Alert archive / Texas / Flash Flood Warnings in 2002
Flash Flood Warning 186, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jul 17, 2002, 3:11 PM CDT for Bandera County, Medina County, Texas. It was in force for 109 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 17, 2002, 3:11 PM CDT (20:11 UTC)
- Expired
- Jul 17, 2002, 5:00 PM CDT
- In force
- 109 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
Counties Bandera County, TX, Medina County, TX
The radar
The Laughlin AFB radar (KDFX), 101 km from the middle of the area, began a volume at 20:14 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
Del Rio, TX (KDRT), launched 12:00Z, 8.2 hours before the alert went out and 152 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
- 919 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 568 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- -20 m²/s²
- 0-3 km storm-relative helicity
- 39 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 172011
FFWSAT
TXC019-325-172200-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
310 PM CDT WED JUL 17 2002
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
BANDERA
MEDINA
* UNTIL 500 PM CDT
* AT 306 PM...WEATHER SERVICE DOPPLER RADAR INDICATED SHOWERS AND
THUNDERSTORMS WITH HEAVY RAIN MOVING NORTH NEAR 30 MPH ACROSS
MEDINA COUNTY INTO EASTERN BANDERA.
SCATTERED SHOWERS AND THUNDERSTORMS WITH HEAVY RAIN WILL PRODUCE
RAINFALL AMOUNTS OF 1 TO 2 INCHES OVER THE NEXT COUPLE HOURS. CREEKS
AND STREAMS WILL RISE RAPIDLY. 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 2913 9940 2912 9884 2974 9895 2987 9917
2989 9954 2967 9959 2965 9938The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 16, 7:01 PM CDT | Flash Flood Warning | EWX | Caldwell, Comal, Hays | 3 hr |
| Jul 17, 12:09 PM CDT | Flash Flood Warning | EWX | Caldwell, Guadalupe, Hays, Travis | 3 hr |
| Jul 17, 12:45 PM CDT | Flash Flood Warning | EWX | Williamson | 2 hr |
| Jul 17, 1:25 PM CDT | Flash Flood Warning | EWX | Comal | 110 min |
| Jul 17, 2:22 PM CDT | Flash Flood Warning | EWX | Bexar, Blanco, Kendall | 3 hr |
| Jul 17, 5:04 PM CDT | Flash Flood Warning | EWX | Bexar, Kendall | 3 hr |
| Jul 17, 5:24 PM CDT | Flash Flood Warning | EWX | Comal | 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; radar from the NEXRAD Level II archive.