Alert archive / Texas / Flash Flood Warnings in 2002

Flash Flood Warning 69, NWS Austin/San Antonio, TX

July 2, 200218 counties in Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Jul 2, 2002, 3:52 PM CDT for 18 counties in Texas. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 2, 2002, 3:52 PM CDT (20:52 UTC)
Expired
Jul 2, 2002, 8:00 PM CDT
In force
4 hr
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

Counties Bandera County, TX, Bexar County, TX, Caldwell County, TX, Comal County, TX, DeWitt County, TX, Gillespie County, TX, Gonzales County, TX, Guadalupe County, TX, Hays County, TX, Karnes County, TX, Kendall County, TX, Kerr County, TX, Medina County, TX, Real County, TX, Travis County, TX, Uvalde County, TX, Williamson County, TX, Wilson County, TX

The radar

The Austin/San Antonio radar (KEWX), 37 km from the middle of the area, began a volume at 20:53 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 8.9 hours before the alert went out and 239 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 12:00Z on 2002-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1923 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, Del Rio, TX at 12:00Z on 2002-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 47 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
1923 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
627 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
47 m²/s²
0-3 km storm-relative helicity
143 m²/s²
Significant tornado parameter
0.5
Supercell composite
3.2

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KEWX 022052
FFWSAT
TXC019-029-055-091-123-171-177-187-209-255-259-265-325-385-453-463-
491-493-030100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
353 PM CDT TUE JUL 2 2002

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
  WILLIAMSON
  TRAVIS
  GILLESPIE
  HAYS
  KERR
  KENDALL
  REAL
  CALDWELL
  COMAL
  BANDERA
  GUADALUPE
  GONZALES
  BEXAR
  MEDINA
  UVALDE
  WILSON
  DEWITT
  KARNES

* UNTIL 800 PM CDT

* AT 348 PM...WEATHER SERVICE DOPPLER RADAR PATCHES OF LIGHT RAIN 
  WITH ISOLATED THUNDERSTORMS.  RAINFALL RATES WERE GENERALLY LESS
  THAN ONE-TENTH INCH OR LESS WITH ISOLATED RATES OF NEAR 1 INCH IN 
  THUNDERSTORMS.

ADDITIONAL THUNDERSTORMS DEVELOPING OVER FAR SOUTHERN TEXAS WILL 
MOVE INTO SOUTH CENTRAL TEXAS LATER THIS AFTERNOON CAUSING FLOOD 
PROBLEMS TO BECOME WORSE.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

LAT...LON 2923 9851 2877 9803 2919 9708 2952 9735
          3009 9769 3061 9724 3094 9782 2999 9830
          2988 9843 3017 9867 3050 9861 3049 9898
          2983 9999 2912 10007 2914 9889 2930 9881
3 follow-up statements
000 
WGUS74 KEWX 022121
FFSSAT
TXC019-021-029-031-053-055-091-123-149-171-177-187-209-255-259-265-
285-287-299-325-385-453-463-491-493-022220-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
420 PM CDT TUE JUL 2 2002

FLASH FLOOD WARNINGS ARE IN EFFECT THROUGH 8 PM CDT FOR THE 
FOLLOWING COUNTIES...LEE, BASTROP, FAYETTE, LAVACA, BURNET, LLANO, 
BLANCO, GILLESPIE, KERR, KENDALL, REAL, BANDERA, UVALDE, MEDINA, 
HAYS, CALDWELL, COMAL, GUADALUPE, GONZALES, BEXAR, WILSON, KARNES 
AND DEWITT.

A BAND OF SHOWERS AND THUNDERSTORMS WITH VERY HEAVY RAINFALL RATES 
OF 2 TO 3.5 INCHES PER HOUR CONTINUED FROM HALLETTSVILLE NORTHWARD 
TO LA GRANGE AND LINCOLN.  MOVEMENT IS NORTH AT 20 MPH.

