Alert archive / Texas / Flash Flood Warnings in 2004

Flash Flood Warning 13, NWS Austin/San Antonio, TX

March 14, 20044 counties in Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Mar 14, 2004, 4:21 PM CST for 4 counties in Texas. It was in force for 202 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: Mar 14, 2004, 4:21 PM CST (22:21 UTC)
Expired: Oct 2, 2004, 1:00 PM CDT
In force: 202 days
Issued by: NWS Austin/San Antonio, TX
Area: Counties, with a storm outline in the text

Counties Bastrop County, TX, Caldwell County, TX, Edwards County, TX, Lee County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 10.4 hours before the alert went out and 270 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: 671 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 569 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 71 m²/s²
0-3 km storm-relative helicity: 27 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KEWX 142223
FFWSAT
TXC137-150115-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
421 PM CST SUN MAR 14 2004

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

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

* UNTIL 715 PM CST

* AT 421 PM...WEATHER SERVICE DOPPLER RADAR INDICATED A CLUSTER OF 
HEAVY THUNDERSTORMS WITH HEAVY RAIN ACROSS NORTHWEST EDWARDS COUNTY 
FROM 19 MILES NORTHWEST OF ROCKSPRINGS TO 12 MILES EAST OF LOMA 
ALTA...MOVING EAST AT 20 MPH.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES AND
ARROYOS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS.

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 3024 10050 2978 10069 3043 9937 3089 9917

$$

1 follow-up statement

000 
WGUS54 KEWX 021505
FFWSAT
TXC021-055-287-021800-
/X.NEW.KEWX.FF.W.0013.041002T1500Z-041002T1800Z/
/0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1000 AM CDT SAT OCT 2 2004

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
  LEE
  BASTROP
  CALDWELL

* UNTIL 100 PM CDT

* AT 955 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN FROM A THUNDERSTORM OVER THE WARNED AREA.

THE FLASH FLOODING THREAT FOR LEE COUNTY IS ESPECIALLY SERIOUS AS 
RADAR ESTIMATES SUGGEST 8 INCHES HAS FALLEN OVER AN AREA BETWEEN 
GIDDINGS AND DIME BOX. OTHER ESTIMATES INDICATE WIDESPREAD 2 TO 3 
INCH AMOUNTS ACROSS THE REST OF LEE AS WELL AS BASTROP AND CALDWELL 
COUNTIES. 

RADAR TRENDS INDICATE ANOTHER 1 TO 2 INCHES OF RAIN IS POSSIBLE 
THROUGH NOON AS STORMS CONTINUE TO REDEVELOP OVER THE WARNED AREA.

FLASH FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED AREAS. A LITTLE
OVER A FOOT OF WATER CAN CARRY AWAY MOST CARS AND TRUCKS. TURN AROUND
- DONT DROWN.

LAT...LON 3036 9732 2984 9787 2968 9768 3002 9715
      3029 9676 3053 9700

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 14, 12:17 PM CST	Flash Flood Warning	EWX	Hays, Lavaca	202 days
Mar 14, 2:56 PM CST	Severe Thunderstorm Warning	EWX	Val Verde	64 min
Mar 14, 3:51 PM CST	Flash Flood Warning	EWX	Atascosa, Karnes, Val Verde	202 days
Mar 14, 4:41 PM CST	Severe Thunderstorm Warning	EWX	Edwards	64 min
Mar 14, 5:36 PM CST	Flash Flood Warning	EWX	Real, Travis	202 days

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.