Alert archive / Texas / Flash Flood Warnings in 2004

Flash Flood Warning 22, NWS Austin/San Antonio, TX

April 2, 2004DeWitt County, Karnes County, Kinney County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Apr 2, 2004, 2:42 PM CST for DeWitt County, Karnes County, Kinney 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, 2:42 PM CST (20:42 UTC)
Expired: Oct 5, 2004, 6:45 AM CDT
In force: 186 days
Issued by: NWS Austin/San Antonio, TX
Area: Counties, with a storm outline in the text

Counties DeWitt County, TX, Karnes County, TX, Kinney County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 8.7 hours before the alert went out and 29 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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 022042
FFWSAT
TXC123-255-022345-

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

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
  DEWITT
  KARNES

* UNTIL 545 PM CST

* AT 242 PM...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN
  FROM NUMEROUS THUNDERSTORMS TRAINING AND MOVING NORTHEAST AT 15 
  MPH ACROSS THE WARNED AREA.

DOPPLER RADAR ESTIMATES INDICATE UP TO 3 INCHES HAS FALLEN OVER 
PARTS OF KARNES AND DEWITT COUNTIES IN THE PAST 3 HOURS. ADDITIONAL 
RAINS OF 1 TO 2 INCHES WILL REMAIN POSSIBLE OVER THESE SAME AREAS 
THROUGH 4 PM.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS
THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.


LAT...LON 2892 9806 2873 9787 2912 9710 2929 9734

$$

1 follow-up statement

000 
WGUS54 KEWX 050848
FFWSAT
TXC271-051145-
/X.NEW.KEWX.FF.W.0022.041005T0845Z-041005T1145Z/
/0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

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

* UNTIL 645 AM CDT

* AT 343 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN FROM THUNDERSTORMS OVER THE WESTERN HALF OF
  KINNEY COUNTY. MOVEMENT IS EAST AT 5 TO 10 MPH. RAINFALL RATES OF
  1.25 TO 1.75 INCHES AN HOUR WERE BEING ESTIMATED BY DOPPLER RADAR 
  BETWEEN 3008 AND 674.  

* LOCATIONS IN THE WARNING INCLUDE ALAMO VILLAGE AND BRACKETTVILLE. 
  
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND. DO NOT STAY IN FLOOD PRONE AREAS.

LAT...LON 2922 10075 2910 10064 2911 10034 2961 10015
      2962 10067

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 2, 11:03 AM CST	Flash Flood Warning	EWX	Bexar, Medina, Val Verde	186 days
Apr 2, 1:21 PM CST	Flash Flood Warning	EWX	Comal, Guadalupe, Maverick	186 days
Apr 2, 1:59 PM CST	Severe Thunderstorm Warning	EWX	Kinney	91 min
Apr 2, 2:48 PM CST	Flash Flood Warning	EWX	Fayette, Maverick	186 days
Apr 2, 5:04 PM CST	Severe Thunderstorm Warning	EWX	Frio	56 min

Nearby

Flash Flood Warnings in Texas, 2004 Every 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.