Alert archive / Texas / Flash Flood Warnings in 2004

Flash Flood Warning 196, 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, 11:40 AM CDT for 4 counties in Texas. It was in force for 3 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, 11:40 AM CDT (16:40 UTC)
Expired
Jun 28, 2004, 3:00 PM CDT
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

Counties Bandera County, TX, Medina County, TX, Real County, TX, Uvalde County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 4.7 hours before the alert went out and 118 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 2004-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1424 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 2004-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 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
1424 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
632 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
125 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 281643
FFWSAT
TXC019-325-385-463-282000-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1140 AM CDT MON JUN 28 2004

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
  REAL
  BANDERA
  MEDINA
  UVALDE

* UNTIL 300 PM CDT

* AT 1134 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  STRONG THUNDERSTORMS PRODUCING RAINFALL AMOUNTS OF ONE QUARTER TO
  THREE QUARTER INCHES. THESE STORMS ARE MOVING NORTH AT 10 TO 15
  MPH.

RUNOFF FROM THESE STORMS WILL CAUSE FLOODING OF 
CREEKS...STREAMS...HIGHWAYS AND UNDERPASSES. 


LAT...LON 2914 10008 2913 9885 2974 9886 2988 9923
          2990 9973 3005 9973 3004 9996 2960 9999
          2957 10008

$$
1 follow-up statement
000 
WGUS74 KEWX 281657 CCA
FFSSAT
TXC019-031-091-123-177-209-285-325-385-463-465-281930-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1150 AM CDT MON JUN 28 2004

...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR VAL
VERDE...REAL...BANDERA...UVALDE...MEDINA...BLANCO...HAYES 
AND COMAL COUNTIES...

A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 4 PM CDT FOR
GONZALES...LAVACA...FAYETTE AND DEWITT COUNTIES...

A FLASH FLOOD WATCH IS IN EFFECT UNTIL 4 AM CDT TUESDAY FOR ALL OF 
SOUTH CENTRAL TEXAS... 

WIDESPREAD RAINFALL AMOUNTS FROM SUNDAY WERE GENERALLY IN THE ONE
HALF INCH TO ONE INCH RANGE...WITH SOME LOCATIONS RECEIVING UP TO 4
INCHES OF RAINFALL.  

WITH SOILS SATURATED ACROSS SOUTH CENTRAL TEXAS...ANY ADDITIONAL
RAINFALL THIS AFTERNOON AND OVERNIGHT WILL CAUSE FLASH FLOODING.  IN
ADDITION TO THE FLASH FLOOD THREAT...PERSONS IN LOW LYING AREAS OR IN
LOCATIONS ALONG CREEKS...STREAMS AND RIVERS MAY ALSO EXPERIENCE
FLOODING FROM RAPID RISES CAUSED BY FLOOD WATERS QUICKLY RUNNING OFF.

ALL MOTORISTS SHOULD EXERCISE EXTREME CAUTION WHILE TRAVELING AND BE
ESPECIALLY ALERT AT OR NEAR LOW WATER CROSSINGS...NEAR CREEKS AND
RIVERS OR IN LOW LYING AREAS.  IF YOU APPROACH A LOCATION AND WATER
COVERS THE ROAD WAY REMEMBER...TURN AROUND DONT DROWN.

RESIDENTS IN THE WATCH AREA SHOULD CONTINUE TO MONITOR THE LATEST
FORECAST AND BE PREPARED TO RESPOND QUICKLY IF A WARNING IS ISSUED
FOR YOUR AREA.

$$

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, 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, 2:56 PM CDTFlash Flood WarningEWXFayette, Gonzales, Karnes, Wilson2 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.