Alert archive / Texas / Flash Flood Warnings in 2003
Flash Flood Warning 76, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Sep 3, 2003, 1:21 PM CDT for DeWitt County, Fayette County, Lavaca 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
- Sep 3, 2003, 1:21 PM CDT (18:21 UTC)
- Expired
- Sep 3, 2003, 4:15 PM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
Counties DeWitt County, TX, Fayette County, TX, Lavaca County, TX
The radar
The Austin/San Antonio radar (KEWX), 90 km from the middle of the area, began a volume at 18:22 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 6.4 hours before the alert went out and 190 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
- 2682 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 614 m above ground
- 0-6 km bulk shear
- 1 kt
- 0-1 km storm-relative helicity
- -18 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 031823
FFWSAT
TXC123-149-285-032115-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
121 PM CDT WED SEP 3 2003
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
FAYETTE
LAVACA
DEWITT
* UNTIL 415 PM CDT
* AT 121 PM...WEATHER SERVICE DOPPLER RADAR INDICATED NUMEROUS
THUNDERSTORMS OVER THE WARNED AREA...MOVING NORTHEAST AT 5 MPH.
THESE SLOW MOVING THUNDERSTORMS WILL PRODUCE HEAVY RAINFALL
AMOUNTS OF 2 TO 3 INCHES OVER AREAS THAT ARE ALREADY SATURATED
FROM PREVIOUS RAINS.
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.
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 2900 9772 2884 9757 2895 9742 2933 9676
2945 9673 2963 9689 2998 9663 3013 9684
2980 9726 2963 9713 2940 9719
$$1 follow-up statement
000 WGUS74 KEWX 031917 FFSSAT TXC123-149-285-032115- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 217 PM CDT WED SEP 3 2003 ...A FLASH FLOOD WARNING CONTINUES FOR FAYETTE...LAVACA AND DEWITT COUNTIES UNTIL 415 PM CDT... AT 217 PM...DOPPLER RADAR INDICATED NUMEROUS SLOW MOVING THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL ACROSS THE WARNED AREA. RADAR ESTIMATES SUGGESTS OVER 3 INCHES OF RAIN HAS ALREADY FALLEN OVER WESTERN AND SOUTHEASTERN DEWITT COUNTY...WESTERN LAVACA COUNTY...AND EASTERN FAYETTE COUNTY. SOILS WERE ALREADY SATURATED FROM PREVIOUS HEAVY RAINS...SO THIS ADDITIONAL HEAVY RAINFALL WILL QUICKLY BECOME RUNOFF. THROUGH 3 PM...THE THREAT OF FLASH FLOODING IS BE CONCENTRATED AROUND THE COMMUNITIES NORDHEIM...YORKTOWN...YOAKUM...HALLETSVILLE... SCHULENBURG...AND LAGRANGE. TRAVEL IN THESE AREAS IS DISCOURAGED. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST WEATHER INFORMATION. $$
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 3, 11:54 AM CDT | Flash Flood Warning | EWX | Atascosa, Karnes, Wilson | 3 hr |
| Sep 3, 12:56 PM CDT | Flash Flood Warning | EWX | Bexar | 3 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; radar from the NEXRAD Level II archive.