Alert archive / Texas / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 88, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 9, 1989, 10:20 PM CDT for Kinney County, Uvalde County, Texas. It was in force for 55 min.
The area
The counties it named.
The facts
- Issued
- May 9, 1989, 10:20 PM CDT (03:20 UTC)
- Expired
- May 9, 1989, 11:15 PM CDT
- In force
- 55 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
Counties Kinney County, TX, Uvalde 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 00:00Z, 3.3 hours before the alert went out and 73 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
- 4013 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 2498 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- 39 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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, May 9, 7:42 PM CDT, 2 hours 38 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 740 PM CDT TUE MAY 9 1989 ...THUNDERSTORMS HAVE DEVELOPED IN SOUTHEAST LLANO AND SOUTHWEST BURNET COUNTIES. AAT 7030 PM AUSTIN WEATHER RADAR INDICATES... STRONG THUNDERSTORMS HAVE DEVELOPED WITHIN THE HOUR OVER SOUTHEAST LLANO COUNTY AND SOUTHWEST BURNET COUNTY. SMALL HAIL AND STRONG GUSTY WINDS...BRIEF HEAVY RAINS AND DANGEROUS LIGHTNING MAY ACCOMPANY THESE STORMS. BOATERS ON THE LAKES SHOULD TAKE COVER AS SOON AS POSSIBLE. LITTLE MOVEMENT HAS BEEN INDICATED AT THIS TIME.
Special weather statement, May 9, 8:13 PM CDT, 2 hours 7 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 815 PM CDT TUE MAY 9 1989 THUNDERSTORMS HAVE DEVELOPED IN THE LOMA ALTA AREA AND HAVE SHOWN VERY LITTLE MOVEMENT. AT 804 PM THE WISTLER RANCH REPORTED SMALL HAIL. ADDITIONAL SMALL HAIL AND HEAVY RAIN CAN BE EXPECTED WITH THESE THUNDERSTORMS. THE ATMOSPHERE IS VERY UNSTABLE AND THESE THUNDERSTORMS COULD BECOME SEVERE. PERSONS LOCATED IN THE NORTHEAST PART OF VAL VERDE COUNTY SHOULD MONITOR THE WEATHER CLOSELY AND BE PREPARED TO MOVE TO A PLACE OF SAFETY. STAY TUNDED FOR ADDITIONAL STATEMENTS OR WARNINGS CONCERNING THESE THUNDERSTORMS.
Special weather statement, May 9, 8:37 PM CDT, 1 hour 43 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 835 PM CDT TUE MAY 9 1989 ...THUNDERSTORMS IN SOUTHEAST CORNER OF LLANO AND NORTHWEST CORNER BLANCO COUNTIES... AAT 825 PM CDT WEATHER RADARINDICATED VERY STRONG THUNDERSTORMS IN SOUTHEAST CORNER OF LLANO AND NORTHWEST CORNER OF BLANCO COUNTIES DRIFTING SLOWLY TO THE SOUTHEAST. SMALL HAIL...STRONG GUSTY WIND... BRIEF HEAVY RAINS AND DANGEROUS LIGHTNING ARE LIKELY WITH THESE STORMS. BOATERS ON THE COLORADO RIVER IN THE VICINITY OF MARBLES FALLS SHOULD TAKE COVER AS SOON AS POSSIBLE. OTHER SCATTERED SHOWERS AND THUNDERSTORMS WERE INDICATED ALONG A LINE FROM WEST OF LOTT 4IN FALLS COUNTY...NEAR GEORGETOWN...MARBLE FALLS TO NORTH OF FREDERICKSBURG. MOVEMENT SOUTH AROUND 10 MILES AN HOUR.
Special weather statement, May 9, 9:33 PM CDT, 47 minutes before
BULLETIN SMALL STREAM FLOOD STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 935 PM CDT TUE MAY 9 1989 AT 930 PM CDT...SATELLITE ESTIMATES OF RAINFALL ALONG THE EDWARDS-VAL VERDE COUNTY LINE BETWEEN ROCKSPRINGS...CARTA VALLEY AND LOMA ALTA HAVE APPROACHED 3 INCHES DURING THE PAST 3 HOURS. DUE TO THE SLOW MOVEMENT OF THIS THUNDERSTORM...FLOODING OF SMALL CREEKS...LOW-LYING ROADS AND LOW-WATER CROSSINGS IS LIKELY IN PARTS OF EDWARDS AND VAL VERDE COUNTIES FOR THE REMAINDER OF THIS EVENING AND INTO EARLY WEDNESDAY MORNING. PERSONS IN THE WESTERN PART OF EDWARDS COUNTY...AS WELL AS THOSE IN EASTERN VAL VERDE COUNTY...SHOULD BE ALERT FOR LOCALLY HEAVY RAINFALL AND LOCALIZED FLOODING. MOTORISTS ESPECIALLY SHOULD BE WARY TO THE DANGERS POSED BY RAPIDLY RISING WATERS ON LOW-LYING ROADS AND HIGHWAYS AND WHEN APPROACHING FLOODED LOW-WATER CROSSINGS. MOST FLOOD-RELATED DEATHS OCCUR AT NIGHT...SO EXTRA CARE AND CAUTION IS URGED. ADDITIONAL STATEMENTS OR WARNINGS WILL BE ISSUED AS CONDITIONS WARRANT. PLEASE STAY TUNED TO YOUR LOCAL RADIO...TV OR NOAA WEATHER RADIO STATION FOR COMPLETE WEATHER INFORMATION THE REST OF THE EVENING AND MORNING.
Special weather statement, May 9, 9:38 PM CDT, 42 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 935 PM CDT TUE MAY 9 1989 ...THUNDERSTORMS HAVE MOVED INTO GILLESPIE COUNTY... AT 925 PM CDT AUSTIN WEATHER RADAR INDICATED VERY STRONG THUNDERSTORM IN SOUTHEAST CORNER OF GILLESPIE COUNTY MOVING SOUTHWARD NEAR 15 MILES AN HOUR. THIS STORM IS CAPABLE OF PRODUCING SMALL HAIL...BRIEF HEAVY RAIN...STRONG GUSTY WINDS AND DANGEROUS LIGHTNING. ANOTHER STRONG THUNDERSTORMG ALONG WITH SHOWERS WERE INDICATED IN THE NORTHERN PORTION OF GILLESPIE COUNTY EXTENDING INTO THE SOUTHEAST CORNER OF MASON COUNTY.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 7:03 PM CDT | Severe Thunderstorm Warning | EWX | Edwards | 57 min |
| May 9, 7:39 PM CDT | Tornado Warning | EWX | Edwards | 66 min |
| May 9, 8:30 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 60 min |
| May 9, 9:30 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 60 min |
| May 9, 10:48 PM CDT | Tornado Warning | EWX | Uvalde, Zavala | 57 min |
| May 9, 11:44 PM CDT | Tornado Warning | EWX | Zavala | 61 min |
| May 10, 2:21 AM CDT | Severe Thunderstorm Warning | EWX | Bexar | 69 min |
| May 10, 3:49 AM CDT | Severe Thunderstorm Warning | EWX | Gonzales, Guadalupe | 56 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.