Alert archive / Texas / Flash Flood Warnings in 2007
Flash Flood Warning 10, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Nov 18, 2007, 2:39 AM CST for Fayette County, Texas. It was in force for 3 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
- Nov 18, 2007, 2:39 AM CST (08:39 UTC)
- Expired
- Nov 18, 2007, 5:45 AM CST
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Flood severity
- None
County Fayette County, TX
The radar
The Ft Hood radar (KGRK), 96 km from the middle of the area, began a volume at 08:41 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, 8.7 hours before the alert went out and 254 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
- 1832 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 585 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 98 m²/s²
- 0-3 km storm-relative helicity
- 80 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 3.7
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS54 KEWX 180841
FFWEWX
TXC149-181145-
/O.NEW.KEWX.FF.W.0010.071118T0839Z-071118T1145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
239 AM CST SUN NOV 18 2007
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
FAYETTE COUNTY...
* UNTIL 545 AM CST.
* AT 236 AM CST...THE NATIONAL WEATHER SERVICE HAS DETERMINED THAT
RAINFALL ESTIMATES FROM DOPPLER RADAR INDICATE FLASH FLOODING
FROM A THUNDERSTORM OVER FAYETTE COUNTY.
* LOCATIONS IN THE WARNING AREA INCLUDE ROUND TOP.
WHEN WATER COVERS THE ROAD...TURN AROUND DONT DROWN. THE LIFE YOU
SAVE MAY BE YOUR OWN.
LAT...LON 2971 9723 2979 9732 3004 9704 3016 9678
3014 9666 3008 9663 3007 9664 3005 9662
3004 9662
TIME...MOT...LOC 0839Z 180DEG 0KT 2995 9704
$$1 follow-up statement
000
WGUS74 KEWX 181123
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
522 AM CST SUN NOV 18 2007
TXC149-181145-
/O.CON.KEWX.FF.W.0010.000000T0000Z-071118T1145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FAYETTE TX-
522 AM CST SUN NOV 18 2007
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 545 AM CST FOR
FAYETTE COUNTY...
AT 518 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
INDICATE THE POTENTIAL FOR FLASH FLOODING FROM SHOWERS AND
THUNDERSTORMS OVER EASTERN FAYETTE COUNTY.
LOCATIONS IN THE WARNING AREA INCLUDE ROUND TOP.
WHEN WATER COVERS THE ROAD...TURN AROUND DONT DROWN. THE LIFE YOU
SAVE MAY BE YOUR OWN.
LAT...LON 2971 9723 2979 9732 3004 9704 3016 9678
3014 9666 3008 9663 3007 9664 3005 9662
3004 9662
TIME...MOT...LOC 1122Z 180DEG 0KT 2995 9704
$$The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 17, 6:35 PM CST | Tornado Warning | EWX | Gonzales | 25 min |
| Nov 17, 7:01 PM CST | Flash Flood Warning | EWX | Gonzales | 9 hr |
| Nov 17, 9:00 PM CST | Flash Flood Warning | EWX | Fayette | 7 hr |
| Nov 17, 11:19 PM CST | Dense Fog Advisory | EWX | Atascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 23 more | 11 hr |
| Nov 18, 6:02 AM CST | Flash Flood Warning | EWX | Fayette | 3 hr |
| Nov 18, 6:15 AM CST | Flash Flood Warning | EWX | Bastrop | 3 hr |
Nearby
Flash Flood Warnings in Texas, 2007Every flash flood warning in 2007
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.