Alert archive / Texas / Flash Flood Warnings in 2002
Flash Flood Warning 239, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Oct 9, 2002, 1:02 AM CDT for 7 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, 1:02 AM CDT (06:02 UTC)
- Expired
- Oct 9, 2002, 5:00 AM CDT
- In force
- 4 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
Counties Bandera County, TX, Bexar County, TX, Kinney County, TX, Maverick County, TX, Medina County, TX, Real County, TX, Uvalde County, TX
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 6.0 hours before the alert went out and 114 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
- 1904 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 764 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 71 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 3.7
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS54 KEWX 090602
FFWSAT
TXC019-029-271-323-325-385-463-091000-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
102 AM CDT WED OCT 9 2002
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
REAL
BANDERA
BEXAR
MEDINA
UVALDE
KINNEY
MAVERICK
* UNTIL 500 AM CDT
* AT 102 AM...WEATHER SERVICE DOPPLER RADAR INDICATED NUMEROUS
THUNDERSTORMS...WITH VERY HEAVY RAINFALL...MOVING NORTHEAST AT 20
MPH ACROSS WESTERN SECTIONS OF SOUTH CENTRAL TEXAS.
THUNDERSTORMS ARE ESPECIALLY INTENSE ALONG THE BALCONES ESCARPMENT
AND OVER THE WESTERN HILL COUNTRY. THIS AREA OF THUNDERSTORMS WILL
LIKELY RESULT IN ANOTHER 2 TO 4 INCHES OF RAIN TO ADD TO THE ALREADY
SATURATED SOILS OVER THE WARNED AREA. FLASH FLOODING WILL OCCUR
RAPIDLY AND RESULT IN MODERATE FLOODING OF LARGER CREEKS AND STREAMS.
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.
LAT...LON 2938 10066 2882 10051 2912 10012 2911 9887
2931 9882 2944 9839 2969 9885 2989 9973
2960 10005The 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, 1:27 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, 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.