Alert archive / Texas / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 76, NWS Austin/San Antonio, TX

May 7, 1994Val Verde County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 7, 1994, 11:40 PM CDT for Val Verde County, Texas. It was in force for 50 min.

The area

The counties it named.

The facts

Issued
May 7, 1994, 11:40 PM CDT (04:40 UTC)
Expired
May 8, 1994, 12:30 AM CDT
In force
50 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Val Verde County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 4.7 hours before the alert went out and 66 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 1994-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2563 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 1994-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -39 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
2563 J/kg
Mixed-layer CIN
-120 J/kg
Mixed-layer LCL
1593 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
-39 m²/s²
0-3 km storm-relative helicity
-18 m²/s²
Significant tornado parameter
-0.1
Supercell composite
-1.7

Open this sounding in Storm Lab

The text

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

000 
WUUS1 KDRT 080438 RRA
SVRDRT
TXC465-080530-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DEL RIO TX
1140 PM CDT SAT MAY 7 1994

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 1230 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTY IN

SOUTHCENTRAL TEXAS...VAL VERDE

AT 1135 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM NEAR THE COMSTOCK AREA...30 MILES NORTHWEST OF DEL RIO.
MOVEMENT WAS TO THE SOUTHEAST AT 15 MPH.

THIS STORM WILL LIKELY PRODUCE LARGE HAIL...STRONG WINDS AND FREQUENT
DANGEROUS LIGHTNING.

PEOPLE IN THE PATH OF THIS STORM SHOULD TAKE IMMEDIATE ACTION TO PROTECT
THEIR LIVES.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60
MPH..DESTRUCTIVE HAIL..DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR
BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DONT DRIVE INTO AREAS WHERE
WATER COVERS THE ROAD.

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 7, 11:23 PM CDT, 17 minutes before
TXZ184>189-202>207-217>223-228-080600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
1125 PM CDT SAT MAY 7 1994

...SEVERE THUNDERSTORM WATCH IN EFFECT ALONG AND NORTH OF AN EAGLE PASS TO
SAN ANTONIO TO KARNES CITY TO GONZALES LINE UNTIL 300 AM SUNDAY MORNING...

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

AT 1120 PM...SCATTERED THUNDERSTORMS CONTINUED TO FROM ALONG A COLD FRONT THAT
STRETCHED FROM NEAR BURNET TO KERRVILLE TO COMSTOCK AND LANGTRY JUST WEST OF
DEL RIO.  THE FRONT AND ITS ASSOCIATED THUNDERSTORMS WERE MOVING TOWARD THE
SOUTHEAST AT 20 MILES AN HOUR.  VERY HEAVY RAIN...DANGEROUS LIGHTNING...
MARBLE-SIZED HAIL AND WIND GUSTS TO NEAR 30 MILES AN HOUR HAD BEEN REPORTED IN
THESE THUNDERSTORMS.

THE HEAVIEST RAIN AT 1120 PM WAS FALLING ALONG THE EDWARDS/KINNEY COUNTY
LINE...ABOUT 15 MILES NORTH OF BRACKETTVILLE.  RADAR SUGGESTS THAT LESS THAN
AN INCH HAS FALLEN OVER THIS AREA IN THE PAST HOUR...BUT IF THE STORMS SLOW
THEIR MOVEMENT AGAIN...LOW WATER CROSSINGS AND SLOW-DRAINING AREAS ALONG THE
WEST FORK OF THE NUECES RIVER COULD BEGIN TO FLOOD.
Special weather statement, May 7, 11:23 PM CDT, 17 minutes before
TXZ183-080500-

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
1125 PM CDT SAT MAY 7 1994

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR VAL VERDE COUNTY UNTIL
 300AM SUNDAY MORNING...

AT 1120 PM CDT...A POSSIBLE FUNNEL CLOUD WAS REPORTED NEAR THE ROUGH
CANYON BY SPOTTERS.  MOVING TO THE SOUTHEAST AT 20 MPH. PERSONS IN THE
PATH OF THIS STORM SHOULD BE ALERT TO THE APPROACHING STORMS.

PEA SIZED HAIL WAS BEING REPORTED IN THE LOS CAMPOS AREA.  BOATERS AND
FISHERMAN ALONG LAKE AMITSAD SHOULD CONSIDER TO SEEK SAFE SHELTER IF
THREATNING WEATHER APPROACHES.

TUNED TO NOAA WEATHER...RADIO AND TV STATIONS FOR FURTHER STATEMENTS OR
POSSIBLE WARNINGS.
Special weather statement, May 7, 11:25 PM CDT, 15 minutes before
TXZ183-080500-

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
1125 PM CDT SAT MAY 7 1994

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR VAL VERDE COUNTY UNTIL
 300AM SUNDAY MORNING...

AT 1120 PM CDT...A POSSIBLE FUNNEL CLOUD WAS REPORTED NEAR THE ROUGH
CANYON BY SPOTTERS.  MOVING TO THE SOUTHEAST AT 20 MPH. PERSONS IN THE
PATH OF THIS STORM SHOULD BE ALERT TO THE APPROACHING STORMS.

