Alert archive / Texas / Flash Flood Warnings in 2004

Flash Flood Warning 76, NWS Austin/San Antonio, TX

April 25, 2004Edwards County, Kinney County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Apr 25, 2004, 5:54 PM CDT for Edwards County, Kinney County, 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: Apr 25, 2004, 5:54 PM CDT (22:54 UTC)
Expired: Apr 25, 2004, 8:00 PM CDT
In force: 2 hr
Issued by: NWS Austin/San Antonio, TX
Area: Counties, with a storm outline in the text

Counties Edwards County, TX, Kinney County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 10.9 hours before the alert went out and 50 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: 319 J/kg
Mixed-layer CIN: -87 J/kg
Mixed-layer LCL: 537 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 47 m²/s²
0-3 km storm-relative helicity: 52 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS54 KEWX 252255
FFWSAT
TXC137-271-260100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
554 PM CDT SUN APR 25 2004

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EDWARDS COUNTY IN SOUTH CENTRAL TEXAS
  KINNEY COUNTY IN SOUTH CENTRAL TEXAS

* UNTIL 800 PM CDT

* AT 554 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM A CLUSTER OF THUNDERSTORMS OVER SOUTHERN 
  EDWARDS COUNTY AND FAR NORTHERN KINNEY COUNTY...FROM ABOUT 5 MILES
  SOUTH OF ROCKSPRINGS TO BARKSDALE TO 10 MILES SOUTH OF
  BARKSDALE...THEN WEST TO CARTA VALLEY.  THE STORMS PRODUCING FLASH
  FLOODING WERE NEARLY STATIONARY.  DOPPLER RADAR INDICATED RAINFALL
  RATES OF NEARLY TWO AND ONE-HALF INCHES OF RAIN PER HOUR.  

* THE STORMS PRODUCING FLASH FLOODING WILL OTHERWISE REMAIN OVER
  MAINLY RURAL AREAS OF THE INDICATED COUNTIES.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER
LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING.

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.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. IT IS
IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR
CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS SHOULD AVOID
CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS.

LAT...LON 2955 10068 2953 10017 2989 10002 2979 10067

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 25, 9:35 AM CDT	Flash Flood Warning	EWX	Karnes, Wilson	3 hr
Apr 25, 10:34 AM CDT	Flash Flood Warning	EWX	Gonzales	3 hr
Apr 25, 11:00 AM CDT	Flash Flood Warning	EWX	DeWitt, Lavaca	4 hr
Apr 25, 11:09 AM CDT	Flash Flood Warning	EWX	Fayette	4 hr
Apr 25, 5:29 PM CDT	Severe Thunderstorm Warning	EWX	Edwards, Real	61 min
Apr 25, 6:13 PM CDT	Flash Flood Warning	EWX	Val Verde	3 hr
Apr 25, 6:27 PM CDT	Severe Thunderstorm Warning	EWX	Real	63 min
Apr 25, 6:32 PM CDT	Severe Thunderstorm Warning	EWX	Edwards	58 min
Apr 25, 6:51 PM CDT	Severe Thunderstorm Warning	EWX	Uvalde	54 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.