Alert archive / Texas / Flash Flood Warnings in 2004

Flash Flood Warning 199, NWS Austin/San Antonio, TX

June 28, 20044 counties in Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Jun 28, 2004, 2:56 PM CDT for 4 counties in Texas. It was in force for 2 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
Jun 28, 2004, 2:56 PM CDT (19:56 UTC)
Expired
Jun 28, 2004, 5:00 PM CDT
In force
2 hr
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

Counties Fayette County, TX, Gonzales County, TX, Karnes County, TX, Wilson County, TX

The radar

The Austin/San Antonio radar (KEWX), 58 km from the middle of the area, began a volume at 19:56 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

Corpus Christi, TX (KCRP), launched 12:00Z, 7.9 hours before the alert went out and 186 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 12:00Z on 2004-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3444 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Corpus Christi, TX at 12:00Z on 2004-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 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
3444 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
507 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
44 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 
WGUS54 KEWX 281956
FFWSAT
TXC149-177-255-493-282200-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
256 PM CDT MON JUN 28 2004

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
  FAYETTE
  GONZALES
  WILSON
  KARNES

* UNTIL 500 PM CDT

* AT 251 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  STRONG THUNDERSTORMS PRODUCING RAINFALL AMOUNTS OF ONE HALF TO 
  ONE INCH. THESE STORM ARE MOVING NORTHEAST 10 TO 15 MPH.

RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL CREEKS...
STREAMS...HIGHWAYS AND UNDERPASSES. 


LAT...LON 2875 9801 2877 9793 2873 9783 2883 9763
          2903 9782 2943 9729 2966 9724 2969 9692
          2997 9664 3013 9672 3014 9679 3001 9704
          2976 9730 2960 9764 2935 9782 2936 9811
          2938 9817 2912 9838

$$
2 follow-up statements
000 
WGUS74 KEWX 282104
FFSSAT
TXC019-137-149-177-255-265-271-325-385-463-465-493-282230-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
400 PM CDT MON JUN 28 2004

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 5 PM CDT FOR
GONZALES...FAYETTE...WILSON...KARNES...

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 6 PM CDT FOR VAL
VERDE...EDWARDS...KINNEY...KERR...REAL...BANDERA...MEDINA AND UVALDE
COUNTIES...

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH 4 PM CDT TUESDAY
AFTERNOON.

NATIONAL WEATHER SERVICE DOPPLER RADARS CONTINUED TO INDICATE HEAVY
RAINFALL ACROSS MUCH OF SOUTH CENTRAL TEXAS. RAINFALL RATES OF ONE
QUARTER TO ONE HALF INCH PER HOUR ARE EXPECTED. THE STRONGEST STORMS
WILL PRODUCE RAINFALL RATES OF 1 TO 2 INCHES PER HOUR.  THE SHOWERS
AND THUNDERSTORMS WILL CONTINUE TO MOVE NORTH THROUGH THE AFTERNOON
AND INTO THE EVENING.

AFTER SEVERAL DAYS OF RAIN ACROSS THE REGION...SOILS ARE SATURATED
AND AND ADDITIONAL RAINFALL WILL QUICKLY RUN OFF.  IF YOU LIVE IN
OR NEAR A FLOOD PRONE AREA...BE PREPARED TO MOVE TO SAFETY OR HIGHER
GROUND QUICKLY IF A WARNING IS ISSUED OR FLOODING IS OBSERVED.

MOTORISTS TRAVELING ACROSS SOUTH CENTRAL TEXAS SHOULD EXERCISE
EXTREME CAUTION IN AREAS OF HEAVY RAINFALL.  BE ESPECIALLY
CAUTIOUS IN LOW LYING AREAS...NEAR LOW WATER CROSSINGS AND
NEAR CREEK OR RIVERS.  DO NOT DRIVE INTO WATER THAT COVERS
THE ROADWAY.  REMEMBER...TURN AROUND DONT DROWN.

IN ADDITION TO THE THREAT FOR FLASH FLOODING...RIVER FLOODING COULD
ALSO BE A CONCERN.  HEAVY RAINFALL WILL RUN OFF QUICKLY AND CAUSE
RAPID RISES ON AREA CREEKS...STREAMS AND RIVERS.  IF YOU LIVE NEAR A
CREEK...STREAM OR RIVER...BE PREPARED TO MOVE QUICKLY TO HIGHER
GROUND IF A WARNING IS ISSUED OR FLOODING IS OBSERVED.

WITH ADDITIONAL HEAVY RAINFALL EXPECTED INTO TUESDAY RESIDENTS
SHOULD CONTINUE TO MONITOR THE LATEST FORECAST AND WARNINGS.

$$
000 
WGUS74 KEWX 282159
FFSSAT
TXC149-177-255-493-282230-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
459 PM CDT MON JUN 28 2004

...THE FLASH FLOOD WARNING FOR KARNES...WILSON...GONZALES AND FAYETTE
COUNTIES WILL EXPIRE AT 500 PM CDT...

AT 458 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED ONLY A 
FEW LIGHT SHOWERS ACROSS THE AREA. AS A RESULT...THE FLASH FLOOD 
WARNING PREVIOUSLY ISSUED WILL BE LEFT TO EXPIRE AT 5 PM. 

THERE MAY BE SOME SLIGHT RISES ON SMALL STREAMS. SOME WATER MAY 
STILL PONDING IN LOW LYING AREAS. MOTORISTS ARE URGED TO DRIVE WITH 
CAUTION. 

LAT...LON 2875 9801 2877 9793 2873 9783 2883 9763
          2903 9782 2943 9729 2966 9724 2969 9692
          2997 9664 3013 9672 3014 9679 3001 9704
          2976 9730 2960 9764 2935 9782 2936 9811
          2938 9817 2912 9838

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 9:31 PM CDTFlash Flood WarningEWXComal3 hr
Jun 27, 10:10 PM CDTFlash Flood WarningEWXBexar4 hr
Jun 27, 11:11 PM CDTFlash Flood WarningEWXUvalde4 hr
Jun 27, 11:45 PM CDTFlash Flood WarningEWXBandera, Bexar, Medina, Zavala4 hr
Jun 28, 3:18 AM CDTFlash Flood WarningEWXUvalde3 hr
Jun 28, 3:44 AM CDTFlash Flood WarningEWXMedina3 hr
Jun 28, 5:31 AM CDTFlash Flood WarningEWXEdwards, Kinney, Val Verde4 hr
Jun 28, 9:01 AM CDTFlash Flood WarningEWXVal Verde5 hr
Jun 28, 10:44 AM CDTFlash Flood WarningEWXBlanco, Comal, Hays3 hr
Jun 28, 11:27 AM CDTFlash Flood WarningEWXDeWitt, Fayette, Gonzales, Lavaca4 hr
Jun 28, 11:40 AM CDTFlash Flood WarningEWXBandera, Medina, Real, Uvalde3 hr
Jun 28, 1:54 PM CDTFlash Flood WarningEWXEdwards, Kinney, Val Verde4 hr
Jun 28, 2:54 PM CDTFlash Flood WarningEWXBandera, Kerr, Medina, Real, Uvalde3 hr
Jun 28, 5:26 PM CDTFlash Flood WarningEWXBexar, Kendall2 hr
Jun 28, 5:31 PM CDTSevere Thunderstorm WarningEWXFrio59 min
Jun 28, 5:34 PM CDTSevere Thunderstorm WarningEWXTravis, Williamson56 min

Nearby

Flash Flood Warnings in Texas, 2004Every flash flood warning in 2004

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.