PEA SIZED HAIL WAS BEING REPORTED IN THE LOS CAMPOS AREA.  BOATERS AND
FISHERMAN ALONG LAKE AMITSAD SHOULD CONSIDER TO SEEK SAFE SHELTER IF
THREATNING WEATHER APPROACHES.

TUNED TO NOAA WEATHER...RADIO AND TV STATIONS FOR FURTHER STATEMENTS OR
POSSIBLE WARNINGS.
Special weather statement, May 7, 11:25 PM CDT, 15 minutes before
TXZ184>189-202>207-217>223-228-080600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
1125 PM CDT SAT MAY 7 1994

...SEVERE THUNDERSTORM WATCH IN EFFECT ALONG AND NORTH OF AN EAGLE PASS TO
SAN ANTONIO TO KARNES CITY TO GONZALES LINE UNTIL 300 AM SUNDAY MORNING...

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

AT 1120 PM...SCATTERED THUNDERSTORMS CONTINUED TO FROM ALONG A COLD FRONT THAT
STRETCHED FROM NEAR BURNET TO KERRVILLE TO COMSTOCK AND LANGTRY JUST WEST OF
DEL RIO.  THE FRONT AND ITS ASSOCIATED THUNDERSTORMS WERE MOVING TOWARD THE
SOUTHEAST AT 20 MILES AN HOUR.  VERY HEAVY RAIN...DANGEROUS LIGHTNING...
MARBLE-SIZED HAIL AND WIND GUSTS TO NEAR 30 MILES AN HOUR HAD BEEN REPORTED IN
THESE THUNDERSTORMS.

THE HEAVIEST RAIN AT 1120 PM WAS FALLING ALONG THE EDWARDS/KINNEY COUNTY
LINE...ABOUT 15 MILES NORTH OF BRACKETTVILLE.  RADAR SUGGESTS THAT LESS THAN
AN INCH HAS FALLEN OVER THIS AREA IN THE PAST HOUR...BUT IF THE STORMS SLOW
THEIR MOVEMENT AGAIN...LOW WATER CROSSINGS AND SLOW-DRAINING AREAS ALONG THE
WEST FORK OF THE NUECES RIVER COULD BEGIN TO FLOOD.
Special weather statement, May 7, 11:35 PM CDT, 5 minutes before
TXZ171-172-188-190-173-192-191-193-208-070630-

SPECIAL WEATHER STATEMENT...CORRECTED FOR DATE...
NATIONAL WEATHER SERVICE AUSTIN TX
1135 PM CDT SAT MAY 7 1994

...THE SEVERE THUNDERSTORM WATCH IS CANCELLED FOR
BASTROP...LLANO...BURNET AND WILLIAMSON COUNTIES...

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFECT FOR
GILLESPIE...BLANCO...TRAVIS...CALDWELL AND HAYS COUNTIES UNTIL 3 AM
CDT...

AT 1130 PM THERE WAS NO SHOWER OR THUNDERSTORM ACTIVITY IN ANY OF THE
ABOVE COUNTIES REMAINING UNDER THE WATCH. ALL THUNDERSTORM ACTIVITY WAS
CONFINED TO SOUTHWEST TEXAS.

HOWEVER...CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORM DEVELOPMENT
IN AND NEAR THE WATCH AREA. IF YOU LIVE IN ANY OF THE COUNTIES UNDER THE
WATCH YOU SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS IN
AND AROUND YOUR COUNTY.

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER STATEMENTS AND POSSIBLE
WARNINGS.

TSCHIRHART
Special weather statement, May 7, 11:36 PM CDT, 4 minutes before
TXZ171-172-188-190-173-192-191-193-208-070630-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
1135 PM CDT WED APR 6 1994

...THE SEVERE THUNDERSTORM WATCH IS CANCELLED FOR
BASTROP...LLANO...BURNET AND WILLIAMSON COUNTIES...

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFECT FOR
GILLESPIE...BLANCO...TRAVIS...CALDWELL AND HAYS COUNTIES UNTIL 3 AM
CDT...

AT 1130 PM THERE WAS NO SHOWER OR THUNDERSTORM ACTIVITY IN ANY OF THE
ABOVE COUNTIES REMAINING UNDER THE WATCH. ALL THUNDERSTORM ACTIVITY WAS
CONFINED TO SOUTHWEST TEXAS.

HOWEVER...CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORM DEVELOPMENT
IN AND NEAR THE WATCH AREA. IF YOU LIVE IN ANY OF THE COUNTIES UNDER THE
WATCH YZOU SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS IN
AND AROUND YOUR COUNTY.

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER STATEMENTS AND POSSIBLE
WARNINGS.

TSCHIRHART

The office that day

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

IssuedProductOfficeCountiesLasted
May 7, 10:01 PM CDTSevere Thunderstorm WarningEWXEdwards59 min
May 8, 1:39 AM CDTSevere Thunderstorm WarningEWXMaverick66 min
May 8, 2:17 AM CDTSevere Thunderstorm WarningEWXZavala58 min
May 8, 2:33 AM CDTSevere Thunderstorm WarningEWXDimmit57 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.