Alert archive / Texas / Flash Flood Warnings in 2004
Flash Flood Warning 78, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Apr 25, 2004, 7:58 PM CDT for Edwards County, Val Verde County, Texas. It was in force for 3 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, 7:58 PM CDT (00:58 UTC)
- Expired
- Apr 25, 2004, 11:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
Counties Edwards County, TX, Val Verde County, TX
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 1.0 hours before the alert went out and 73 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
- 1659 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 649 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- -32 m²/s²
- 0-3 km storm-relative helicity
- 16 m²/s²
- Significant tornado parameter
- -0.3
- Supercell composite
- -2.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS54 KEWX 260101
FFWSAT
TXC137-465-260400-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
758 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
THIS INCLUDES THE CITY OF ROCKSPRINGS AND CARTA VALLEY
VAL VERDE COUNTY IN SOUTH CENTRAL TEXAS
THIS INCLUDES THE CITIES OF...LOMA ALTA...JUNO...AND PANDALE
* UNTIL 1100 PM CDT
* AT 755 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
FLASH FLOODING FROM A LINE OF THUNDERSTORMS FROM 10 MILES EAST OF
CARTA VALLEY TO LOMA ALTA TO JUNO TO PANDALE WITH ANOTHER LINE
OF STORMS FROM JUNO TO 20 MILES NORTHEAST OF JUNO. THE LINES OF
STORMS PRODUCING FLASH FLOODING WERE NEARLY STATIONARY. RAINFALL
RATES OF 1 TO 3 INCHES PER HOUR WERE NOTED.
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.
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 2996 10172 2964 10009 3007 10003 3027 9978
3026 10174
$$2 follow-up statements
000
WGUS74 KEWX 260244 CCA
FFSSAT
TXC137-465-260400-
FLASH FLOOD STATEMENT...CORRECTED WATCH SHOULD READ WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
941 PM CDT SUN APR 25 2004
...A FLASH FLOOD WARNING CONTINUES UNTIL 11 PM CDT FOR EDWARDS AND
VAL VERDE COUNTY...
AT 940 PM...A BAND OF SHOWERS AND THUNDERSTORMS PERSISTS ALONG A
VANDERPOOL TO BARKSDALE TO CARTA VALLEY TO PANDALE LINE. THIS BAND
OF PRECIPITATION WILL MOVE VERY LITTLE.
NATIONAL WEATHER DOPPLER RADAR INDICATES RAINFALL AMOUNTS OF 3 TO 6
INCHES IN THE VAL VERDE COUNTY PORTION AND 1 TO 4 INCHES IN THE
EDWARDS COUNTY PORTION.
ADDITIONAL RAINFALL OF 1 TO 3 INCHES IS POSSIBLE...ESPECIALLY IN
VAL VERDE COUNTY.
RISES CAN BE EXPECTED ALONG THE PECOS...DEVILS AND DRY DEVILS RIVERS
IN VAL VERDE COUNTY AND THE WEST NUECES RIVER IN EDWARDS COUNTY.
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER
LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT
QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
LAT...LON 2996 10172 2964 10009 3007 10003 3027 9978
3026 10174
$$000
WGUS74 KEWX 260319
FFSSAT
TXC137-465-260400-
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1020 PM CDT SUN APR 25 2004
...A FLASH FLOOD WARNING CONTINUES UNTIL 11 PM CDT FOR EDWARDS AND
VAL VERDE COUNTY...
AT 1020 PM...SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WILL MOVE
VERY LITTLE. ADDITIONAL RAINFALL AMOUNTS UP TO ONE INCH CAN BE
EXPECTED BETWEEN COMSTOCK AND JUNO WITH LESS THAN ONE QUARTER INCH
ELSEWHERE.
NATIONAL WEATHER DOPPLER RADAR INDICATES RAINFALL AMOUNTS OF 3 TO
NEAR 7 INCHES IN THE VAL VERDE COUNTY PORTION AND 1 TO 4 INCHES IN
THE EDWARDS COUNTY PORTION.
RISES CAN BE EXPECTED ALONG THE PECOS...DEVILS AND DRY DEVILS RIVERS
IN VAL VERDE COUNTY AND THE WEST NUECES RIVER IN EDWARDS COUNTY.
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.
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 2996 10172 2964 10009 3007 10003 3027 9978
3026 10174
$$The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 25, 7:05 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 55 min |
| Apr 25, 7:40 PM CDT | Severe Thunderstorm Warning | EWX | Edwards | 35 min |
| Apr 25, 7:49 PM CDT | Severe Thunderstorm Warning | EWX | Uvalde | 41 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.