Alert archive / Texas / Flash Flood Warnings in 1993

Flash Flood Warning 19, NWS Austin/San Antonio, TX

June 26, 1993Travis County, Williamson County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Jun 26, 1993, 3:21 AM CDT for Travis County, Williamson County, Texas. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jun 26, 1993, 3:21 AM CDT (08:21 UTC)
Expired
Jun 26, 1993, 6:00 AM CDT
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties Travis County, TX, Williamson County, TX

The nearest sounding before it

Stephenville/Cla, TX (KSEP), launched 00:00Z, 8.4 hours before the alert went out and 196 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 1993-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1067 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 1993-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 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
1067 J/kg
Mixed-layer CIN
-80 J/kg
Mixed-layer LCL
1228 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
63 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KAUS 260822
FFWAUS
TXC453-491-261100-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN TX
321 AM CDT SAT JUN 26 1993
 
THE NATIONAL WEATHER SERVICE IN AUSTIN HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  600 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL TEXAS
 
   ...TRAVIS COUNTY...WESTERN WILLIAMSON COUNTY
 
AT 320 AM...THUNDERSTORMS WITH TORRENTIAL RAINFALLS CONTINUED FROM BUDA
NORTHWARD ACROSS TRAVIS COUNTY INTO WESTERN WILLIAMSON COUNTY. A NUMBER
OF ROADS WERE ALREADY IMPASSABLE ACCORDING TO THE WILLIAMSON COUNTY
SHERIFFS OFFICE. ALSO...CREEKS IN NORTHWEST AUSTIN WERE REPORTED VERY
FULL AND HEAVY RAINFALL CONTINUES NEARLY STATIONARY IN THAT AREA...WITH
AMOUNTS APROACHING 2 INCHES.
 
 
 
 
 
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.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT
ATTEMPT TO CROSS LOW WATER CROSSINGS...LOW SPOTS OR DIPS IF WATER
COVERS THE ROADWAY. TO BE SAFE...STAY ON OR SEEK 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, Jun 26, 12:50 AM CDT, 2 hours 31 minutes before
TXZ030-034-035-036-037-260700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
1250 AM CDT SAT JUN 26 1993

...STRONG THUNDERSTORMS CONTINUE MOVING ACROSS THE HILL COUNTRY...

AT 1245 AM...STRONG THUNDERSTORMS WERE FROM LLANO TO BURNET...BRIGGS AND
BELTON.  THESE STORMS WERE MOVING TO THE SOUTH AT 30 MILES AN HOUR.

THESE STORMS ARE CAPABLE OF VERY HEAVY RAINFALL AND WIND GUSTS TO NEAR
50 MPH.  PERSONS ALONG THE UPPER HIGHLAND LAKES SHOULD MOVE ASHORE AND
PREPARE FOR THREATENING WEATHER.  THESE STORMS WILL BE ARRIVING IN THE
LAKE TRAVIS VICNINITY BETWEEN 1 AND 130 AM...AND IN THE AUSTIN METRO
BEFORE 2 AM.

STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS...AND BE READY TO
MOVE INSIDE A STURDY STRUCTURE SHOULD THUNDERSTORMS MOVE INTO YOUR AREA.
HOHMANN
Special weather statement, Jun 26, 12:54 AM CDT, 2 hours 27 minutes before
TXZ030-034-035-036-037-260700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
1250 AM CDT SAT JUN 26 1993

...STRONG THUNDERSTORMS CONTINUE MOVING ACROSS THE HILL COUNTRY...

AT 1245 AM...STRONG THUNDERSTORMS WERE FROM LLANO TO BURNET...BRIGGS AND
BELTON.  THESE STORMS WERE MOVING TO THE SOUTH AT 30 MILES AN HOUR.

THESE STORMS ARE CAPABLE OF VERY HEAVY RAINFALL AND WIND GUSTS TO NEAR
50 MPH.  PERSONS ALONG THE UPPER HIGHLAND LAKES SHOULD MOVE ASHORE AND
PREPARE FOR THREATENING WEATHER.  THESE STORMS WILL BE ARRIVING IN THE
LAKE TRAVIS VICNINITY BETWEEN 1 AND 130 AM...AND IN THE AUSTIN METRO
BEFORE 2 AM.

STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS...AND BE READY TO
MOVE INSIDE A STURDY STRUCTURE SHOULD THUNDERSTORMS MOVE INTO YOUR AREA.
HOHMANN
Special weather statement, Jun 26, 1:55 AM CDT, 1 hour 26 minutes before
TXZ035-038-039-040-041-054-260745-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
155 AM CDT SAT JUN 26 1993

AT 150 AM CDT...AN AREA OF SHOWERS WAS OVER PARTS OF SOUTH CENTRAL TEXAS.
SHOWERS AND THUNDERSTORMS WERE OVER PARTS OF THE HILL COUNTRY...BETWEEN
JUNCTION AND AUSTIN.

