Alert archive / Texas / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 14, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 1, 1990, 11:33 AM CDT for Goliad County, Texas. It was in force for 57 min.
The area
The counties it named.
The facts
- Issued
- Apr 1, 1990, 11:33 AM CDT (16:33 UTC)
- Expired
- Apr 1, 1990, 12:30 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, 4.6 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.
- Mixed-layer CAPE
- 1122 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 540 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 154 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 4.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KVCT 011638 SVRVCT TXC175-011730- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE VICTORIA TX 1133 AM CDT SUN APR 1 1990 THE NATIONAL WEATHER SERVICE IN VICTORIA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1230 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL TEXAS ...GOLIAD COUNTY AT 1030 AM CDT RADAR SHOWED A SEVERE THUNDERSTORM ABOUT 5 MILES SOUTHWEST GOLIAD TEXAS MOVING NORTHEAST ABOUT 10 MILES AN HOUR. LOCALLY HEAVY RAIN AND POSSIBLE HAIL CAN BE EXPECTED WITH THIS THUNDERSTORM. 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 THE 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, Apr 1, 9:42 AM CDT, 1 hour 51 minutes before
TXZ035-038-039-041-011600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 940 AM CDT SUN APR 1 1990 ...SHOWERS AND THUNDERSTORMS INCREASING OVER PARTS OF SOUTH TEXAS... AT 935 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED SHOWERS AND THUNDERSTORMS...SOME WITH HEAVY RAINFALL...SCATTERED IN SOUTHWEST AND SOUTH-CENTRAL TEXAS...FROM EAGLE PASS TO UVALDE TO SOUTH OF SAN ANTONIO TO NEAR THREE RIVERS TO NORTH OF LAREDO. THE STRONGEST THUNDERSTORMS WERE LOCATED BETWEEN COTULLA AND FREER. MOVEMENT OF THE STORMS WAS TO THE NORTHEAST AT 10 MPH. PERIODS OF HEAVY RAIN...DANGEROUS LIGHTNING AND GUSTY WINDS ARE LIKELY TO ACCOMPANY THE STRONGER THUNDERSTORMS. SOME MINOR FLOODING AND PONDING OF WATER OVER LOW-WATER CROSSINGS AND LOW LYING AREAS IS ALSO POSSIBLE. A VERY MOIST AND UNSTABLE AIRMASS ALONG WITH A SERIES OF UPPER-LEVEL DISTURBANCES MOVING ACROSS SOUTH TEXAS WILL CONTINUE THE FAVORABLE CONDITIONS FOR ADDITIONAL THUNDERSTORMS THE REST OF TODAY AND INTO MONDAY. IN FACT...THE CHANCES FOR HEAVY RAINFALL WILL INCREASE AS THE MAIN UPPER LOW PRESSURE CURRENTLY OVER THE SOUTHWEST U.S. MOVES CLOSER TO SOUTH TEXAS OVER THE NEXT 24 TO 36 HOURS. ADDITIONAL BULLE}TINS WILL BE ISSUED PERIODICALLY KEEPING YOU INFORMED OF THE LATEST IN WEATHER DEVELOPMENTS...SO PLEASE STAY TUNED.
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.