Alert archive / Texas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 66, NWS Austin/San Antonio, TX

July 12, 1990Goliad County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jul 12, 1990, 6:48 PM CDT for Goliad County, Texas. It was in force for 57 min.

The area

The counties it named.

The facts

Issued
Jul 12, 1990, 6:48 PM CDT (23:48 UTC)
Expired
Jul 12, 1990, 7:45 PM CDT
In force
57 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Goliad County, TX

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 11.8 hours before the alert went out and 103 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 12:00Z on 1990-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1124 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 12:00Z on 1990-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -25 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
1124 J/kg
Mixed-layer CIN
-93 J/kg
Mixed-layer LCL
813 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-25 m²/s²
0-3 km storm-relative helicity
8 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 KVCT 122353
SVRVCT
TXC175-130045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE VICTORIA TX
648 PM CDT THU JUL 12 1990
 
THE NATIONAL WEATHER SERVICE IN VICTORIA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  745 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL TEXAS
 
   ...GOLIAD COUNTY
 
AT 640 PM CDT GOLIAD SHERIFFS DEPARTMENT REPORTED GOLF BALL SIZE HAIL
HAIL IN FANNIN TEXAS. AT 645 PM CDT VICTORIA RADAR INDICATED A STRONG
THUNDERSTORM OCCURRING OVER GOLIAD. THIS THUNDERSTORM WAS MOVING
SOUTHEAST AT 15 MILES AN HOUR.
 
 
REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCE WARNING.
REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS.
 
IF THREATING WEATHER APPROACHES YOU SHOULD GO TO A SAFE PLACE
IMMEDIATELY...YOU SHOULD ASK THE NEAREST LAW ENFORCEMENT AGENCY
TO RELAY YOUR SEVERE WEATHER REPORTS TO TH(E LOCAL NATIONAL
WEATHER SERVICE OFFICE.

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, Jul 12, 1:01 PM CDT, 5 hours 47 minutes before
TXZ034-035-038>041-121900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
100 PM CDT THU JUL 12 1990

...SCATTERED SHOWERS AND COOLER WEATHER IN STORE FOR SOUTH TEXAS...

SOME RELIEF FROM THE SUMMER HEAT IS LIKELY ACROSS SOUTH TEXAS THE NEXT
COUPLE OF DAYS AS AN UNUSUALLY STRONG COLDFRONT TRACKS SOUTHWARD ACROSS
TEXAS.  BY EARLY AFTERNOON THE FRONT HAD MOVED INTO THE TEXAS HILL
COUNTRY AND SOUTH CENTRAL TEXAS AND CONTINUED TO PUSH STEADILY
SOUTHWARD.  BEHIND THE FRONT COOLER NORTH WINDS DROPPED TEMPERATURES
INTO THE 70S AND 80S OVER NORTH TEXAS.  AFTER ANOTHER HOT DAY OVER
MOST OF SOUTH TEXAS TODAY WITH READINGS MOSTLY IN THE 90S TEMPERATURES
SHOULD DROP INTO THE 60S OVER THE HILL COUNTRY TONIGHT.  FRIDAY SHOULD
BE NOTICEABLY COOLER AS THE FRONT REACHES FAR SOUTH TEXAS AND MUCH OF
SOUTH TEXAS SHOULD SEE HIGHS ONLY IN THE 80S WITH LOWS FRIDAY NIGHT
DIPPING INTO THE 60S.

IN ADDITION TO THE COOLER TEMPERATURES...SHOWERS AND THUNDERSTORMS ARE
LIKELY TO ACCOMPANY THE FRONT BRINGING MUCH NEEDED MOISTURE TO
THE AREA.
Special weather statement, Jul 12, 2:33 PM CDT, 4 hours 15 minutes before
TXZ054-122035-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
235 PM CDT THU JUL 12 1990

AT 225 PM CDT RADAR INDICATED A LINE OF THUNDERSTORMS AND
RAINSHOWERS FROM NEAR DRYDEN TO DEL RIO TO ROCKSPRINGS. THESE
THUNDERSTORMS ARE FORMING ALONG A SLOW MOVING COLD FRONT THAT IS MOVING
THROUGH VAL VERDE COUNTY. THE STORMS WERE MOVING SLOWLY TO THE
SOUTHEAST.

THUNDERSTORMS WITH HEAVY RAINS AND STRONG SURFACE WINDS HAVE BEEN
REPORTED EARLIER WITH THESE STORMS.

HEAVY RAIN...SMALL HAIL...FREQUENT DANGEROUS LIGHTNING AND STRONG GUSTY
WINDS ARE POSSIBLE WITH THESE STORMS.

BOATERS AND FISHERMEN ON LAKE AMISTAD AND SURROUNDING RIVERS SHOULD BE
PREPARED TO MOVE TO SHORE AND AWAY FROM THE WATER IF THUNDER IS
HEARD OR LIGHTNIN IS SEEN.
Special weather statement, Jul 12, 2:55 PM CDT, 3 hours 53 minutes before
TXZ034-035-038>041-122200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
255 PM CDT THU JUL 12 1990

...WIDELY SCATTERED SHOWERS AND THUNDERSTORMS ALONG WITH AN UNUSUAL
   MID JULY COLD FRONT MOVING THROUGH SOUTH CENTRAL TEXAS...

A COLD FRONT IS MOVING THROUGH THE SAN ANTONIO METROPOLITAN AREA AND
SOUTH CENTRAL TEXAS THIS AFTERNOON PRODUCING WIDELY SCATTERED SHOWERS
AND THUNDERSTORMS...AND COOLER WEATHER.

