Alert archive / Texas / Flash Flood Warnings in 1992

Flash Flood Warning 73, NWS Austin/San Antonio, TX

June 1, 1992Hays County, Travis County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Jun 1, 1992, 11:36 PM CDT for Hays County, Travis County, Texas. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jun 1, 1992, 11:36 PM CDT (04:36 UTC)
Expired
Jun 2, 1992, 2:45 AM CDT
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties Hays County, TX, Travis County, TX

The nearest sounding before it

Stephenville/Cla, TX (KSEP), launched 00:00Z, 4.6 hours before the alert went out and 226 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, Stephenville/Cla, TX at 00:00Z on 1992-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 632 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, Stephenville/Cla, TX at 00:00Z on 1992-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 square meters per square second.19395878Sfc1 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
632 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
1591 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
165 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KAUS 020436
FFWAUS
TXC021-209-453-020745-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN TX
1136 PM CDT MON JUN 1 1992
 
THE NATIONAL WEATHER SERVICE IN AUSTIN HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  245 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL TEXAS
 
   ...BASTROP COUNTY...HAYS COUNTY...SOUTHERN TRAVIS COUNTY
 
AT 1130 PM...RADAR SHOWED THUNDERSTORMS WITH VERY HEAVY RAINFALL FROM
HAYS COUNTY ACROSS SOUTHERN TRAVIS COUNTY INTO BASTROP COUNTY. THESE
THUNDERSTORMS HAVE SHOWN LITTLE MOVEMENT BETWEEN 10 PM AND 1130 PM.
 
AT 11 PM...IN THE VICINITY OF IH-35 AND SLAUGHTER CREEK...1.5 INCHES
OF RAIN FELL IN ONLY 15 MINUTES.  A REPORT OF 3.51 INCHES OF RAIN
BETWEEN 1030 AND 1130 PM WAS RECEIVED FROM FAR SOUTH AUSTIN FROM AN
OFFICIAL WEATHER SERVICE OBSERVER.
 
WIDESPREAD RAINFALL AMOUNTS IN EXCESS OF 1 INCH HAVE BEEN RECEIVED.
 
OTHER THUNDERSTORMS ARE DEVELOPING OVER THE HILL COUNTRY FROM LLANO
CITY TO EAST OF JUNCTION.  THESE THUNDERSTORMS WERE MOVING TO THE EAST
AND SOUTHEAST AT 20 MILES AN HOUR AND WILL ARRIVE IN THE CAPITAL AREA
AROUND 3 AM.
 
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 ESCAPE FLOOD WATERS.  DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
 
MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES.  DO NOT
ATTE>MPT 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.

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, Jun 1, 7:28 PM CDT, 4 hours 8 minutes before
TXZ035-039-040-020230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
725 PM CDT MON JUN 1 1992

...TORNADO WATCH REMAINS IN EFFECT FOR PORTIONS OF THE HILL COUNTRY
   AND ADJACENT AREAS OF SOUTH CENTRAL TEXAS UNTIL 11 PM CDT...

A TORNADO WATCH IS IN EFFECT UNTIL 11 PM CDT FOR BANDERA...COMAL...
GUADALUPE...GONZALES...KENDALL...KERR AND REAL COUNTIES.  SAN ANTONIO
AND BEXAR COUNTY ARE NOT INCLUDED IN THE TORNADO WATCH AREA.

AT THIS TIME...NO WEATHER OF CONSEQUENCE IS OCCURRING IN THE ABOVE-
MENTIONED COUNTIES.  HOWEVER...SHOWERS AND THUNDERSTORMS...SOME WITH
LOCALLY HEAVY RAINFALL...ARE INDICATED BY RADAR TO THE NORTH AND WEST
OF AUSTIN AND TO THE WEST OF DEL RIO.

CONDITIONS REMAIN FAVORABLE FOR SEVERE WEATHER TO DEVELOP IN THE
TORNADO WATCH AREA THIS EVENING...SO PLEASE STAY TUNED TO LOCAL
RADIO...TV OR NOAA WEATHER RADIO STATIONS FOR THE VERY LATEST IN
WEATHER DEVELOPMENTS.

REMEMBER...BESIDES CONTAINING LQARGE HAIL...FREQUENT LIGHTNING...DAMAGING
WIND AND LOCALLY HEAVY RAINFALL WHICH CAN CAUSE FLASH FLOODING...SEVERE
THUNDERSTORMS CAN AND DO PRODUCE TORNADOES WITH LITTLE IF ANY ADVANCE
WARNING.
Special weather statement, Jun 1, 10:03 PM CDT, 1 hour 33 minutes before
TXZ054-020500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
1005 PM CDT MON JUN 1 1992

...A TORNADO WATCH IS IN EFFECT FOR VAL VERDE COUNTY UNTIL 300 AM
CDT...

AT 1000 PM CDT RIO GRANDE RANCH...7 MILES SOUTHWEST OF
PANDALE...REPORTED THUNDERSTORMS WITH PEA SIZE HAIL...HEAVY RAIN...AND
FREQUENT DANGEROUS LIGHTNING. THESE STORMS WERE MOVING TO THE EAST AT
25 MPH.

REMEMBER...CARS ARE EASILY TOSSED AROUND BY TORNADO WINDS. DO NOT TRY
TO OUTRUN A TORNADO. IF YOU ARE CAUGHT IN THE PATH OF A
TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING. IF NO STRUCTURE
IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT.
Special weather statement, Jun 1, 11:21 PM CDT, 15 minutes before
TXZ054-020620-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
1125 PM CDT MON JUN 1 1992

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR VAL VERDE COUNTY UNTIL
300 AM CDT...

AT 1120 PM CDT RADAR INDICATED AN INTENSE THUNDERSTORM 50 MILES NORTH
OF DEL RIO. THIS STORM WAS MOVING TO THE EAST AT 25 MPH.

LARGE HAIL...FREQUENT DANGEROUS LIGHTNING AND DAMAGING WINDS ARE
POSSIBLE WITH THIS STORM.

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PEOPLE IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER
CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 1, 7:43 PM CDTSevere Thunderstorm WarningEWXBurnet, Williamson47 min
Jun 1, 7:59 PM CDTTornado WarningEWXWilliamson31 min
Jun 1, 8:02 PM CDTSevere Thunderstorm WarningEWXLlano43 min
Jun 1, 8:29 PM CDTTornado WarningEWXWilliamson46 min
Jun 1, 9:16 PM CDTTornado WarningEWXTravis, Williamson24 min
Jun 1, 9:51 PM CDTSevere Thunderstorm WarningEWXTravis, Williamson24 min
Jun 1, 11:36 PM CDTFlash Flood WarningEWXBastrop3 hr
Jun 2, 12:52 AM CDTFlash Flood WarningEWXComal108 min
Jun 2, 1:02 AM CDTSevere Thunderstorm WarningEWXFayette43 min
Jun 2, 1:48 AM CDTSevere Thunderstorm WarningEWXBexar27 min
Jun 2, 3:29 AM CDTSevere Thunderstorm WarningEWXDeWitt, Lavaca46 min
Jun 2, 4:01 AM CDTSevere Thunderstorm WarningEWXZavala44 min
Jun 2, 4:06 AM CDTSevere Thunderstorm WarningEWXAtascosa54 min
Jun 2, 4:41 AM CDTSevere Thunderstorm WarningEWXLa Salle49 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.