Alert archive / Texas / Flash Flood Warnings in 2004
Flash Flood Warning 328, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Oct 13, 2004, 10:47 PM CDT for Comal County, Guadalupe County, Texas. It was in force for 118 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
- Oct 13, 2004, 10:47 PM CDT (03:47 UTC)
- Expired
- Oct 14, 2004, 12:45 AM CDT
- In force
- 118 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
Counties Comal County, TX, Guadalupe County, TX
The radar
The Austin/San Antonio radar (KEWX), 2 km from the middle of the area, began a volume at 03:47 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 00:00Z, 3.8 hours before the alert went out and 228 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
- 837 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 1187 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 151 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 3.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS54 KEWX 140349
FFWSAT
TXC091-187-140545-
/X.NEW.KEWX.FF.W.0029.041014T0347Z-041014T0545Z/
/0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1047 PM CDT WED OCT 13 2004
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
COMAL
GUADALUPE
* UNTIL 1245 AM CDT
* AT 1042 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR
INDICATED VERY HEAVY RAIN FROM A SMALL CLUSTER OF THUNDERSTORMS
OVER THE WARNED AREA. 3-HOUR RAINFALL TOTALS OF AROUND 3 INCHES
CAN BE EXPECTED OVER THIS AREA.
* LOCATIONS IN THE WARNING INCLUDE NEW BRAUNFELS...GERONIMO...AND
ZORN.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND. DO NOT STAY IN FLOOD PRONE AREAS.
LAT...LON 2979 9826 2972 9832 2965 9821 2959 9795
2951 9778 2965 9766 2971 9776 2981 9789
2976 9799
$$The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 13, 10:16 PM CDT | Severe Thunderstorm Warning | EWX | Llano | 59 min |
| Oct 13, 11:10 PM CDT | Severe Thunderstorm Warning | EWX | Burnet | 50 min |
| Oct 13, 11:32 PM CDT | Severe Thunderstorm Warning | EWX | Travis, Williamson | 88 min |
| Oct 13, 11:51 PM CDT | Flash Flood Warning | EWX | DeWitt, Fayette, Gonzales, Karnes, Lavaca, Wilson | 4 hr |
| Oct 14, 12:34 AM CDT | Flash Flood Warning | EWX | Bexar, Comal, Guadalupe | 3 hr |
Nearby
Flash Flood Warnings in Texas, 2004Every flash flood warning in 2004
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.