THUNDERSTORMS WERE ALSO PRODUCING RAINFALL RATES OF 2 TO 5 INCHES 
PER HOUR ACROSS BLANCO COUNTY.  THIS STORM WAS BACK-BUILDING INTO 
KENDALL COUNTY.

ELSEWHERE, A STEADILY DECREASING AREA OF RAIN CONTINUED ACROSS THE 
HILL COUNTY AND SOUTH CENTRAL TEXAS.  EVEN THROUGH RAINFALL RATES 
WERE LESS THAN ONE-QUARTER INCH PER HOUR, FLOOD PROBLEMS CONTINUED.  
ALSO, SHOWERS AND THUNDERSTORMS WERE REDEVELOPING OVER FAR SOUTHERN 
TEXAS AND MOVING NORTH TOWARD THIS AREA.  

NUMEROUS RIVERS AND CREEKS ACROSS THE HILL COUNTRY AND SOUTH CENTRAL 
TEXAS WERE ALREADY IN FLOOD OR WERE RAPIDLY APPROACHING FLOOD WITH 
RIVER FLOOD WARNINGS ISSUED.  ALSO, WIDESPREAD ROAD CLOSURES 
CONTINUED.  

AREAS OF RAIN AND THUNDERSTORMS WILL CONTINUE THROUGH THE EVENING  
HOURS. ADDITIONAL RAINFALL AMOUNTS THROUGH THIS EVENING WILL AVERAGE 
2 TO 4 INCHES WITH ISOLATED AMOUNTS OF 6 TO 8 INCHES.  SOME RAINFALL 
RATES COULD APPROACH 5 INCHES PER HOUR.  THESE TORRENTIAL RAINS WILL 
EXACERBATE ALREADY FLOODED CONDITIONS. 

THIS IS A DANGEROUS LIFE THREATENING SITUATION.  PERSONS ARE ADVISED 
TO TRAVEL ONLY WHEN ABSOLUTELY NECESSARY.  KEEP AWAY FROM LOW LYING 
OR FLOOD PRONE AREAS...SWOLLEN RIVERS...CREEKS AND STREAMS.  
MOTORISTS SHOULD NOT ATTEMPT DRIVING THROUGH LOW WATER CROSSINGS 
WHEN WATER COVERS THE ROAD...AND OBEY ALL BARRICADE MARKERS.   

STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST WEATHER INFORMATION.
000 
WGUS74 KEWX 022201
FFSSAT
TXC019-021-029-031-053-055-091-123-149-171-177-187-209-255-259-265-
285-287-299-325-385-453-463-491-493-022310-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
500 PM CDT TUE JUL 2 2002

...FLASH FLOOD WATCH IN EFFECT TONIGHT FOR SOUTH CENTRAL TEXAS 
   AND THE HILL COUNTRY...

FLASH FLOOD WARNINGS ARE IN EFFECT THROUGH 8 PM CDT FOR THE 
FOLLOWING COUNTIES...LEE, BASTROP, FAYETTE, LAVACA, BURNET, LLANO, 
BLANCO, GILLESPIE, KERR, KENDALL, REAL, BANDERA, UVALDE, MEDINA, 
HAYS, CALDWELL, COMAL, GUADALUPE, GONZALES, BEXAR, WILSON, KARNES 
AND DEWITT.

A NEARLY STATIONARY THUNDERSTORM CONTINUES OVER BLANCO AND KENDALL 
COUNTIES NEAR KENDALIA AND BLANCO.  THIS STORM IS PRODUCING RAINFALL 
RATES OF 2 TO 4 INCHES AN HOUR. 

A BAND OF SHOWERS AND THUNDERSTORMS WITH HEAVY RAINFALL RATES OF 2 
TO 3 INCHES AN HOUR CONTINUED FROM LA GRANGE NORTHWARD TO GIDDINGS.
MOVEMENT IS NORTH AT 25 MPH.

SHOWERS AND THUNDERSTORMS WERE DECREASING RAPIDLY ACROSS THE 
REMAINDER OF THE WATCH AREA.  HOWEVER FLOOD PROBLEMS CONTINUE DUE TO 
RUNOFF. 

