Alert archive / Texas / Flash Flood Warnings in 2002
Flash Flood Warning 240, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Oct 9, 2002, 1:27 AM CDT for 6 counties in 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
- Oct 9, 2002, 1:27 AM CDT (06:27 UTC)
- Expired
- Oct 9, 2002, 5:15 AM CDT
- In force
- 4 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
Counties Bastrop County, TX, Caldwell County, TX, Fayette County, TX, Gonzales County, TX, Guadalupe County, TX, Wilson County, TX
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 6.5 hours before the alert went out and 208 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 090627 FFWSAT TXC021-055-149-177-187-493-091015- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 126 AM CDT WED OCT 9 2002 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES... BASTROP FAYETTE CALDWELL GUADALUPE GONZALES WILSON * UNTIL 515 AM CDT * AT 126 AM...WEATHER SERVICE DOPPLER RADAR INDICATED A NEAR SOLID AREA OF THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...MOVING NORTHEAST AT 15 MPH ACROSS THE WARNED AREA. THUNDERSTORMS HAVE BEEN TRAINING OVER THE SAME AREAS FOR THE PAST SEVERAL HOURS AND SHOW NO SIGNS OF WEAKENING. THE FOCUS FOR THE HEAVIEST RAINS CONTINUES ALONG AND 20 MILES EITHER SIDE OF A SAN ANTONIO TO LA GRANGE LINE. DOPPLER RADAR HAS ALREADY ESTIMATED RAIN TOTALS BETWEEN 5 AND 6 INCHES OVER THE WARNED AREA. AN ADDITIONAL 2 TO 4 INCHES WILL BE POSSIBLE OVER THESE SAME AREAS WHICH WILL AGGRAVATE AN ALREADY SERIOUS FLOODING SITUATION. 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 TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. LAT...LON 2921 9830 2912 9823 2984 9682 3036 9732 2959 9822 2944 9809
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, 3:17 AM CDT | Flash Flood Warning | EWX | Atascosa | 3 hr |
| Oct 9, 4:57 AM CDT | Flash Flood Warning | EWX | Caldwell, Gonzales, Guadalupe, Wilson | 2 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.