Alert archive / Texas / Flash Flood Warnings in 1989

Flash Flood Warning 5, NWS Austin/San Antonio, TX

May 15, 1989Fayette County, Lee County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at May 15, 1989, 4:55 AM CDT for Fayette County, Lee County, Texas. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
May 15, 1989, 4:55 AM CDT (09:55 UTC)
Expired
May 15, 1989, 7:00 AM CDT
In force
2 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties Fayette County, TX, Lee 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

Victoria Regiona, TX (KVCT), launched 00:00Z, 9.9 hours before the alert went out and 138 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, Victoria Regiona, TX at 00:00Z on 1989-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3662 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Victoria Regiona, TX at 00:00Z on 1989-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 square meters per square second.1939587897Sfc1 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
3662 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
888 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
35 m²/s²
Significant tornado parameter
0.8
Supercell composite
3.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KAUS 150958
FFWAUS
TXC149-287-151200-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN TX
455 AM CDT MON MAY 15 1989
 
THE NATIONAL WEATHER SERVICE IN AUSTIN HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  700 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTH CENTRAL TEXAS
          ...FAYETTE...SOUTHERN LEE
 
AT 5 AM...RADAR SHOWED A FLASH FLOOD PRODUCING THUNDERSTORM 10 MILES
SOUTHEAST OF LOCKHART...OR SOME 30 MILES SOUTHEAST OF AUSTIN TO BE
MOVING TO THE EAST AT 20 MPH.  THIS STORM WAS RESPONSIBLE FOR
FLASH FLOODING OVER MUCH OF CALDWELL...TRAVIS...HAYS AND BASTROP
COUNTIES AND WILL LIKELY PRODUCE FLASH FLOODING OVER AREAS TO THE
EAST...INCLUDING FAYETTE AND SOUTHERN LEE COUNTIES.
 
WATERS ROSE TO AS MUCH AS 3 FEET DEEP IN SOME LOW SPOTS AND RAINFALL
RATES STAYED IN THE 2 INCH PER HOUR RATE FOR ABOUT A 40 TO 50 MINUTE
TIME PERIOD.
 
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT.  TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

What forecasters said that day

The local office's own words before this flash flood 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 15, 12:05 AM CDT, 4 hours 50 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
1155 PM CDT SUN MAY 14 1989

...A SEVERE THUNDERSTORM WITH A HISTORY OF TORNADIC ACTIVITY AND
LARGE HAIL WAS LOCATED 25 MILES NORTHWEST OF LLANO...JUST WEST OF
THE SMALL TOWN OF PONTOTOC AND JUST NORTH OF MASON. IT WAS MOVING
TOWARDS THE SOUTHEAST AT 15 MPH.  ON ITS PRESENT MOVEMENT...IT
SHOULD PASS VERY CLOSE TO PONTOTOC AND MAY CLOSE TO NEAR LLANO
BEFORE 2 AM.

REMEMBER...A TORNADO WATCH REMAINS OUT UNTIL 3 AM CDT FOR A  LARGE
PART OF CENTRAL TEXAS.

PERSONS IN THE HILL COUNTRY...ESPECIALLY ALONG THE UPPER HIGHLAND LAKES
SHOULD BE PREPARED FOR SEVERE THUNDERSTORMS WITH POSSIBLE TORNADOES...
LARGE HAIL AND DANGEROUS LIGHTNING.  DUE TO THE SIZE AND SLOW MOVEMENT
OF THESE STORMS...LOCALIZED FLASH FLOODING WILL BE A DISTINCT LIKELI-
HOOD AS THESE STORMS PASS OVER THE HILL COUNTRY SECTIONS.
Local storm report, May 15, 4:40 AM CDT, 15 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN TX
430 AM CDT MON MAY 15 1989

...PRELIMENARY STORM SUMMARY FOR NIGHT/MORNING 15 MAY 1989...

TIME CDT...  EVENT

0050         AT 0046 DPS IN KERRVILLE RELAYED REPORT OF 11/2 INCH
             HAIL IN SMALL TOWN OF DOSS...EXTREME NORTHWESTERN
             GILLESPIE COUNTY.
0119         S.O. IN FREDERICKSBURG RELAYED REPORT OF 1 TO 2 INCH
             HAIL IN DOSS WITH BUSTED OUT WINDOWS.
0200         DPS IN KERRVILLE REPORTED HAIL IN FREDERICKSBURG.
0203         S.O. IN FREDERICKSBURG REPORTED HAIL UP TO GOLF BALL
             SIZE HAD MOVED OVER NORTHERN GILLESPIE COUNTY.
0229         TOW...NEAR LAKE BUCHANAN...REPORTED WIND GUST TO NEAR
             50 MPH AND VERY HEAVY RAIN.  NO HAIL.
0329         LAKEWAY AIRPORT...WEST OF AUSTIN...REPORTED RAIN AT
             NEAR 1 INCH PER HOUR RATE.
0343         AUSTIN...HWY 183 AND DUVAL RD...SMALL HAIL.
0345         AUTIN...BURNET AND ANDERSON...HEAVY DOWNPOUR.
0345         LAKE AUSTIN AND HWY 360...WINDS 40 MPH PLUS AND
             RAINFALL RATE OF ONE INCH PER HOUR.
0355         WIMBERLY...RAINS OF NEAR 3 INCHES IN ONE HOUR.
0410         AUSTIN...HOWARD LANE AND METRIC...FLOODWED TO 4 INCHES
             DEEP.
0412         AUSTIN...MANOR ROAD AND SPRINGDALE...FLOODED WITH 6
             INCHES OF WATER.
             AUSTIN...BERKMAN AND HWY 290...WATER 31/2 FEET DEEP.

END/SO FAR.
.
END/JVD

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 14, 7:45 PM CDTSevere Thunderstorm WarningEWXMaverick60 min
May 14, 8:54 PM CDTSevere Thunderstorm WarningEWXDimmit66 min
May 14, 10:10 PM CDTSevere Thunderstorm WarningEWXDimmit50 min
May 14, 10:55 PM CDTSevere Thunderstorm WarningEWXLa Salle65 min
May 15, 12:33 AM CDTSevere Thunderstorm WarningEWXGillespie, Llano57 min
May 15, 1:32 AM CDTSevere Thunderstorm WarningEWXKendall58 min
May 15, 2:02 AM CDTSevere Thunderstorm WarningEWXBlanco, Burnet, Hays, Travis58 min
May 15, 3:46 AM CDTSevere Thunderstorm WarningEWXBastrop, Caldwell, Hays, Travis59 min
May 15, 4:20 AM CDTFlash Flood WarningEWXBastrop, Caldwell, Travis115 min
May 15, 7:37 AM CDTTornado WarningEWXJackson38 min
May 15, 8:14 AM CDTTornado WarningEWXVictoria46 min
May 15, 6:43 PM CDTSevere Thunderstorm WarningEWXGillespie62 min

Nearby

Flash Flood Warnings in Texas, 1989Every flash flood 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.