NUMEROUS RIVERS AND CREEKS ACROSS THE HILL COUNTRY AND SOUTH CENTRAL 
TEXAS WERE ALREADY IN FLOOD OR WERE RAPIDLY APPROACHING FLOOD WITH 
RIVER FLOOD WARNINGS ISSUED.  ALSO, WIDESPREAD ROAD CLOSURES 
CONTINUED.  

SHOWERS AND THUNDERSTORMS ARE EXPECTED TO REDEVELOP ACROSS THE FLASH 
FLOOD WATCH AREA LATER TONIGHT INTO EARLY WEDNESDAY MORNING.  THIS 
WILL OCCUR AS ANOTHER IMPULSE ROTATES AROUND THE UPPER LEVEL LOW 
PRESSURE SYSTEM LOCATED OVER SOUTH CENTRAL TEXAS.

THIS IS A DANGEROUS LIFE THREATENING SITUATION.  PERSONS ARE ADVISED 
TO TRAVEL ONLY WHEN ABSOLUTELY NECESSARY.  KEEP AWAY FROM LOW LYING 
OR FLOOD PRONE AREAS...SWOLLEN RIVERS...CREEKS AND STREAMS.  
MOTORISTS SHOULD NOT ATTEMPT DRIVING THROUGH LOW WATER CROSSINGS 
WHEN WATER COVERS THE ROAD...AND OBEY ALL BARRICADE MARKERS.   

STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST WEATHER INFORMATION.
000 
WGUS74 KEWX 022250
FFSSAT
TXC019-021-029-031-053-055-091-123-149-171-177-187-209-255-259-265-
285-287-299-325-385-453-463-491-493-020010-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
550 PM CDT TUE JUL 2 2002

...FLASH FLOOD WATCH IN EFFECT TONIGHT FOR SOUTH CENTRAL TEXAS 
   AND THE HILL COUNTRY...

FLASH FLOOD WARNINGS ARE IN EFFECT THROUGH 8 PM CDT FOR THE 
FOLLOWING COUNTIES...LEE, BASTROP, FAYETTE, LAVACA, BURNET, LLANO, 
BLANCO, GILLESPIE, KERR, KENDALL, REAL, BANDERA, UVALDE, MEDINA, 
HAYS, CALDWELL, COMAL, GUADALUPE, GONZALES, BEXAR, WILSON, KARNES 
AND DEWITT.

A SLOW MOVING CLUSTER OF SHOWERS AND THUNDERSTORMS WAS LOCATED FROM 
TWIN SISTERS TO ROUND MOUNTAIN AND LAGO VISTA.  THE STORMS CONTINUE 
TO PRODUCE RAINFALL RATES OF 1 TO 2 INCHES AN HOUR.  THESE STORMS 
WERE DRIFTING NORTHEAST. 

ISOLATED THUNDERSTORMS WERE ALSO LOCATED FROM HONDO TO SEA WORLD. 
RAINFALL RATES OF 2 TO 4 INCHES AN HOUR WERE OCCURRING BETWEEN RIO 
MEDINA AND SEA WORLD.  THESE STORMS WERE NEARLY STATIONARY. 

SHOWERS AND THUNDERSTORMS HAVE DIMINISHED RAPIDLY ACROSS THE 
REMAINDER OF THE WATCH AREA.  HOWEVER FLOODING PROBLEMS CONTINUE 
WHERE FLASH FLOOD WARNINGS ARE IN EFFECT DUE TO RUNOFF. 

NUMEROUS RIVERS AND CREEKS ACROSS THE HILL COUNTRY AND SOUTH CENTRAL 
TEXAS WERE ALREADY IN FLOOD OR WERE RAPIDLY APPROACHING FLOOD WITH 
RIVER FLOOD WARNINGS ISSUED.  ALSO, WIDESPREAD ROAD CLOSURES 
CONTINUED.  

