Alert archive / Texas / Flash Flood Warnings in 1992

Flash Flood Warning 50, NWS Austin/San Antonio, TX

May 16, 19924 counties in Texas

NWS Austin/San Antonio, TX issued this flash flood warning at May 16, 1992, 11:20 PM CDT for 4 counties in Texas. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
May 16, 1992, 11:20 PM CDT (04:20 UTC)
Expired
May 17, 1992, 3:15 AM CDT
In force
4 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties Atascosa County, TX, Karnes County, TX, La Salle County, TX, McMullen County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 4.3 hours before the alert went out and 152 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, Corpus Christi, TX at 00:00Z on 1992-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1821 joules per kilogram.LCLLFCEL10008507005003002001001 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, Corpus Christi, TX at 00:00Z on 1992-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 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
1821 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
604 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
103 m²/s²
Significant tornado parameter
0.7
Supercell composite
4.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 170421
FFWSAT
TXC013-255-283-311-170815-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
1120 PM CDT SAT MAY 16 1992
 
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  315 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTH TEXAS
 
   ...ATASCOSA COUNTY...KARNES COUNTY...LASALLE COUNTY...MCMULLEN COUN
 
AT 1115 PM CDT NATIONAL WEATHER SERVICE RADAR INDICATED THUDERSTORMS
WITH VERY HEAVY RAIN IN AN AREA COVERING MOST OF LA
SALLE...MCMULLEN...KARNES...AND ATASCOSA COUNTIES. LITTLE MOVEMENT WAS
INDICATED. FLOODING OF ROADWAYS AND LOW WATER CROSSINGS IS OCCURRING
AT THIS TIME.
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS.  IF FLASH FLOODING IS OBSERVED
ACT QUICKLY.  MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS.  DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IMMINENT.
MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT ATTEMPT TO
CROSS BRIDGES...OR LOW SPOTS IF WATER COVERS THE ROADWAY.  NEVER TRY
TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FO\OT TO ESCAPE
RISING WATER DURING THREATENING RAINS.

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 16, 7:29 PM CDT, 3 hours 51 minutes before
TXZ054-170145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
730 PM CDT SAT MAY 16 1992

AT 725 PM CDT RADAR INDICATED THUNDERSTORMS WITH HEAVY RAIN NEAR
BAKERS CROSSING...43 MILES NORTHWEST OF DEL RIO. LITTLE MOVEMENT WAS
INDICATED.

SMALL HAIL AND HEAVY RAIN HAD BEEN REPORTED NEAR BAKERS CROSSING.

MOTORISTS TRAVELING NORTH OUT COMSTOCK TO JUNO ALONG HIGHWAY 163 SHOULD
NOT ATTEMPT TO CROSS FLOODED LOW WATER CROSSINGS. CAMPERS AND FISHERMEN
ALONG THE DEVILS RIVER SHOULD BE PREPARED TO MOVE TO HIGHER GROUND.

REMEMBER...IF YOU OBSERVE ANY AMOUNT OF WATER COMING DOWN A CREEK OR
DRAW...DO NOT WAIT...MOVE TO HIGHER GROUND IMMEDIATELY. A SMALL TRICKLE
OF WATER CAN BECOME A LINFE THREATENING TORRENT OF WATER IN MINUTES.

STAY TUNED TO YOUR LOCAL NOAA WEATHER RADIO...TV AND RADIO STATIONS FOR
FURTHER STATEMENTS OR WARNINGS.
Special weather statement, May 16, 8:40 PM CDT, 2 hours 40 minutes before
TXZ054-170240-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
840 PM CDT SAT MAY 16 1992

AT 835 PM CDT RADAR INDICATED ONLY SHOWERS REMAINED IN VAL VERDE
COUNTY NEAR LOM ALTA. MOVEMENT WAS TO THE EAST AT 10 MPH.

