Alert archive / Texas / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 88, NWS Austin/San Antonio, TX

May 9, 1989Kinney County, Uvalde County, Texas

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.

Skew-T log-pSkew-T log-p diagram, Del Rio, TX at 00:00Z on 1989-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4013 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 00:00Z on 1989-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

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.

IssuedProductOfficeCountiesLasted
May 9, 7:03 PM CDTSevere Thunderstorm WarningEWXEdwards57 min
May 9, 7:39 PM CDTTornado WarningEWXEdwards66 min
May 9, 8:30 PM CDTSevere Thunderstorm WarningEWXVal Verde60 min
May 9, 9:30 PM CDTSevere Thunderstorm WarningEWXVal Verde60 min
May 9, 10:48 PM CDTTornado WarningEWXUvalde, Zavala57 min
May 9, 11:44 PM CDTTornado WarningEWXZavala61 min
May 10, 2:21 AM CDTSevere Thunderstorm WarningEWXBexar69 min
May 10, 3:49 AM CDTSevere Thunderstorm WarningEWXGonzales, Guadalupe56 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.