Alert archive / Texas / Flash Flood Warnings in 2004

Flash Flood Warning 23, NWS Austin/San Antonio, TX

April 2, 2004Fayette County, Maverick County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Apr 2, 2004, 2:48 PM CST for Fayette County, Maverick County, Texas. It was in force for 186 days. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 2, 2004, 2:48 PM CST (20:48 UTC)
Expired
Oct 5, 2004, 9:00 AM CDT
In force
186 days
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

Counties Fayette County, TX, Maverick County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 8.8 hours before the alert went out and 89 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 2004-04-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1046 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 2004-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 square meters per square second.193958Sfc1 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
1046 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
706 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
57 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 022048
FFWSAT
TXC149-022345-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
248 PM CST FRI APR 2 2004

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
  FAYETTE

* UNTIL 545 PM CST

* AT 248 PM...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY 
  RAINS FROM NUMEROUS THUNDERSTORMS TRAINING AND MOVING NORTHEAST 
  AT 15 MPH ACROSS THE WARNED AREA.

DOPPLER RADAR ESTIMATES SUGGEST AS MUCH AS 3 INCHES OF RAIN HAS 
FALLEN JUST WEST OF WEST POINT IN WESTERN FAYETTE COUNTY IN THE PAST 
3 HOURS. AN ADDITIONAL INCH OF RAIN MAY STILL FALL OVER THESE SAME 
AREAS THROUGH 4 PM. THESE HEAVY RAINS WILL LIKELY PRODUCE FLASH 
FLOODING ALONG HIGHWAY 71 WEST OF LAGRANGE.

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 2982 9726 2970 9705 2997 9666 3012 9680

$$
1 follow-up statement
000 
WGUS54 KEWX 051104
FFWSAT
TXC323-051400-
/X.NEW.KEWX.FF.W.0023.041005T1059Z-041005T1400Z/
/0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
559 AM CDT TUE OCT 5 2004

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS EXTENDED THE

* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
  MAVERICK

* UNTIL 900 AM CDT

* AT 556 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  VERY HEAVY RAIN FROM THUNDERSTORMS OVER MAVERICK COUNTY. MOVEMENT
  WAS EAST AT 5 TO 10 MPH. RAINFALL RATES OF 1.5 TO 2 INCHES AN HOUR
  WERE BEING INDICATED BY DOPPLER RADAR.  

* THE STORM PRODUCING VERY HEAVY RAIN WILL CONTINUE TO IMPACT EAGLE
  PASS...EL INDIO AND NORMANDY.
  
HOME EVACUATIONS ARE OCCURRING IN EAGLE PASS ACCORDING TO THE SHERIFFS   
OFFICE.

LAT...LON 2835 10030 2836 10013 2907 10015 2905 10038
      2907 10066

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 2, 11:03 AM CSTFlash Flood WarningEWXBexar, Medina, Val Verde186 days
Apr 2, 1:21 PM CSTFlash Flood WarningEWXComal, Guadalupe, Maverick186 days
Apr 2, 1:59 PM CSTSevere Thunderstorm WarningEWXKinney91 min
Apr 2, 2:42 PM CSTFlash Flood WarningEWXDeWitt, Karnes, Kinney186 days
Apr 2, 5:04 PM CSTSevere Thunderstorm WarningEWXFrio56 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.