AFTER THE COLD FRONT PASSED BY THE SAN ANTONIO INTERNATIONAL AIRPORT...
TEMPERATURE DROPPED TO 83 DEGREES BY 255 PM AND NORTH WINDS GUSTED TO
33 MILES AN HOUR.  THE HIGH TEMPERATURE OF 98 DEGREES FOR THE DAY
OCCURRED BEFORE THE COLD FRONT CAME THROUGH.

A THUNDERSTORM PRODUCED 1.5 INHCES OF RAIN EARLY THIS AFTERNOON
8 MILES SOUTHWEST OF WIMBERLY IN WESTERN COMAL COUNTY.  CENTER POINT
ALSO REPORTED A STRONG THUNDERSTORM.  DITCHES WERE REPORTED RUNNING
IN WESTERN COMAL COUNTY AFTER THE HEAVY RAIN FELL IN A SHOR	T PERIOD
OF TIME.

MOTORISTS DRIVING THROUGHOUT SOUTH CENTRAL TEXAS SHOULD DRIVE WITH
CAUTION IN THUNDERSTORMS...WHERE BRIEF PERIODS OF HEAVY RAIN WILL
MAKE FOR LOWERED VISIBILITY AND SLIPPERY ROADS.
Special weather statement, Jul 12, 3:50 PM CDT, 2 hours 58 minutes before
TXZ054-122150-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
350 PM CDT THU JUL 12 1990

AT 345 PM CDT RADAR INDICATED A LINE OF THUNDERSTORMS AND
RAINSHOWERS FROM DRYDEN TO 15 MILES NORTH OF DEL RIO TO ROCKSPRINGS.
THE STORMS WERE MOVING SOUTHEAST AT 10 MPH.

THUNDERSTORMS WITH HEAVY RAINS WERE CONTINUING IN CENTRAL VEL VERDE
COUNTY. OVER ONE INCH OF RAIN WAS REPORTED AT THE WHISTLER RANCH NEAR
LOMA ALTA.

HEAVY RAIN...SMALL HAIL...FREQUENT DANGEROUS LIGHTNING AND STRONG GUSTY
WINDS ARE POSSIBLE WITH THESE STORMS.

BOATERS AND FISHERMEN ON LAKE AMISTAD AND SURROUNDING RIVERS SHOULD
CONTINUE TO KEEP A WATCHFUL EYE FOR THREATENING WEATHER AND BE PREPARED
TO MOVE TO SHORE MAND AWAY FROM THE WATER IF THUNDER IS HEARD OR
LIGHTNING IS SEEN.
Special weather statement, Jul 12, 4:23 PM CDT, 2 hours 25 minutes before
TXZ034>036-038-039-122230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
425 PM CDT THU JUL 12 1990

...RAINFALL VERY SPOTTY ALONG THE COLD FRONT...

THE COLD FRONT WHICH MOVED THROUGH SAN ANTONIO DURING THE PAST COUPLE
OF HOURS PRODUCED SPOTTY RAINFALL.  IT APPEARS THAT MOST AREAS RECEIVED
LESS THAN ONE QUARTER OF AN INCH.  OFFICIALLY AT THE AIRPORT...ONLY A
TRACE FELL SO FAR THROUGH 400 PM.

ISOLATED AREAS WERE MORE LUCKY AS SOME HEAVIER REPORTS HAVE BEEN RECEIVED.
THE HIGHEST AMOUNT REPORTED SO FAR WAS PARADE RANCH NEAR LEAKEY WHERE
1.75" WAS REPORTED.  ELSEWHERE GONZALES REPORTED 0.50" EARLIER TODAY...
JOHNSON CITY 0.63" AT MIDDAY...AND LAGONA RANCH NEAR UVALDE REPORTED
0.45" DURING THE EARLY AFTERNOON.

RAINFALL OVER THE EDWARDS AQUIFER RECHARGE ZONE WAS SPOTTY AS WELL...
S0 NO SIGNIFICANT HELP HAS BEEN RECEIVED FROM THESE SHOWERS.  THE
AQUIFER LEVEL MAY RECOVER SLIGHTLY BUT NOT ENOUGH TO CHANGE ANY
CONSERVATION EFFORTS ALREADY IN PLACE OR PLANNED.  SCATTERED SHOWERS
AND THUNDERSTORMS ARE EXPECTED ON FRIDAY...HOWEVER NO WIDESPREAD
HEAVY AMOUNTS ARE EXPECTED.
Special weather statement, Jul 12, 4:55 PM CDT, 1 hour 53 minutes before
TXZ054-122355-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
455 PM CDT THU JUL 12 1990

AT 450 PM CDT RADAR INDICATED A LINE OF THUNDERSTORMS AND
RAINSHOWERS CONTINUING IN VAL VERDE COUNTY. THE STORMS WERE LOCATED
NEAR DRYDEN TO 10 MILES NORTH OF DEL RIO TO ROCKSPRINGS. THE STORMS WERE
MOVING SOUTHEAST AT 10 MPH.

HEAVY RAIN WAS CONTINUING TO FALL IN CENTRAL VAL VERDE COUNTY. BAKERS
CROSSING LOCATED 30 MILES NORTH OF COMSTOCK REPORTED 1.53 INCHES OF
RAIN.

HEAVY RAIN...SMALL HAIL...FREQUENT DANGEROUS LIGHTNING AND STRONG GUSTY
WINDS ARE POSSIBLE WITH THESE STORMS.

BOATERS AND FISHERMEN ON LAKE AMISTAD AND SURROUNDING RIVERS SHOULD
CONTINUE TO KEEP A WATCHFUL EYE FOR THREATENING WEATHER AND BE PREPARED
TO MOVE TO SHORE AND AWAY FROM THE WATER IF THUNDER IS HEARD OR
LIGHTNING IS SEEN.

Nearby

Severe Thunderstorm Warnings in Texas, 1990Every severe thunderstorm warning in 1990

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.