Alert archive / Texas / Flash Flood Warnings in 2003
Flash Flood Warning 26, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at May 27, 2003, 10:56 AM CDT for Val Verde County, Texas. It was in force for 4 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
- May 27, 2003, 10:56 AM CDT (15:56 UTC)
- Expired
- May 27, 2003, 3:00 PM CDT
- In force
- 4 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 12:00Z, 3.9 hours before the alert went out and 72 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
- 1063 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 825 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 7 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 271600
FFWSAT
TXC465-272000-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1056 AM CDT TUE MAY 27 2003
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS EXTENDED THE
* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
VAL VERDE
* UNTIL 300 PM CDT
* AT 1056 AM...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
RAIN FROM EAST OF DEL RIO...ACROSS THE CITY TO NEAR LAKE AMISTAD.
HOURLY RAINFALL RATES ARE UP TO 1.5 INCHES PER HOUR. ADDITIONAL RAINS
ARE EXPECTED INTO THIS AFTERNOON.
THE VAL VERDE COUNTY SHERIFFS DEPARTMENT REPORTED SEVERAL ROADS
CLOSED IN THE WESTERN SECTIONS OF DEL RIO.
EXCESSIVE RUNOFF FROM THE SHOWERS AND THUNDERSTORMS 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.
LOW WATER CROSSINGS AT CREEKS ESPECIALLY IN THE DEL RIO AREA TO
NORTH AND EAST OF COMSTOCK COULD BE FLOODED. 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 3026 10072 2929 10078 2981 10137 2981 10171
3026 10171
$$1 follow-up statement
000 WGUS74 KEWX 271753 FFSSAT TXC465-272000- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1252 PM CDT TUE MAY 27 2003 ...A FLASH FLOOD WARNING CONTINUES FOR VAL VERDE COUNTY UNTIL 300 PM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL CONTINUING FROM LOMA ALTA SOUTH TO DEL RIO TO QUEMADO. THE STORMS ARE MOVING TO THE NORTHWEST AT 25 MPH AND WILL PRODUCE AN ADDITIONAL ONE HALF TO THREE QUARTERS OF AN INCH OF RAIN THROUGH 2 PM. RADAR HAS ESTIMATED 3 TO 5 INCHES OF RAIN FROM THIS STORM OVER WESTERN DEL RIO TO NEAR LAKE AMISTAD. AVOID LOW WATER CROSSINGS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST WEATHER INFORMATION. $$
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 7:55 AM CDT | Flash Flood Warning | EWX | Val Verde | 3 hr |
| May 27, 2:50 PM CDT | Flash Flood Warning | EWX | Val Verde | 4 hr |
Nearby
Flash Flood Warnings in Texas, 2003Every flash flood warning in 2003
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.