Alert archive / Texas / Flash Flood Warnings in 2004
Flash Flood Warning 149, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jun 23, 2004, 3:29 AM CDT for Val Verde 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
- Jun 23, 2004, 3:29 AM CDT (08:29 UTC)
- Expired
- Jun 23, 2004, 5:30 AM CDT
- In force
- 2 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
County Val Verde County, TX
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 8.5 hours before the alert went out and 48 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.
- Mixed-layer CAPE
- 585 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 1828 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS54 KEWX 230829
FFWSAT
TXC465-231030-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
329 AM CDT WED JUN 23 2004
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
VAL VERDE
* UNTIL 530 AM CDT
* AT 329 AM CDT...DOPPLER RADAR INDICATED FLASH FLOODING RAINS
FROM NUMEROUS THUNDERSTORMS COVERING MUCH OF VAL VERDE COUNTY.
THESE STORMS WERE TRAINING OVER THE SAME AREAS AND MOVING VERY
SLOWLY WEST AT AROUND 5 MPH.
RADAR ESTIMATES SUGGEST UP TO 6 INCHES OF RAIN HAS ALREADY FALLEN IN
THE PANDALE AREA WITH A LARGE AREA OF 2 TO 3 INCH RAINS OVER WESTERN
VAL VERDE COUNTY. THESE HEAVY RAINS WILL SPREAD SOUTH TOWARD THE RIO
GRANDE...INCLUDING THE DEL RIO AREA.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT
QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
LAT...LON 2987 10071 3015 10102 3029 10175 2979 10176
2969 10143 2932 10090 2929 10077 2947 10071
$$1 follow-up statement
000 WGUS74 KEWX 231034 FFSSAT TXC465-231100- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 533 AM CDT WED JUN 23 2004 ...A FLASH FLOOD WARNING WAS ALLOWED TO EXPIRE AT 530 AM FOR VAL VERDE COUNTY... ...AN URBAN AND SMALL STREAM FLOOD ADVISORY REMAINS IN EFFECT FOR VAL VERDE COUNTY... AT 533 AM...DOPPLER RADAR INDICATED A NEAR SOLID AREA OF SHOWERS AND THUNDERSTORMS OVER MUCH OF VAL VERDE COUNTY. HOURLY RAINFALL TOTALS WILL REMAIN LESS THAN ONE-HALF INCH AND SHOULD CONTINUE TO GRADUALLY DECREASE. HOWEVER...OVERNIGHT RAINS HAVE CAUSED STREAMS AND NORMALLY DRY WASHES TO REMAIN FLOODED...SO ANY ADDITIONAL RAINS WILL LIKELY KEEP LOW WATER CROSSINGS FLOODED IN SPOTS. TRAVEL IS DISCOURAGED UNTIL DAYBREAK. MOST FLASH FLOOD DEATHS OCCUR AT NIGHT. BE ESPECIALLY CAUTIOUS AT NIGHT SINCE IT IS HARDER TO RECOGNIZE THE DANGERS OF FLASH FLOODS. USE CAUTION IN AND AROUND STREAMS...CREEKS OR DRAINAGE DITCHES. TAKE THE SHORTEST PATH TO REACH HIGHER GROUND...BUT DO NOT DRIVE THROUGH RISING WATER. $$
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 12:35 AM CDT | Flash Flood Warning | EWX | Val Verde | 3 hr |
| Jun 23, 2:59 PM CDT | Flash Flood Warning | EWX | Lavaca | 3 hr |
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.