Alert archive / Texas / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 49, NWS Austin/San Antonio, TX

April 15, 19944 counties in Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 15, 1994, 7:30 PM CDT for 4 counties in Texas. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Apr 15, 1994, 7:30 PM CDT (00:30 UTC)
Expired
Apr 15, 1994, 8:30 PM CDT
In force
60 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties Atascosa County, TX, Gonzales County, TX, Karnes County, TX, Wilson County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 0.5 hours before the alert went out and 166 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 1994-04-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2863 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 1994-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 square meters per square second.19395878Sfc1 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
2863 J/kg
Mixed-layer CIN
-181 J/kg
Mixed-layer LCL
716 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
52 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 160035
SVRSAT
TXC013-177-255-493-160130-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
730 PM CDT FRI APR 15 1994
 
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 830 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTH TEXAS
 
   ...ATASCOSA COUNTY...GONZALES COUNTY...KARNES COUNTY
   ...WILSON COUNTY
 
AT 730 PM CDT...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS
EXTENDING FROM PLEASANTON TO GONZALES.  THIS LINE WAS MOVING
TOWARD THE SOUTHEAST AT 15 MPH.  THE THUNDERSTORMS IN THIS
LINE HAVE HAD A HISTORY OF DAMAGING WINDS AND HAIL AS THEY
MOVED ACROSS BEXAR COUNTY.
 
ALTHOUGH NO TORNADOES HAVE BEEN DETECTED WITH THIS STORM...A
TORNADO WATCH REMAINS IN EFFECT.  SEVERE THUNDERSTORMS CAN AND
OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING
SO BE ON THE LOOKOUT.
 
SEVERE THUNDERSTORM WINDS CAN REACH SPEEDS OVER 60 MPH.  THESE WINDS
BLOW DOWN TREES...POWER LINES...AND SEVERELY DAMAGE MOBILE HOMES...
SOMETIMES BUILDINGS.  VERY LARGE HAIL CAN INJURE ANYONE CAUGHT
OUTSIDE.
 
PEOPLE IN THE PATH OF THIS STORM SHOULD BE ALERT TO THE POSSIBILITY
OF LHARGE HAIL AND DAMAGING WINDS.  FREQUENT LIGHTNING AND LOCALLY
HEAVY RAIN CAN OCCUR WITH ANY THUNDERSTORM.

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 15, 2:25 PM CDT, 5 hours 5 minutes before
TXZ183>187-189-202>207-217>223-228>230-239-152025-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
224 PM CDT FRI APR 15 1994

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 7 PM TONIGHT...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MUCH OF SOUTH
CENTRAL TEXAS THIS AFTERNOON AND EVENING.  AT 220 PM SHOWERS AND
THUNDERSTORMS STRETCHED ACROSS VAL VERDE AND KINNEY COUNTIES EASTWARD
INTO SOUTHEAST TEXAS.  THE HEAVIEST RAIN ACTIVITY WAS NORTH OF
BOERNE.  THE INDIVIDUAL STORMS WERE MOVING TO THE EAST AT 20 MPH WHILE
THE LINE WAS MOVING SLOWLY SOUTHEASTWARD.

THE SHOWERS AND THUNDERSTORMS WERE OCCURRING ALONG AND AHEAD OF A COLD
FRONT MAKING ITS WAY ACROSS SOUTH TEXAS THIS AFTERNOON.  RESIDENTS OF
SOUTH CENTRAL TEXAS SHOULD BE ALERT TO THE POSSIBILITY OF BRIEF HEAVY
RAINS...GUSTY WINDS...HAIL AND LIGHTNING AS THESE STORMS CONTINUE FOR
THE NEXT SEVERAL HOURS.

STAY TUNED TO NOAA WEATHER RADIO...RADIO OR TELEVISION FOR THE
LATEST UPDATES CONCERNING THIS DEVELOPING WEATHER SITUATION.
Special weather statement, Apr 15, 3:00 PM CDT, 4 hours 30 minutes before
TXZ183>187-189-202>207-217>223-228>230-239-152100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
300 PM CDT FRI APR 15 1994

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 7 PM TONIGHT...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MUCH OF SOUTH
CENTRAL TEXAS THIS AFTERNOON AND EVENING.  AT 300 PM STRONG THUNDERSTORMS
EXTENDED FROM KINNEY AND EDWARDS COUNTY EASTWARD TO NORTHERN BEXAR COUNTY
AND CONTINUING EASTWARD INTO SOUTHEAST TEXAS.  MARBLE-SIZED HAIL WAS
REPORTED IN THE STORM NEAR BOERNE DURING THE PAST HOUR.

