Alert archive / Texas / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 41, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 29, 1989, 3:10 PM CDT for Edwards County, Kerr County, Texas. It was in force for 65 min.
The area
The counties it named.
The facts
- Issued
- Apr 29, 1989, 3:10 PM CDT (20:10 UTC)
- Expired
- Apr 29, 1989, 4:15 PM CDT
- In force
- 65 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
Counties Edwards County, TX, Kerr 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
Del Rio, TX (KDRT), launched 12:00Z, 8.2 hours before the alert went out and 122 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
- 1286 J/kg
- Mixed-layer CIN
- -246 J/kg
- Mixed-layer LCL
- 1100 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 22 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.5
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSAT 292012
SVRSAT
TXC137-265-292115-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
310 PM CDT SAT APR 29 1989
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 415 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN SOUTH TEXAS
...NORTHEASTERN EDWARDS...WESTERN KERR
AT 310 PM CDT...WEATHER SERVICE RADAR INDICATED INTENSE THUNDERSTORMS
JUST SOUTH OF JUNCTION TEXAS AND 15 MILES WEST SOUTHWEST OF JUNCTION
MOVING TO THE SOUTHEAST AT 10 MPH.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...HAIL
3/4 INCH OR MORE IN DIAMETER...FREQUENT LIGHTNING AND VERY HEAVY
RAIN.
WHEN A THUNDERSTORM THREATENS...SEEK SHELTER INSIDE A HOME OR
BUILDING AWAY FROM DOORS AND WINDOWS. REFRAIN FROM USING ELECTRICAL
APPLIANCES.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 29, 1:54 PM CDT, 1 hour 16 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 150 PM CDT THU APR 29 1989 AT 145 PM AND AREA OF SHOWERS AND THUNDERSTORMS IN MEXICO WAS MOVING NORTHEAST INTO THE UNITED STATES AT AROUND 10 MPH. THE LEADING EDGE OF THE SHOWERS AND THUNDERSTORMS WAS JUST BEGINNING TO CROSS THE RIO GRANDE NEAR DEL RIO AT 145 PM. INSIDE THIS AREA OF SHOWERS AND THUNDERSTORMS ARE SOME STRONG THUNDERSTORMS WHICH WERE ABOUT 40 MILES SOUTHWEST OF DEL RIO. IF THE STRONG THUNDESTORMS MAINTAIN THEIR PRESENT STRENGTH THEY WILL TAKE SEVERAL HOURS TO REACH DEL RIO AND SOUTHEAST VAL VEDE COUNTY. BOATERS AND RECREATIONIST ON LAKE AMISTAD SHOULD BEGIN TO TAKE SAFETY PRECAUTIONS NOW AS THE STRONG WINDS AND LIGHTNING WITH A STRONG THUNDERSTORM CAN OCCURR A CONSIDERABLE DISTANCE AWAY FROM THE STORM.