THE SHOWERS OVER SOUTH CENTRAL TEXAS WERE MAINLY IN ATASCOSA AND FRIO
COUNTIES.  THIS ACTIVITY HAS CONTINUED TO DECREASE OVER THE PAST HOUR.
OVER THE HILL COUNTRY THUNDERSTORMS CONTINUE TO MOVE SOUTH AT 25 MILES
AN HOUR AND SHOULD MOVE INTO KERR...KENDALL AND COMAL COUNTIES DURING THE
NEXT HOUR.

PERSONS IN THE PATH OF THESE STORMS SHOULD BE PREPARED FOR BRIEF VERY
HEAVY RAINFALL...FREQUENT LIGHTNING...GUSTY WIND AND POSSIBLE FLOODING
OF ROADWAYS AND LOW-WATER CROSSINGS.
Special weather statement, Jun 26, 1:58 AM CDT, 1 hour 23 minutes before
TXZ035-038-039-040-041-054-260745-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
155 AM CDT SAT JUN 26 1993

AT 150 AM CDT...AN AREA OF SHOWERS WAS OVER PARTS OF SOUTH CENTRAL TEXAS.
SHOWERS AND THUNDERSTORMS WERE OVER PARTS OF THE HILL COUNTRY...BETWEEN
JUNCTION AND AUSTIN.

THE SHOWERS OVER SOUTH CENTRAL TEXAS WERE MAINLY IN ATASCOSA AND FRIO
COUNTIES.  THIS ACTIVITY HAS CONTINUED TO DECREASE OVER THE PAST HOUR.
OVER THE HILL COUNTRY THUNDERSTORMS CONTINUE TO MOVE SOUTH AT 25 MILES
AN HOUR AND SHOULD MOVE INTO KERR...KENDALL AND COMAL COUNTIES DURING THE
NEXT HOUR.

PERSONS IN THE PATH OF THESE STORMS SHOULD BE PREPARED FOR BRIEF VERY
HEAVY RAINFALL...FREQUENT LIGHTNdING...GUSTY WIND AND POSSIBLE FLOODING
OF ROADWAYS AND LOW-WATER CROSSINGS.
Special weather statement, Jun 26, 2:50 AM CDT, 31 minutes before
TXZ035-038-039-040-041-260845-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
250 AM CDT SAT JUN 26 1993

AT 240 AM CDT...AN AREA OF SHOWERS AND THUNDERSTORMS WAS MOVING INTO
SOUTH CENTRAL TEXAS.  THE STORMS EXTENDED FROM JUNCTION TO NEW BRAUNFELS
TO AUSTIN AND WERE MOVING SOUTH AT 20 MILES AN HOUR.  THE STRONGEST STORM
WAS BETWEEN BOERNE IN KENDALL COUNTY AND SPRING BRANCH IN COMAL COUNTY.

THESE STORMS WILL PRODUCE VERY HEAVY RAINFALL...GUSTY WINDS AND LIGHTNING
AS THEY MOVE THROUGH THE AREA THIS MORNING.  PERSONS SHOULD ALSO BE PREPARED
FOR FLOODING OF ROADWAYS AND LOW-WATER CROSSINGS.

DO NOT DRIVE INTO A FLOODED LOW-WATER CROSSING...THE CURRENT CAN TAKE YOU
AND YOUR CAR DOWNSTREAM IN JUST A FEW SECONDS...TAKE THE TIME TO FIND AN
ANOTHER ROUTE.
Special weather statement, Jun 26, 2:52 AM CDT, 29 minutes before
TXZ035-038-039-040-041-260845-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
250 AM CDT SAT JUN 26 1993

AT 240 AM CDT...AN AREA OF SHOWERS AND THUNDERSTORMS WAS MOVING INTO
SOUTH CENTRAL TEXAS.  THE STORMS EXTENDED FROM JUNCTION TO NEW BRAUNFELS
TO AUSTIN AND WERE MOVING SOUTH AT 20 MILES AN HOUR.  THE STRONGEST STORM
WAS BETWEEN BOERNE IN KENDALL COUNTY AND SPRING BRANCH IN COMAL COUNTY.

THESE STORMS WILL PRODUCE VERY HEAVY RAINFALL...GUSTY WINDS AND LIGHTNING
AS THEY MOVE THROUGH THE AREA THIS MORNING.  PERSONS SHOULD ALSO BE PREPARED
FOR FLOODING OF ROADWAYS AND LOW-WATER CROSSINGS.

DO NOT DRIVE INTO A FLOODED LOW-WATER CROSSING...THE CURRENT CAN TAKE YOU
AND YOUR CAR DOWNSTREAM IN JUST A FEW SECONDS...TAKE THE TIME TO FIND AN
ANOTHER ROUTE.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 6:06 AM CDTFlash Flood WarningEWXWilson3 hr
Jun 26, 7:12 AM CDTFlash Flood WarningEWXAtascosa2 hr
Jun 26, 9:20 AM CDTFlash Flood WarningEWXAtascosa, Frio, Zavala115 min
Jun 26, 9:20 AM CDTFlash Flood WarningEWXKarnes, Wilson115 min
Jun 26, 11:02 AM CDTFlash Flood WarningEWXAtascosa, Gonzales, Karnes, Wilson118 min

Nearby

Flash Flood Warnings in Texas, 1993Every flash flood warning in 1993

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.