INDIVIDUAL STORMS WERE MOVING TOWARD THE EAST AT 20 MPH AS THE ENTIRE
SYSTEM WAS BUILDING SLOWLY SOUTHWARD.  RESIDENTS THROUGHOUT
SOUTH CENTRAL TEXAS SHOULD BE ALERT TO THE POSSIBILITY OF BRIEF HEAVY
RAINS...GUSTY WINDS...HAIL AND LIGHTNING AS THESE STORMS CONTINUE FOR
THE NEXT SEVERAL HOURS.
Special weather statement, Apr 15, 3:10 PM CDT, 4 hours 20 minutes before
TXZ183-152120-

SPECIAL WEATHER STATMENT
NATIONAL WEATHER SERVICE DEL RIO TX
310 PM CDT FRI APR 15 1994

AT 305 PM CDT...RADAR INDICATED WIDELY SCATTERED SHOWERS AND
THUNDERSTORMS HAD DEVELOPED IN VAL VERDE COUNTY FROM ABOUT 30
MILES NORTHWEST OF DEL RIO NORTHWARD TO NEAR PANDALE. ANOTHER AREA OF
THUNDERSATORMS WAS 25 MILES SOUTH OF DEL RIO. THE STRONGEST
THUNDERSTORMS WERE LOCATED NEAR THE RIO GRANDE RIVER SOUTHWEST OF
COMSTOCK. MOVEMENT WAS TO THE EAST AT 20 MPH.

A COLD FRONT TO THE NORTH OF DEL RIO WILL CONTINUE TO TRIGGER SHOWERS
AND THUNDERSTORMS FOR THE NEXT FEW HOURS AS IT MOVES SOUTH.

BOATERS ON LAKE AMISTAD SHOULD BE ALERT TO THE SITUATION AND REMEMBER
THAT SMALL HAIL...DANGEROUS LIGHTNING...AND DAMAGING WINDS ARE POSSIBLE
WITH THESE STORMS AS THEY MOVE ACROSS THE LAKE.
Special weather statement, Apr 15, 3:48 PM CDT, 3 hours 42 minutes before
TXC021-031-053-281-209-453-491-331-287-021-055-149-152130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
344 PM CDT FRI APR 15 1994

...SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR L
Special weather statement, Apr 15, 6:05 PM CDT, 1 hour 25 minutes before
TXZ190-192-191-193-208-194-209-160000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
605 PM CDT FRI APR 15 1994

SCATTERED THUNDERSTORMS WERE SHOWN BY RADAR FROM SAN ANTONIO THROUGH
SAN MARCOS. OTHER THUNDERSTORMS WERE FROM 20 MILES SOUTHEAST OF LULING
TO NEAR HOUSTON.  THEY WERE MOVING TOWARDS THE SOUTHEAST AT 15 MPH.

...THE TORNADO WATCH REMAINS IN EFFECT FOR TRAVIS...BASTROP...FAYETTE...
CALDWELL...HAYS...BLANCO AND LEE COUNTIES UNTIL 11 PM CDT...

STAY TUNED TO THIS STATION FOR THE LATEST WEATHER CONDITIONS...STATE-
MENTS AND POSSIBLE WARNINGS.

PEEK

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 15, 7:12 PM CDTSevere Thunderstorm WarningEWXLa Salle63 min
Apr 15, 7:47 PM CDTSevere Thunderstorm WarningEWXDeWitt58 min
Apr 15, 8:09 PM CDTSevere Thunderstorm WarningEWXLavaca51 min
Apr 15, 8:11 PM CDTSevere Thunderstorm WarningEWXWebb64 min
Apr 15, 8:13 PM CDTSevere Thunderstorm WarningEWXMcMullen62 min
Apr 15, 8:30 PM CDTSevere Thunderstorm WarningEWXDeWitt, Goliad, Victoria60 min
Apr 15, 8:52 PM CDTSevere Thunderstorm WarningEWXLavaca38 min
Apr 15, 9:30 PM CDTSevere Thunderstorm WarningEWXVictoria45 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.