Alert archive / Texas / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 75, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Aug 31, 1990, 8:05 PM CDT for DeWitt County, Texas. It was in force for 55 min.
The area
The counties it named.
The facts
- Issued
- Aug 31, 1990, 8:05 PM CDT (01:05 UTC)
- Expired
- Aug 31, 1990, 9:00 PM CDT
- In force
- 55 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County DeWitt 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 00:00Z, 1.1 hours before the alert went out and 150 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
- 583 J/kg
- Mixed-layer CIN
- -134 J/kg
- Mixed-layer LCL
- 1866 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KVCT 010105 SVRVCT TXC123-010200- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE VICTORIA TX 805 PM CDT FRI AUG 31 1990 THE NATIONAL WEATHER SERVICE IN VICTORIA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 900 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL TEXAS ...DEWITT COUNTY AT 800 PM CDT VICTORIA RADAR SHOWED A SEVERE THUNDERSTORM 12 MILES NORTH OF YORKTOWN MOVING WEST SOUTHWEST AT 20 MPH. 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, Aug 31, 5:40 PM CDT, 2 hours 25 minutes before
TXZ036-039-040-312345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO, TX 540 PM CDT FRI AUG 31 1990 ...A SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 10 PM FOR COMAL...GUADALUPE ...GONZALES...AND KARNES COUNTIES... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH EFFECTIVE UNTIL 1000 PM CDT TONIGHT FOR PORTIONS OF SOUTH CENTRAL AND SOUTHEAST TEXAS...INCLUDING THE ABOVE MENTIONED COUNTIES. AT 535 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED AN AREA OF THUNDERSTORMS...WITH VERY HEAVY RAIN...FROM EAST OF AUSTIN TO COLLEGE STATION TO NEAR PALACIOS. THE THUNDERSTORMS WERE MOVING TO THE SOUTHWEST AT 25 MPH. THESE THUNDERSTORMS ARE EXPECTED TO CONTINUE MOVING TOWARD SOUTH CENTRAL TEXAS AND COULD BECOME SEVERE...PRODUCING LARGE HAIL...DAMAGING WINDS... AND BRIEF HEAVY RAINS. PERSONS IN AND NEAR THE WATCH AREA ARE URGED TO LISTEN TO THE LATEST INFORMATION FROM THE NATIONAL WEATHER SERVICE IN }THE EVENT WARNINGS ARE REQUIRED.
Special weather statement, Aug 31, 5:45 PM CDT, 2 hours 20 minutes before
TXZ036-037-312359- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 545 PM CDT FRI AUG 31 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR TRAVIS...WILLIAMSON... HAYS AND ALL COUNTIES TO THE EAST...UNTIL 10 PM CDT THIS FRIDAY EVENING... JUST BEFORE 6 PM...RADAR SHOWED NUMEROUS THUNDERSTORMS OVER THE COASTAL PLAINS...BETWEEN COLLEGE STATION AND LA GRANGE EASTWARD TO THE COAST. INTENSE THUNDERSTORMS WERE LOCATED BETWEEN BASTROP AND LA GRANGE...ALSO AROUND COLUMBUS. OTHER INTENSE STORMS WERE SOUTHEAST OF COLLEGE STATION NEAR BRENHAM AND ON THE WEST SIDE OF HOUSTON. ALL WERE MOVING TO THE WEST AND SOUTHWEST AT NEAR 20 MPH. THE THUNDERSTORMS NOW ALONG THE COLORADO RIVER ARE MOVING INTO A DRASTIC THERMAL CONTRAST AND COULD PRODUCE SIGNIFICANT WIND GUSTS AS THEY MOVE INTO AND WILL LIKELY DIE-OUT OVER SOUTH CENTRAL TEXAS AFTER DARK.
Special weather statement, Aug 31, 6:34 PM CDT, 1 hour 31 minutes before
TXZ036-039-040-010030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO, TX 630 PM CDT FRI AUG 31 1990 ...A SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 10 PM FOR PORTIONS OF SOUTH CENTRAL TEXAS...INCLUDING COMAL...GUADALUPE...GONZALES...AND KARNES COUNTIES... AT 630 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...FROM NEAR AUSTIN TO NEAR PALACIOS. THE STRONGEST THUNDERSTORMS IN SOUTH CENTRAL TEXAS WERE EAST AND NORTHEAST OF THE TOWN OF WAELDER IN GONZALES COUNTY. MOVEMENT OF THE STORMS WAS TO THE SOUTHWEST AT 25 MPH...AND WILL BE MOVING INTO GONZALES COUNTY WITHIN THE HOUR. THESE THUNDERSTORMS COULD BECOME SEVERE...PRODUCING LARGE HAIL... DAMAGING WINDS...AND BRIEF HEAVY RAINS. PERSONS IN AND NEAR THE WATCH AREA ARE URGED TO LISTEN TO THE LATEST INFORMATION FROM THE NATIONAL WEATHER SERVICE IN THE EVENT WARNINGS ARE REQUIRED.
