Alert archive / Texas / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 70, NWS Austin/San Antonio, TX

April 29, 1994Kerr County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 29, 1994, 8:07 PM CDT for Kerr County, Texas. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Apr 29, 1994, 8:07 PM CDT (01:07 UTC)
Expired
Apr 29, 1994, 10:15 PM CDT
In force
2 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Kerr County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 1.1 hours before the alert went out and 163 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, Del Rio, TX at 00:00Z on 1994-04-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 25 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, Del Rio, TX at 00:00Z on 1994-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -35 square meters per square second.1939587897Sfc1 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
25 J/kg
Mixed-layer CIN
-317 J/kg
Mixed-layer LCL
1472 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
-35 m²/s²
0-3 km storm-relative helicity
-124 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 300110
SVRSAT
TXC265-300315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
807 PM CDT FRI APR 29 1994
 
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1015 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTH TEXAS
 
   ...KERR COUNTY
 
AT 805 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNERSTORM MOVING INTO WESTERN KERR COUNTY. THIS STORM WAS MOVING
TOWARD EAST AT NEAR 20 MPH AND WILL AFFECT KERR COUNTY RESIDENTS OF
WESTERN KERR COUNTY IN THE NEXT FEW MINUTES.
 
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.

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 29, 2:44 PM CDT, 5 hours 23 minutes before
TXZ142-155-156-171-172-188-292045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
244 PM CDT FRI APR 29 1994

...A TORNADO WATCH IS IN EFFECT FOR MILLS...LAMPASAS...SAN
SABA...BURNET...GILLESPIE AND LLANO COUNTIES UNTIL 10 PM CDT...

...A FLASH FLOOD WATCH IS IN EFFECT FOR PARTS OF THE HILL COUNTRY UNTIL
7 AM CDT...

AT 240 PM NO SIGNIFICANT WEATHER WAS OCCURRING IN EITHER OF THE COUNTIES
LISTED ABOVE...HOWEVER...CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.

IF YOU LIVE IN THESE AREAS BE ON THE LOOKOUT FOR THREATENING WEATHER
CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

TSCHIRHART
Special weather statement, Apr 29, 3:45 PM CDT, 4 hours 22 minutes before
TXZ183-292245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
345 PM CDT FRI APR 29 1994

...TORNADO WATCH FOR VAL VERDE COUNTY IS IN EFFECT UNTIL 1000 PM CDT...

....FLASH FLOOD WATCH FOR VAL VERDE COUNTY IS IN EFFECT THROUGH 700 AM
CDT SATURDAY MORNING...

AT 340 PM CDT RADAR INDICATED NO PRECIPITATION IN VAL VERDE
COUNTY...HOWEVER STRONG THUNDERSTORMS WERE LOCATED EAST OF
SHEFFIELD...105 MILES NORTHWEST OF DEL RIO. MOVEMENT OF THESE STORMS
WERE TO THE EAST AT 35 MPH.

THIS IS A VERY DANGEROUS SITUATION WITH THE POSSIBILITY OF VERY
DAMAGING TORNADOES...LARGE HAIL...DANGEROUS LIGHTNING AND DAMAGING
THUNDERSTORM WINDS.

REMEMBER A FLASH FLOOD WATCH MEANS FLOODING IS POSSIBLE WITHIN THE
WATCH AREA. HEAVY RAIN MAY CAUSE THE RAPID RISE OF CREEKS AND
RIVERS...FLOODING LOW-LYING AREAS AND LOW WATER CROSSING.

PERSONS IN OR NEAR THE WATCH AREAS ARE URGED TO CHECK PREPAREDNESS
REQUIREMENTS...KEEP INFORMED AND BE READY "TO TAKE ACTION IF A WARNING
IS ISSUED.

STAY TUNED TO NOAA WEATHER...RADIO AND TV STATIONS FOR FURTHER
STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, Apr 29, 4:32 PM CDT, 3 hours 35 minutes before
TXZ142-155-156-171-172-188-190-173-192-292330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
433 PM CDT FRI APR 29 1994

...TORNADO WATCH IN EFFECT FOR MILLS...LAMPASAS...LLANO...SAN
SABA...GILLESPIE AND BURNET COUNTIES UNTIL 10 PM CDT...

...FLASH FLOOD WATCH IN EFFECT UNTIL 7 AM CDT SATURDAY FOR PARTS OF THE
HILL COUNTRY WEST OF A LINE FROM BOERNE TO BURNET INCLUDING THE CITIES
OF JOHNSON CITY AND BURNET...

