Alert archive / Texas / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 43, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 29, 1989, 5:13 PM CDT for Maverick County, Texas. It was in force for 62 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 29, 1989, 5:13 PM CDT (22:13 UTC)
- Expired
- Apr 29, 1989, 6:15 PM CDT
- In force
- 62 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Maverick 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 29, 5:25 PM CDT | Thunderstorm Wind 52 | Maverick, 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 12:00Z, 10.2 hours before the alert went out and 86 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
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, 2:16 PM CDT, 2 hours 57 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, 2 hours 52 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, 2 hours 17 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.
Special weather statement, Apr 29, 4:01 PM CDT, 1 hour 12 minutes before
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</html>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, 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, 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.