SHOWERS AND THUNDERSTORMS ARE EXPECTED TO REDEVELOP SOMEWHERE WITHIN 
THE FLASH FLOOD WATCH AREA LATER TONIGHT INTO EARLY WEDNESDAY 
MORNING.  THIS WILL OCCUR AS ANOTHER IMPULSE ROTATES AROUND THE 
UPPER LEVEL LOW PRESSURE SYSTEM CURRENTLY LOCATED WEST OF AUSTIN.

THIS IS A DANGEROUS LIFE THREATENING SITUATION.  PERSONS ARE ADVISED 
TO TRAVEL ONLY WHEN ABSOLUTELY NECESSARY.  KEEP AWAY FROM LOW LYING 
OR FLOOD PRONE AREAS...SWOLLEN RIVERS...CREEKS AND STREAMS.  
MOTORISTS SHOULD NOT ATTEMPT DRIVING THROUGH LOW WATER CROSSINGS 
WHEN WATER COVERS THE ROAD...AND OBEY ALL BARRICADE MARKERS.   

STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST WEATHER INFORMATION.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 1, 7:10 PM CDTFlash Flood WarningEWXComal3 hr
Jul 1, 7:54 PM CDTFlash Flood WarningEWXBexar4 hr
Jul 1, 8:58 PM CDTFlash Flood WarningEWXHays3 hr
Jul 1, 9:39 PM CDTFlash Flood WarningEWXComal2 hr
Jul 1, 9:58 PM CDTFlash Flood WarningEWXTravis2 hr
Jul 1, 11:40 PM CDTFlash Flood WarningEWXBexar, Comal, Hays, Kendall, Travis4 hr
Jul 2, 1:18 AM CDTFlash Flood WarningEWXBandera, Medina, Uvalde117 min
Jul 2, 2:29 AM CDTFlash Flood WarningEWXGillespie, Kerr, Real6 hr
Jul 2, 2:51 AM CDTFlash Flood WarningEWXBandera, Medina, Uvalde6 hr
Jul 2, 3:04 AM CDTFlash Flood WarningEWXBexar, Blanco, Burnet, Comal, Kendall5 hr
Jul 2, 3:47 AM CDTFlash Flood WarningEWXWilson5 hr
Jul 2, 4:29 AM CDTFlash Flood WarningEWXDeWitt, Gonzales, Guadalupe, Karnes4 hr
Jul 2, 4:37 AM CDTFlash Flood WarningEWXKinney4 hr
Jul 2, 6:01 AM CDTFlash Flood WarningEWXCaldwell, Hays6 hr
Jul 2, 6:04 AM CDTFlash Flood WarningEWXLavaca6 hr
Jul 2, 6:44 AM CDTFlash Flood WarningEWXBandera, Blanco, Burnet, Gillespie, Kendall, Kerr and 4 more5 hr
Jul 2, 6:50 AM CDTFlash Flood WarningEWXBexar, Comal, DeWitt, Gonzales, Guadalupe, Karnes and 1 more5 hr
Jul 2, 7:23 AM CDTFlash Flood WarningEWXBastrop, Fayette, Travis5 hr
Jul 2, 11:41 AM CDTFlash Flood WarningEWXEdwards, Kinney, Uvalde4 hr
Jul 2, 11:50 AM CDTFlash Flood WarningEWXBastrop, Caldwell, DeWitt, Fayette, Gonzales, Hays and 4 more4 hr
Jul 2, 12:00 PM CDTFlash Flood WarningEWXBandera, Bexar, Blanco, Burnet, Comal, Gillespie and 7 more4 hr
Jul 2, 3:34 PM CDTFlash Flood WarningEWXBlanco, Burnet, Llano4 hr
Jul 2, 3:44 PM CDTFlash Flood WarningEWXBastrop, Fayette, Lavaca, Lee4 hr

Nearby

Flash Flood Warnings in Texas, 2002Every flash flood warning in 2002

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; radar from the NEXRAD Level II archive.