Alert archive / Texas / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 39, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 28, 1989, 8:06 PM CDT for La Salle County, Texas. It was in force for 69 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Apr 28, 1989, 8:06 PM CDT (01:06 UTC)
- Expired
- Apr 28, 1989, 9:15 PM CDT
- In force
- 69 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County La Salle County, TX
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 28, 8:25 PM CDT | Hail 1.75 | La Salle, TX |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 1.1 hours before the alert went out and 204 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
- 1339 J/kg
- Mixed-layer CIN
- -53 J/kg
- Mixed-layer LCL
- 2503 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSAT 290107
SVRSAT
TXC283-290215-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
806 PM CDT FRI APR 28 1989
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 915 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTH TEXAS
...LASALLE
WEATHER SERVICE RADAR INDICATES THUNDERSTORMS HAVE CONTINUED TO
INTENSIFY IN NORTHERN LASALLE COUNTY. A STORM JUST NORTH OF COTULLA
WAS INDICATED AS CONTAINING LARGE HAIL. DAMAGING WINDS ARE ALSO
POSSIBLE WITH THIS STORM. IT HAS BEEN MOVING TO THE SOUTHEAST AT 10
MILES AN HOUR. PERSONS IN THE PATH OF THIS STORM SHOULD MOVE TO A SAFE
AND STURDY LOCATION.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...HAIL
3/4 INCH OR MORE IN DIAMETER...FREQUENT LIGHTNING AND VERY HEAVY
RAIN.
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 28, 4:59 PM CDT, 3 hours 7 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 5 PM CDT FRI APRIL 28 1989 ...SEVERE THUNDERSTORM WATCHES NUMBER 136 AND 137 ARE IN EFFECT UNTILL LATE TONIGHT FOR ALL COUNTIES WITHIN 100 MILES OF AUSTIN... ...THE TORNADO WARNING IS NO LONGER IN EFFECT FOR EAST CENTRAL BURNET AND WESTERN WILLIAMSON COUNTY...UP TO MARBLE SIZE HAIL AND MODERATE RAINS WERE REPORTED ON THE BURNET COUNTY WILLIAMSON COUNTY LINE... INTENSE THUNDERSTORMS WERE LOCATED NORTH OF BRIGGS...BETWEEN LIBERLY HILL AND MARBLE FALLS...20 MILES WEST OF AUSTIN AND SOUTH OF BLANCO. MOVEMENT IS EAST AND NORTHWEST AT LESS THAN 10 MPH. PERSONS IN SOUTH CENTRAL TEXAS SHOULD STAY ALERT AND BE PREPARED TO TAKE ACTIONK IF A WARNING IS ISSUED...STAY TUNED FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Apr 28, 5:03 PM CDT, 3 hours 3 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 5 PM CDT FRI APRIL 28 1989 ...SEVERE THUNDERSTORM WATCHES NUMBER 136 AND 137 ARE IN EFFECT UNTILL LATE TONIGHT FOR ALL COUNTIES WITHIN 100 MILES OF AUSTIN... ...THE TORNADO WARNING IS NO LONGER IN EFFECT FOR EAST CENTRAL BURNET AND WESTERN WILLIAMSON COUNTY...UP TO MARBLE SIZE HAIL AND MODERATE RAINS WERE REPORTED ON THE BURNET COUNTY WILLIAMSON COUNTY LINE... INTENSE THUNDERSTORMS WERE LOCATED NORTH OF BRIGGS...BETWEEN LIBERLY HILL AND MARBLE FALLS...20 MILES WEST OF AUSTIN AND SOUTH OF BLANCO. MOVEMENT IS EAST AND NORTHEAST AT LESS THAN 10 MPH. PERSONS IN SOUTH CENTRAL TEXAS SHOULD STAY ALERT AND BE PREPARED TO TAKE ACTION IF A WARNING IS ISSUED...STAY TUNED FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Apr 28, 5:54 PM CDT, 2 hours 12 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 555 PM CDT FRI APR 28 1989 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR THE HILL COUNTRY AND SOUTH CENTRAL TEXAS EXTENDING EASTWARD TO INCLUDE MUCH OF EAST AND SOUTHEAST TEXAS... THUNDERSTORMS CONTINUED TO DEVELOP THIS EVENING OVER THE HILL COUNTRY FROM NEAR JUNCTION TO KERRVILLE AND EASTWARD TO FREDERICKSBURG. OTHER THUNDERSTORMS WERE WEST OF SAN ANTONIO AND EXTENDED EASTWARD INTO TO KARNES COUNTY. MOVEMENT WAS SLOWLY TOWARD THE SOUTHEAST. ALTHOUGH NO SEVERE WEATHER HAS BEEN REPORTED HEAVY RAINS...SMALL HAIL AND HIGH WINDS ARE LIKELY WITH THESE STORMS. IN ADDITION...THE STORMS SLOW MOVEMENT WILL LIKELY PRODUCE FLOODING OF LOW LYING AREAS AND ROADWAYS. STAY TUNED TO RADIO...TV...OR NOAA WEATHER RADIO FOR UPDATES.