AT 430 PM THERE WERE NO THUNDERSTORMS IN CENTRAL TEXAS OR THE HILL
COUNTRY.  STORMS WERE DEVELOPING FARTHER WEST FROM 30 MILES WEST OF
BRADY TO SANDERSON.  THESE STORMS WERE MOVING TO THE NORTHEAST AT 25
MPH.

CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS ACBROSS MUCH OF THE
STATE.  SOME OF THESE STORMS IN THE WATCH AREA MAY PRODUCE TORNDADOES.
PEOPLE IN AND NEAR THE WATCH AREA SHOULD REMAIN ALERT FOR APPROACHING OR
DEVELOPING THUNDERSTORMS AND BE READY TO MOVE TO SHELTER.

LEACH
Special weather statement, Apr 29, 5:40 PM CDT, 2 hours 27 minutes before
TXZ142-155-156-171-172-188-190-173-192-300030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
540 PM CDT FRI APR 29 1994

...TORNADO WATCH IN EFFECT FOR MILLS...LAMPASAS...LLANO...SAN
SABA...GILLESPIE AND BURNET COUNTIES UNTIL 10 PM CDT...

...FLASH FLOOD WATCH IN EFFECT UNTIL 7 AM CDT SATURDAY FOR PARTS OF THE
HILL COUNTRY WEST OF A LINE FROM BOERNE TO BURNET INCLUDING THE CITIES
OF JOHNSON CITY AND BURNET...

AT 530 PM STRONG STORMS WERE FORMING ALONG A LINE FROM 20 MILES NORTHWEST
OF BRADY TO 40 MILES WEST OF JUNCTION.  THESE STORMS WERE MOVING EAST AT
30 MPH.  OTHER STORMS WERE 15 MILES NORTHWEST OF WACO MOVING SLOWLY NORTH.

CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS AND HEAVY RAINFALL
THROUGHOUT THE HILL COUNTRY AND CENTRAL TEXAS.  TORNADOES AND FLASH
FLOODING ARE POSSIBLE IN AND NEAR THE WATCH AREA.  PEOPLE IN THESE AREAS
SHOULD REMAIN ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AND BE READY
.
TO MOVE TO SHELTER IF A THUNDERSTORM APPROACHES.

LEACH
Special weather statement, Apr 29, 7:21 PM CDT, 46 minutes before
TXZ142-155>156-171>174-188-190>194-208>209-300130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
720 PM CDT FRI APR 29 1994

...TORNADO WATCH IN EFFECT FOR ALL OF THE HILL COUNTRY...CENTRAL AND
SOUTH CENTRAL TEXAS UNTIL 3 AM CDT...

...FLASH FLOOD WATCH IN EFFECT UNTIL 7 AM CDT SATURDAY FOR PARTS OF THE
HILL COUNTRY WEST OF A LINE FROM BOERNE TO BURNET INCLUDING THE CITIES
OF JOHNSON CITY AND BURNET...

AT 715 PM THUNDERSTORMS WERE ALONG A LINE FROM GOLDTHWAITE TO 10 MILES
WEST OF MASON TO 15 MILES SOUTHWEST OF JUNCTION.  OTHER STORMS WERE
IN EASTERN VAL VERDE COUNTY AND IN KINNEY COUNTY.  THESE STORMS WERE
MOVING EAST AT 30 MPH.

CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS AND HEAVY RAINFALL
THROUGHOUT THE HILL COUNTRY AND CENTRAL TEXAS.  TORNADOES AND FLASH
FLOODING ARE POSSIBLE IN AND NEAR THE WATCH AREA.  PEOPLE IN THESE AREAS
.
AREAS SHOULD REMAIN ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS
AND BE READY TO MOVE TO SHELTER IF A THUNDERSTORM APPROACHES.

LEACH

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 29, 7:18 PM CDTTornado WarningEWXKinney42 min
Apr 29, 7:46 PM CDTTornado WarningEWXUvalde59 min
Apr 29, 8:05 PM CDTSevere Thunderstorm WarningEWXVal Verde55 min
Apr 29, 8:43 PM CDTSevere Thunderstorm WarningEWXKinney62 min
Apr 29, 9:42 PM CDTSevere Thunderstorm WarningEWXFrio, Zavala63 min
Apr 30, 11:05 AM CDTSevere Thunderstorm WarningEWXCalhoun, Victoria40 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.