Special weather statement, Apr 29, 2:16 PM CDT, 54 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 215 PM CDT SAT APR 29 1989 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR THE HILL COUNTRY...EDWARDS PLATEAU...AND PORTIONS OF SOUTH CENTRAL TEXAS UNTIL 9 PM CDT... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF CENTRAL TEXAS INCLUDING THE HILL COUNTRY...EDWARDS PLATEAU...AND PORTIONS OF SOUTH CENTRAL TEXAS UNTIL 9 PM CDT TONIGHT. THE WATCH IS ALONG AND 80 MILES EAST AND WEST OF A LINE FROM 70 MILES WEST OF COTULLA TEXAS TO 40 MILES NORTH NORTHWEST OF WACO TEXAS. THE WATCH INCLUDES BEXAR COUNTY AND THE SAN ANTONIO METROPOLITAN AREA. VERY MOIST AND UNSTABLE IN COMBINATION WITH AN UPPER DISTURBANCE APPROACHING FROM THE WEST AND A STATIONARY FRONT NEAR THE HILL COUNTRY ARE EXPECTED TO PRODUCE INTENSE THUNDERSTORMS OVER CENTRAL TEXAS THIS AFTERNOON AND EVENING. THE THREAT OF SEVERE THUNDERSTORMS COULD SPREAD EAST INTO THE EAST PORTIONS OF SOUTH TEXAS LATER THIS AFTERNOON ALSO. THUNDERSTORMS WERE ALREADY DEVELOPING RAPIDLY OVER THE HILL COUNTRY BETWEEN KERRVILLE AND SAN ANGELO TEXAS...AND WEST OF DEL RIO EARLY THIS AFTERNOON. THESE THUNDERSTORMS WERE MOVING NORTH NORTHEAST AT 15 MPH. LARGE HAIL...STRONG AND DAMAGING WINDS...DANGEROUS LIGHTNING...AND VERY HEAVY RAINS CAUSING SOME FLOODING ARE POSSIBLE WITH THE THUNDERSTORMS. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN CENTRAL TEXAS SHOULD BE ALERT FOR THREATENING WEATHER AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Apr 29, 2:21 PM CDT, 49 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 216 PM CDT SAT APRIL 19 1989 ...THUNDERSTORMS ONCE AGAIN FORMING OUT OVER THE WESTERN HILL COUNTRY... AT 2 15 PM...RADAR INDICATED RAPIDLY DEVELOPING THUNDERSTORMS NEAR JUNCTION...KERRVILLE...SONORA AND SOUTH OF SAN ANGELO. DUE TO NEARLY TOTAL VERTICAL DEVELOPMENT, LITTLE MOVEMENT HAS BEEN NOTED WITH THESE STORMS DURING THE LAST HOUR.
Special weather statement, Apr 29, 2:56 PM CDT, 14 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 255 PM CDT THU APR 29 1989 ...DEL RIO AND VAL VERDE COUNTY ARE IN A SEVERE THUNDERSTORM WATCH UNTIL 9 PM CDT... AT 245 PM AN INTENSE THUNDERSTORM WAS ABOUT 30 MILES SOUTHWEST OF DEL RIO IN MEXICO. THIS STORM WAS MOVING TO THE EAST AT AROUND 15 MPH. OTHER SHOWERS AND THUNDERSTORMS ASSOCIATED WITH IT EXTENDED NORTH OVER DEL RIO AND SOUTHEAST VAL VERDE COUNTY. VERY STRONG WINDS...DANGEROUS LIGHTNING...AND HAIL CAN BE EXPECTED WITH A STORM OF THIS STRENGTH. THE PRESENT COURSE OF THE THUNDERSTORM IF MAINTAINED WOULD MISS DEL RIO AND SOUTHEAST VAL VERDE COUNTY. HOWEVER THE STORM NEEDS TO BE WATCHED CLOSELY. ALL PERSONS IN DEL RIO AND SOUTHEAST VAL VERDE COUNTY ARE URGED TO CHECK FOR LATER UPDATES ON THIS THUNDERSTORM. BOATERS AND RECREATIONIST ON LAKE AMISTAD SHOULD TAKE SAFETY PRECAUTIONS NOW AS THE STRONG WINDS AND LIGHTNING WITH A STRONG THUNDERSTORM CAN OCCURR A CONSIDERABLE DISTANCE AWAY FROM THE STORM. AOTHER AREA OF STRONG AND INTENSE THUNDERSTORMS IS DEVELOPING NORTH OF VAL VERDE COUNTY ABOUT 75 MILES NORTH OF DEL RIO. MOTORISTS TRAVELLING NORTH ON HIGHWAY 277 TOWARDS SAN ANGELO SHOULD EXPECT TO ENCOUNTER STRONG OR INTENSE THUNDERSTORMS.
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, 8:06 PM CDT | Severe Thunderstorm Warning | EWX | La Salle | 69 min |
| Apr 28, 9:10 PM CDT | Severe Thunderstorm Warning | EWX | Fayette | 50 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; the sounding from the Mesonet's radiosonde archive.