Special weather statement, Apr 28, 5:57 PM CDT, 2 hours 9 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 6 PM CDT FRI APRIL 28 1989 ...SEVERE THUNDERSTORM WATCHES NUMBER 136 AND 137 ARE IN EFFECT UNTILL LATE TONIGHT FOR ALL COUNTIES WITHIN 100 MILES OF AUSTIN... INTENSE THUNDERSTORMS WERE LOCATED NEAR GEORGETOWN...SOUTH OF BLANCO AND NEAR KERRVILLE. THESE ARE PART OF A LARGE AREA OF SHOWERS AND THUNDERSTORMS LOCATED WEST OF A LINE FROM WACO TO AUSTIN TO SAN ANTONIO. MOVEMENT WAS TOWARDS THE EAST. RAINS WILL BE MOVING OVER PARTS OF THE AUSTIN AREA WITHIN THE HOUR. PERSONS IN SOUTH CENTRAL TEXAS SHOULD STAY ALERT AND BE PREPARED TO TAKE ACTION IF A WARNING IS ISSUED...STAY TUNED FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Apr 28, 6:53 PM CDT, 1 hour 13 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 650 PM CDT FRI APR 28 1989 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR THE HILL COUNTRY AND SOUTH CENTRAL TEXAS EXTENDING EASTWARD TO INCLUDE MUCH OF EAST AND SOUTHEAST TEXAS... STRONG THUNDERSTORMS HAVE DEVELOPED DURING THE PAST HOUR OVER SAN ANTONIO AND THE HILL COUNTRY. REPORTS RECEIVED AT THE NATIONAL WEATHER SERVICE IN SAN ANTONIO INDICATE PEA TO MARBLE SIZED HAIL COVERING THE GROUND AT INGRAM IN KERR COUNTY. ANOTHER STORM DUMPED PEA SIZED HAIL ON DOWNTOWN SAN ANTONIO DURING THE PAST HOUR. THESE STORMS ARE PART OF A LARGE AREA OF ACTIVITY COVERING MOST OF SOUTH TEXAS THIS EVENING. THE ATMOSPHERE REMAINS UNSTABLE ACROSS ALL OF SOUTH TEXAS AND CONTINUED DEVELOPMENT OF THUNDERSTORMS IS LIKELY. HEAVY RAIN... FREQUENT LIGHTNING AND GUSTY WINDS ARE EXPECTED THROUGH THE REMAINDER OF THE EVENING ALONG WITH THE POSSIBLITY OF FLOODING OF LOW LYING AREAS AND ROADWAYS. BE ALERT FOR RISING FLOOD WATERS WHEN NEAR CREEKS AND STREAMS. STAY TUNED TO LOCAL RADIO...TV...OR NOAA WEATHER RADIO FOR UPDATES.
Special weather statement, Apr 28, 7:00 PM CDT, 1 hour 6 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 7 PM CDT FRI APRIL 28 1989 ...SEVERE THUNDERSTORM WATCHES ARE IN EFFECT UNTILL LATE TONIGHT FOR ALL COUNTIES WITHIN 100 MILES OF AUSTIN... INTENSE THUNDERSTORMS WERE LOCATED BETWEEN CUERO AND KARNES CITY MOVING EASTWARD. SHOWERS AND THUNDERSTORMS CONTINUE NEAR FORT HOOD, TEMPLE AND WACO MOVING EASTWARD. TO THE WEST OF AUSTIN MOSTLY LIGHT RAIN WAS INDICATED BETWEEN AUSTIN, HONDO, KERRV*ILLE, HARPER, AND MARBLE FALLS... MOVING SLOWLY EASTWARD. PERSONS IN SOUTH CENTRAL TEXAS SHOULD STAY ALERT AND BE PREPARED TO TAKE ACTION IF A WARNING IS ISSUED...STAY TUNED FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 7:04 PM CDT | Severe Thunderstorm Warning | EWX | Atascosa | 56 min |
| Apr 28, 7:20 PM CDT | Severe Thunderstorm Warning | EWX | DeWitt | 60 min |
| Apr 28, 7:55 PM CDT | Severe Thunderstorm Warning | EWX | Karnes | 65 min |
| Apr 28, 9:10 PM CDT | Severe Thunderstorm Warning | EWX | Fayette | 50 min |
| Apr 29, 3:10 PM CDT | Severe Thunderstorm Warning | EWX | Edwards, Kerr | 65 min |
| Apr 29, 4:46 PM CDT | Severe Thunderstorm Warning | EWX | Bandera | 59 min |
| Apr 29, 5:13 PM CDT | Severe Thunderstorm Warning | EWX | Maverick | 62 min |
| Apr 29, 6:24 PM CDT | Severe Thunderstorm Warning | EWX | La Salle | 66 min |
| Apr 29, 6:35 PM CDT | Severe Thunderstorm Warning | EWX | Webb | 55 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1989Every severe thunderstorm warning in 1989
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.