Special weather statement, Aug 31, 6:57 PM CDT, 1 hour 8 minutes before
TXZ036-037-010100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 655 PM CDT FRI AUG 31 1990 ...THE SEVERE THUNDERSTORM WARNING ISSUED EARLIER FOR BURLESON COUNTY HAS BEEN CANCELLED. THE STORM RESPONSIBLE FOR THAT WARNING RAPIDLY DIMINISHED IN INTENSITY. ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR TRAVIS...WILLIAMSON... HAYS AND ALL COUNTIES TO THE EAST...UNTIL 10 PM CDT THIS FRIDAY EVENING... JUST BEFORE 7 PM...RADAR SHOWED A LINE OF SHOWERS AND THUNDERSTORMS FROM AUSTIN TO SOUTH OF BASTOP AND WEST OF LA GRANGE. THE STRONGEST STORM WAS NEAR SMITHVILLE. ANOTHER LINE OF DEVELOPING SCATTERED THUNDERSTORMS WAS NOTED FROM WACO ...CAMERON...CALDWELL..BRENHAM...AND WHARTON. THE STRONGEST STORM WAS LACATED NEAR CAMERON AND BRENHAM. MOVEMENT WAS TO THE SOUTHWEST AT 25 MPH. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING DAMAGING WINDS...LARGE HAIL...AND VERY HEAVY RAINS. PERSONS SHOULD MONITOR WEATHER CONDTIONS AWND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Aug 31, 7:35 PM CDT, 30 minutes before
TXZ036-039-040-010135- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO, TX 735 PM CDT FRI AUG 31 1990 ...A SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 10 PM FOR PORTIONS OF SOUTH CENTRAL TEXAS...INCLUDING COMAL...GUADALUPE...GONZALES...AND KARNES COUNTIES... AT 730 PM CDT...A LINE OF THUNDERSTORMS...SOME WITH VERY HEAVY RAIN... WERE INDICATED FROM NEAR LOCKHART TO NORTH OF VICTORIA...MOVING TO THE SOUTHWEST AT 20 MPH. THE STORM NEAR LOCKHART WILL BE MOVING INTO GUADALUPE COUNTY WITHIN THE NEXT HOUR. AN INTENSE THUNDERSTORM WAS ALSO LOCATED NEAR CUERO, TEXAS. SEVERE WEATHER HAS BEEN REPORTED WITH SOME OF THESE STORMS EARLIER THIS EVENING. ALONG WITH THE VERY HEAVY RAINS...DAMAGING WINDS...AND LARGE HAIL...MAY ACCOMPANY THE STRONGER THUNDERSTORMS. PERSONS IN AND NEAR THE WATCH AREA ARE URGED TO LISTEN TO THE LATEST INFORMATION FROM THE NATIONAL WEATHER SERVICE IN THE EVENT WARNINGS ARE REQUIRED.
Special weather statement, Aug 31, 7:37 PM CDT, 28 minutes before
TXZ036-039-040-010130- SPECIAL WEATHER STATEMENT...CORRECTION NATIONAL WEATHER SERVICE SAN ANTONIO, TX 740 PM CDT FRI AUG 31 1990 ...A SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 10 PM FOR PORTIONS OF SOUTH CENTRAL TEXAS...INCLUDING COMAL...GUADALUPE...GONZALES...AND KARNES COUNTIES... AT 730 PM CDT...A LINE OF THUNDERSTORMS...SOME WITH VERY HEAVY RAIN... WERE INDICATED FROM NEAR LOCKHART TO NORTH OF VICTORIA...MOVING TO THE SOUTHWEST AT 20 MPH. THE STORM NEAR LOCKHART WILL BE MOVING INTO GUADALUPE COUNTY WITHIN THE NEXT HOUR. AN INTENSE THUNDERSTORM WAS ALSO LOCATED NEAR CUERO, TEXAS. SEVERE WEATHER HAS BEEN REPORTED WITH SOME OF THESE STORMS EARLIER THIS EVENING. ALONG WITH THE VERY HEAVY RAINS...DAMAGING WINDS...AND LARGE HAIL...MAY ACCOMPANY THE STRONGER THUNDERSTORMS. PERSONS IN AND NEAR THE WATCH AREA ARE URGED TO LISTEN TO THE LATEST INFORMATION FROM THE NATIONAL WEATHER SERVICE IN THE EVENT WARNINGS ARE REQUIRED.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 31, 7:47 PM CDT | Severe Thunderstorm Warning | EWX | Jackson, Victoria | 58 min |
| Aug 31, 8:06 PM CDT | Severe Thunderstorm Warning | EWX | Gonzales, Karnes | 69 min |
| Aug 31, 8:42 PM CDT | Severe Thunderstorm Warning | EWX | Wilson | 48 min |
| Aug 31, 9:41 PM CDT | Severe Thunderstorm Warning | EWX | Bexar | 49 min |
| Sep 1, 1:29 PM CDT | Severe Thunderstorm Warning | EWX | Bexar | 46 min |
| Sep 1, 2:12 PM CDT | Severe Thunderstorm Warning | EWX | Travis | 48 min |
| Sep 1, 2:14 PM CDT | Severe Thunderstorm Warning | EWX | Gonzales, Karnes | 61 min |
| Sep 1, 2:41 PM CDT | Severe Thunderstorm Warning | EWX | Wilson | 64 min |
| Sep 1, 3:14 PM CDT | Severe Thunderstorm Warning | EWX | Gonzales | 46 min |
| Sep 1, 3:17 PM CDT | Severe Thunderstorm Warning | EWX | Burnet | 58 min |
| Sep 1, 3:25 PM CDT | Tornado Warning | EWX | Bexar | 50 min |
| Sep 1, 3:47 PM CDT | Severe Thunderstorm Warning | EWX | Atascosa | 43 min |
| Sep 1, 4:09 PM CDT | Severe Thunderstorm Warning | EWX | Hays, Travis | 66 min |
| Sep 1, 4:34 PM CDT | Severe Thunderstorm Warning | EWX | Lampasas | 41 min |
| Sep 1, 5:00 PM CDT | Severe Thunderstorm Warning | EWX | Medina, Uvalde | 45 min |
| Sep 1, 5:20 PM CDT | Severe Thunderstorm Warning | EWX | Bexar | 40 min |
| Sep 1, 5:47 PM CDT | Severe Thunderstorm Warning | EWX | Medina | 43 min |
| Sep 1, 6:11 PM CDT | Severe Thunderstorm Warning | EWX | Uvalde | 49 min |
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.