HEAVY RAIN ALONG THE DEVILS RIVER NEAR BAKERS CROSSING...43 MILES
NORTHWEST OF DEL RIO HAD BEEN REPORTED EARLIER.

MOTORISTS TRAVELING NORTH OUT COMSTOCK TO JUNO ALONG HIGHWAY 163 SHOULD
SHOULD BE ALERT TO THE POSSIBILITY OF FLOODED LOW WATER CROSSINGS.
CAMPERS AND FISHERMEN ALONG THE DEVILS RIVER SHOULD REMAIN ALERT AND BE
PREPARED TO MOVE TO HIGHER GROUND.

STAY TUNED TO YOUR LOCAL NOAA WEATHER RADIO...TV AND RADIO STATIONS FOR
FURTHER STATEMENTS OR WARNINGS.
T
Local storm report, May 16, 10:26 PM CDT, 54 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN TX
2345 PM CDT SAT MAY 16 1992

TIME   COUNTY      EVENT OF MAY 16TH...PRELIMENARY REPORT...

1840   TRAVIS      WALNUT CREEK AND DESSAU ROAD REPORTED 4 INCHES AND
                   STILL RAINING.
1904   TRAVIS      SOUTH AUSTIN WEATHER OBSERVER REPORTED .8 INCHES IN
                   A 15 MINUTE PERIOD.
1907   WILLIAMSON  SECONDARY ROADS BEING CLOSED.IEHWY 95 SOUTH OF TAYLOR.
1915   TRAVIS      HAMS REPORTED OLD MANOR HWY IN EAST AUSTIN HAD 11/2
                   FEET OF WATER OVER IT.  LAKE BAYLESS AT THE AIRPORT
                   FLOODED MANOR ROAD AT THE GOLF COURSE. (CITY OF AUSTIN)
1920   WILLIAMSON  COOP OBSERVER IN HUTTO REPORTED 5.90 INCHES OF RAIN
                   SINCE 5 PM.  WIDESPREAD FLOODING.
2020   WILLIAMSON..LOCAL LAW ENFORCEMENT OFFICES REPORTED MANY LOW WATER
       TRAVIS      CROSSINGS AND FLOOD PRONE HIGHWAYS WERE BARRICADED
       HAYS        AND IMPASSABLE.  SOME TROUBLE SPOTS WERE: DRIPPING
                   SPRINGS...KYLE...BUDA...RR2222...MUCH OF SOUTHWEST
                   TRAVIS COUNTY THE NORTHWESTERN THROUGH NORTHEASTERN
                       PARTS OF AUSTIN AND TRAVIS COUNTY.  NEARLY 2/3RDS
                       OF EASTERN WILLIAMSON COUNTY HAD SECONDARY ROADS
                       FLOODED AND IMPASSABLE...ESPECIALLY AROUND ROUND
                       ROCK...GEORGETOWN AND HUTTO.

2128   WILLIAMSON      TAYLOR FIRE DEPARTMENT R
EPORTED 4 VEHICALS STUCK
                       IN HIGH WATER IN THE TAYLOR AREA.

DELAYED REPORT...TRAVIS COUNTY...ONE FATALITY IN CENTRAL AUSTIN. VICTIM
                       DROWN AFTER FALLING INTO WALLER CREEK AROUND 7PM.

DUGAN

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 7:46 PM CDTTornado WarningEWXAtascosa44 min
May 16, 8:12 PM CDTFlash Flood WarningEWXBastrop2 hr
May 16, 8:27 PM CDTTornado WarningEWXWilson63 min
May 16, 9:13 PM CDTFlash Flood WarningEWXWilson4 hr
May 16, 9:51 PM CDTFlash Flood WarningEWXGonzales4 hr
May 16, 9:58 PM CDTFlash Flood WarningEWXBastrop, Lee3 hr
May 17, 1:49 AM CDTFlash Flood WarningEWXLavaca116 min

Nearby

Flash Flood Warnings in Texas, 1992Every flash flood warning in 1992

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.