Alert archive / Texas / Flash Flood Warnings in 2004
Flash Flood Warning 151, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jun 23, 2004, 8:59 PM CDT for Frio County, Medina 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, 8:59 PM CDT (01:59 UTC)
- Expired
- Jun 23, 2004, 11:00 PM CDT
- In force
- 2 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
Counties Frio County, TX, Medina County, TX
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 2.0 hours before the alert went out and 169 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
- 939 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 1244 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -43 m²/s²
- 0-3 km storm-relative helicity
- -15 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 240203
FFWSAT
TXC163-325-240400-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
859 PM CDT WED JUN 23 2004
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
MEDINA
FRIO
* UNTIL 1100 PM CDT
* AT 858 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
FLASH FLOODING FROM A THUNDERSTORM 7 MILES NORTHEAST OF YANCEY...OR
ABOUT 11 MILES SOUTHEAST OF HONDO...MOVING SOUTHEAST AT 15 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE RIO MEDINA...PEARSALL...
NATALIA...MOORE...FRIO TOWN...DHANIS...DEVINE...CASTROVILLE AND
BIG FOOT.
THUNDERSTORMS FROM NORTH OF HONDO TO BIG FOOT AND PEARSALL WERE
PRODUCING RAINFALL RATES OF 1 TO 2 INCHES PER HOUR.
EXCESSIVE RUNOFF FROM THESE STORMS 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.
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 2868 9938 2868 9886 2959 9884 2951 9890
2960 9938
$$2 follow-up statements
000
WGUS74 KEWX 240313
FFSSAT
TXC163-325-240400-
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1002 PM CDT WED JUN 23 2004
...A FLASH FLOOD WARNING CONTINUES UNTIL 1100 PM CDT FOR FRIO AND
MEDINA COUNTIES...
AT 956 PM CDT...SHOWERS AND THUNDERSTORMS FROM YANCEY AND NATALIA
SOUTH TO NEAR HINDES WERE DIMINISHING SLOWLY WHILE MOVING SOUTH AT
15 MPH. HOWEVER...THE SHOWERS AND THUNDERSTORMS WERE STILL
PRODUCING RAINFALL RATES OF 1 TO 1.5 INCHES PER HOUR.
LOCAL LAW ENFORCEMENT OFFICIALS REPORTED WATER OVER HIGHWAY 173 IN
MEDINA COUNTY SEVEN MILES NORTH OF HONDO. WATER WAS ALSO REPORTED
OVER HIGHWAY 140 EAST AT FM 472 IN EASTERN FRIO COUNTY.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.
LAT...LON 2868 9938 2868 9886 2959 9884 2951 9890
2960 9938
$$000
WGUS74 KEWX 240456
FFSSAT
TXC163-325-240500-
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1154 PM CDT WED JUN 23 2004
...A FLASH FLOOD WARNING CONTINUES UNTIL MIDNIGHT CDT FOR FRIO AND
MEDINA COUNTIES...
AT 1152 PM CDT...SHOWERS AND THUNDERSTORMS HAD MOVED SOUTH AND
OUT OF THE AREA. HOWEVER...LOW WATER CROSSINGS MAY REMAIN
FLOODED IN SOME AREAS.
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 TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
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 2868 9938 2868 9886 2959 9884 2951 9890
2960 9938
$$The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 24, 5:03 PM CDT | Flash Flood Warning | EWX | Uvalde | 3 hr |
| Jun 24, 5:37 PM CDT | Flash Flood Warning | EWX | Bexar | 2 hr |
| Jun 24, 6:20 PM CDT | Flash Flood Warning | EWX | DeWitt, Lavaca | 115 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.