Alert archive / Texas / Flash Flood Warnings in 2004

Flash Flood Warning 123, NWS Austin/San Antonio, TX

June 9, 20048 counties in Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Jun 9, 2004, 8:53 AM CDT for 8 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
Jun 9, 2004, 8:53 AM CDT (13:53 UTC)
Expired
Jun 9, 2004, 1:00 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, Gillespie County, TX, Kendall County, TX, Kerr County, TX, Llano County, TX, Medina County, TX, Real County, TX, Uvalde County, TX

The radar

The Austin/San Antonio radar (KEWX), 130 km from the middle of the area, began a volume at 13:54 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, 1.9 hours before the alert went out and 171 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 2004-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1576 joules per kilogram.LCLLFCEL10008507005003002001001 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, Del Rio, TX at 12:00Z on 2004-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -15 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
1576 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
584 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-15 m²/s²
0-3 km storm-relative helicity
21 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 091358
FFWSAT
TXC019-171-259-265-299-325-385-463-091800-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
853 AM CDT WED JUN 9 2004

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
  LLANO
  GILLESPIE
  KERR
  KENDALL
  REAL
  BANDERA
  MEDINA
  UVALDE

* UNTIL 100 PM CDT

* AT 855 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM WIDESPREAD THUNDERSTORMS WITH HEAVY RAIN  
  CONTINUING TO TRAIN NORTHWARD ACROSS THE HILL COUNTRY.

SHOWERS AND THUNDERSTORMS WILL HEAVY RAIN CONTINUE TO MOVE NORTHWARD 
ACROSS THE HILL COUNTRY PRODUCING ADDITIONAL HEAVY RAINS ON ALREADY 
SATURATED SOILS.  TRAVEL INTO THE HILL COUNTRY IS DISCOURAGED DUE TO 
HEAVY RAINFALL AND FLOODING...ESPECIALLY OVER SECONDARY ROADS SUCH 
AS RURAL COUNTY AND RANCH ROADS.    

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. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. 

LAT...LON 2931 10007 2928 9894 3093 9851 3091 9890
          3042 9895 3043 9922 3022 9932 3023 9968

$$
1 follow-up statement
000 
WGUS74 KEWX 091731
FFSSAT
TXC013-019-029-031-091-171-187-259-265-299-325-385-463-493-091901-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1226 PM CDT WED JUN 9 2004

...FLASH FLOOD WARNING FOR ATASCOSA...BEXAR...LLANO...GILLESPIE...
KENDALL...KERR...BANDERA...REAL...UVALDE...AND MEDINA COUNTIES
THROUGH 1 PM CDT...
...FLASH FLOOD WARNING FOR BLANCO AND COMAL COUNTIES UNTIL 2 PM
CDT...
...FLASH FLOOD WARNING FOR GUADALUPE AND WILSON COUNTIES
UNTIL 315 PM CDT...
...FLASH FLOOD WATCH THROUGH 400 PM CDT...

AT 1215 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWS AN
AREA OF RAIN...HEAVY AT TIMES...OVER PARTS OF REAL...UVALDE...
MEDINA...ATASCOSA...BEXAR...COMAL...GUADALUPE...WILSON...BANDERA...
KERR...GILLESPIE...BLANCO AND LLANO COUNTIES.

SHOWERS AND THUNDERSTORMS PRODUCING THESE HEAVY RAINS WERE MOVING
NORTH AT 25 MPH.  OCCASIONAL RAIN...HEAVY AT TIMES...DANGEROUS
LIGHTNING...AND WIND GUSTS 20 TO 40 MPH WILL ACCOMPANY THESE
STORMS...DURING THIS HEAVY RAIN EVENT THIS AFTERNOON.

TRAVEL IS DISCOURAGED OVER THE HILL COUNTRY THIS AFTERNOON...
AS LOW WATER CROSSINGS WILL EXPERIENCE FLOODING...AND MANY SECONDARY
ROADS...INCLUDING FARM AND RANCH ROADS...NEAR CREEKS...SMALL STREAMS
AND RIVERS WILL FLOOD.

OVER PARTS OF SOUTH CENTRAL TEXAS ADJACENT TO THE HILL COUNTRY...LOW
WATER CROSSINGS AND ROADS IN LOW LYING AREAS ARE EXPECTED TO FLOOD
WHERE HEAVY RAIN FORMS THIS AFTERNOON.  OCCASIONAL RAIN IS
EXPECTED THIS AFTERNOON...AND WILL BE HEAVY AT TIMES.

ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO INCHES IS POSSIBLE TODAY...
WITH ISOLATED AMOUNTS OF 2 TO 5 INCHES POSSIBLE FROM THE STRONGER
SHOWERS AND THUNDERSTORMS.

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER
GROUND.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 7:01 PM CDTTornado WarningEWXMedina29 min
Jun 8, 8:14 PM CDTFlash Flood WarningEWXFrio, Medina3 hr
Jun 8, 8:26 PM CDTTornado WarningEWXMedina34 min
Jun 8, 8:31 PM CDTFlash Flood WarningEWXEdwards, Kerr, Real3 hr
Jun 8, 8:51 PM CDTFlash Flood WarningEWXDimmit, Zavala3 hr
Jun 8, 11:48 PM CDTFlash Flood WarningEWXZavala117 min
Jun 9, 4:07 AM CDTFlash Flood WarningEWXBlanco4 hr
Jun 9, 5:02 AM CDTFlash Flood WarningEWXLlano4 hr
Jun 9, 5:45 AM CDTFlash Flood WarningEWXBandera4 hr
Jun 9, 5:59 AM CDTFlash Flood WarningEWXGillespie, Kerr3 hr
Jun 9, 6:13 AM CDTFlash Flood WarningEWXMedina, Uvalde4 hr
Jun 9, 7:15 AM CDTFlash Flood WarningEWXKendall3 hr
Jun 9, 7:59 AM CDTFlash Flood WarningEWXBlanco4 hr
Jun 9, 9:00 AM CDTFlash Flood WarningEWXBexar3 hr
Jun 9, 9:53 AM CDTFlash Flood WarningEWXAtascosa, Bexar3 hr
Jun 9, 11:01 AM CDTFlash Flood WarningEWXComal3 hr
Jun 9, 11:58 AM CDTFlash Flood WarningEWXBlanco2 hr
Jun 9, 12:22 PM CDTFlash Flood WarningEWXGuadalupe, Wilson3 hr
Jun 9, 12:36 PM CDTFlash Flood WarningEWXHays3 hr
Jun 9, 12:38 PM CDTSevere Thunderstorm WarningEWXComal67 min
Jun 9, 12:58 PM CDTFlash Flood WarningEWXBandera, Blanco, Burnet, Gillespie, Kendall, Kerr and 1 more3 hr
Jun 9, 1:07 PM CDTFlash Flood WarningEWXAtascosa, Bexar3 hr
Jun 9, 1:20 PM CDTFlash Flood WarningEWXTravis, Williamson4 hr
Jun 9, 1:55 PM CDTFlash Flood WarningEWXComal4 hr
Jun 9, 3:25 PM CDTFlash Flood WarningEWXGuadalupe, Hays, Wilson4 hr
Jun 9, 3:45 PM CDTFlash Flood WarningEWXAtascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 14 more4 hr
Jun 9, 4:55 PM CDTFlash Flood WarningEWXKarnes3 hr
Jun 9, 5:25 PM CDTFlash Flood WarningEWXDeWitt, Fayette, Lavaca, Lee6 hr

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.