Alert archive / Texas / Flash Flood Warnings in 2002
Flash Flood Warning 242, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Oct 9, 2002, 4:57 AM CDT for 4 counties in 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
- Oct 9, 2002, 4:57 AM CDT (09:57 UTC)
- Expired
- Oct 9, 2002, 7:00 AM CDT
- In force
- 2 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
Counties Caldwell County, TX, Gonzales County, TX, Guadalupe County, TX, Wilson County, TX
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 10.0 hours before the alert went out and 204 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
- 1970 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 957 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 109 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 5.8
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS54 KEWX 090957
FFWSAT
TXC055-177-187-493-091200-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
454 AM CDT WED OCT 9 2002
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
CALDWELL
GUADALUPE
GONZALES
WILSON
* UNTIL 700 AM CDT
* AT 455 AM...WEATHER SERVICE DOPPLER RADAR INDICATED HEAVY RAIN
MOVING EASTWARD FROM GUADALUPE AND WILSON COUNTIES INTO GONZALES AND
CALDWELL COUNTIES. ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO INCHES
IS POSSIBLE OVER THE NEXT COUPLE HOURS. HEAVY RAINS HAVE PUSH
GERONIMO CREEK IN GUADALUPE COUNTY IS OUT OF ITS BANKS.
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 2963 9818 2947 9807 2905 9816 2936 9763
2950 9728 2988 97561 follow-up statement
000 WGUS74 KEWX 091159 FFSSAT TXC055-177-187-493-091300- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 700 AM CDT WED OCT 9 2002 ...THE FLASH FLOOD WARNING FOR CALDWELL...GUADALUPE...GONZALES AND WILSON COUNTIES HAS BEEN CANCELLED... NATIONAL WEATHER SERVICE RADAR INDICATED THE RAINFALL WAS ENDING ACROSS THE WARNED AREA...AND THE FLOOD THREAT WAS DIMINISHING. SOME MINOR FLOODING MAY CONTINUE...BUT THE THREAT OF SERIOUS FLOODING HAS ENDED...AND THE FLASH FLOOD WARNING HAS BEEN CANCELLED. A FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THE AFTERNOON.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 8, 8:00 PM CDT | Flash Flood Warning | EWX | Guadalupe | 4 hr |
| Oct 8, 8:47 PM CDT | Flash Flood Warning | EWX | Atascosa, Wilson | 3 hr |
| Oct 8, 9:22 PM CDT | Severe Thunderstorm Warning | EWX | Atascosa, Wilson | 53 min |
| Oct 8, 9:32 PM CDT | Flash Flood Warning | EWX | Caldwell | 4 hr |
| Oct 8, 10:32 PM CDT | Flash Flood Warning | EWX | Bexar | 3 hr |
| Oct 8, 10:59 PM CDT | Flash Flood Warning | EWX | Kinney, Val Verde | 3 hr |
| Oct 8, 11:51 PM CDT | Flash Flood Warning | EWX | Guadalupe | 114 min |
| Oct 9, 1:02 AM CDT | Flash Flood Warning | EWX | Bandera, Bexar, Kinney, Maverick, Medina, Real and 1 more | 4 hr |
| Oct 9, 1:27 AM CDT | Flash Flood Warning | EWX | Bastrop, Caldwell, Fayette, Gonzales, Guadalupe, Wilson | 4 hr |
| Oct 9, 3:17 AM CDT | Flash Flood Warning | EWX | Atascosa | 3 hr |
| Oct 9, 10:16 AM CDT | Flash Flood Warning | EWX | Frio, Zavala | 3 hr |
Nearby
Flash Flood Warnings in Texas, 2002Every flash flood warning in 2002
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.