

PERSONS IN THESE COUNTIES NEED TO KEEP ABREAST OF THE LATEST WEATHER
DEVELOPMENTS AND BE READY TO TAKE NECESSARY ACTIONS SHOULD SEVERE WEATHER
APPROACH YOUR AREA.
Local storm report, May 29, 10:30 PM CDT, 2 hours 41 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN TX
1030 PM CDT SUN MAY 29 1994

TIME/CDT  COUNTY     EVENT

1020 PM   SAN SABA   SAN SABA COUNTY SHERIFF REPORTED HIGH WINDS 8 TO 10
                     MILES SOUTHWEST OF CITY OF SAN SABA.  TREES AND
                     POWER LINES DOWNED.

JVD
Local storm report, May 29, 10:32 PM CDT, 2 hours 39 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN TX
1030 PM CDT SUN MAY 29 1994

TIME/CDT  COUNTY     EVENT

1020 PM   SAN SABA   SAN SABA COUNTY SHERIFF REPORTED HIGH WINDS 8 TO 10
                    x MILES SOUTHWEST OF CITY OF SAN SABA.  TREES AND
                     POWER LINES DOWNED.

JVD
Special weather statement, May 29, 11:27 PM CDT, 1 hour 44 minutes before
TXZ204>207-219>221-300530-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
1125 PM CDT SUN MAY 30 1994

...A TORNADO WATCH IS IN EFFECT UNTIL 300 AM FOR THE HILL COUNTRY AND
   SOUTH CENTRAL TEXAS...

STRONG THUNDERSTORMS CONTINUED TO MARCH SOUTH INTO THE HILL COUNTRY.
AT 1120 PM CDT A LINE OF THUNDERSTORMS STRETCHED FROM SOUTHWEST LLANO
COUNTY EAST ACROSS TO COLLEGE STATION.

THIS LINE WAS MOVING TO THE SOUTH AT 25 MPH.  PERSONS IN THE PATH OF
THESE STORMS CAN EXPECT SMALL HAIL...GUSTY THUNDERSTORM WINDS...BRIEF
HEAVY RAIN AND DEADLY LIGHTNING.

A TORNADO WATCH IS IN EFFECT UNTIL 300 AM FOR MOST OF SOUTH CENTRAL TEXAS
INCLUDING EDWARDS...REAL...KERR...BANDERA...KENDALLX...COMAL...GUADALUPE...
GONZALES...KINNEY...UVALDE...MEDINA...BEXAR...WILSON...ZAVALA...FRIO...
ATASCOSA...KARNES...LA SALLE AND MCMULLEN COUNTIES.
.

STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION.
Local storm report, May 29, 11:28 PM CDT, 1 hour 43 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN TX
1030 PM CDT SUN MAY 29 1994

TIME/CDT  COUNTY     EVENT

1126 PM   WILL/TRAVIS   HIGH WINDS HAVE HIT GEORGETOWN AND CEDAR PARK.

JVD
Local storm report, May 30, 12:38 AM CDT, 33 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 9:05 PM CDTSevere Thunderstorm WarningEWXMills, San Saba55 min
May 29, 9:38 PM CDTSevere Thunderstorm WarningEWXSan Saba52 min
May 29, 10:15 PM CDTSevere Thunderstorm WarningEWXBurnet, Llano60 min
May 29, 11:15 PM CDTSevere Thunderstorm WarningEWXTravis, Williamson60 min
May 29, 11:15 PM CDTSevere Thunderstorm WarningEWXBlanco60 min
May 29, 11:58 PM CDTFlash Flood WarningEWXLee2 hr
May 29, 11:58 PM CDTFlash Flood WarningEWXTravis48 min
May 29, 11:58 PM CDTFlash Flood WarningEWXHays, Travis2 hr
May 29, 11:58 PM CDTSevere Thunderstorm WarningEWXTravis48 min
May 29, 11:58 PM CDTSevere Thunderstorm WarningEWXBastrop, Lee85 min
May 29, 11:58 PM CDTSevere Thunderstorm WarningEWXHays85 min
May 30, 12:09 AM CDTSevere Thunderstorm WarningEWXSan Saba66 min
May 30, 12:12 AM CDTSevere Thunderstorm WarningEWXComal, Guadalupe63 min
May 30, 12:22 AM CDTFlash Flood WarningEWXCaldwell, Fayette2 hr
May 30, 12:22 AM CDTSevere Thunderstorm WarningEWXCaldwell61 min
May 30, 12:22 AM CDTSevere Thunderstorm WarningEWXFayette2 hr
May 30, 12:33 AM CDTSevere Thunderstorm WarningEWXGonzales57 min
May 30, 12:53 AM CDTSevere Thunderstorm WarningEWXKarnes, Wilson97 min
May 30, 1:10 AM CDTSevere Thunderstorm WarningEWXSan Saba27 min
May 30, 1:15 AM CDTSevere Thunderstorm WarningEWXDeWitt, Lavaca60 min
May 30, 1:50 AM CDTSevere Thunderstorm WarningEWXGoliad, Victoria55 min

Nearby

Severe Thunderstorm Warnings in Texas, 1994Every severe thunderstorm warning in 1994

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.