Alert archive / Texas / Flash Flood Warnings in 2012
Flash Flood Warning 42, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jul 10, 2012, 8:53 AM CDT for Bastrop County, Travis 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
- Jul 10, 2012, 8:53 AM CDT (13:53 UTC)
- Expired
- Jul 10, 2012, 12:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Flood severity
- None
Counties Bastrop County, TX, Travis County, TX
The radar
The Ft Hood radar (KGRK), 53 km from the middle of the area, began a volume at 13:55 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 12:00Z, 1.9 hours before the alert went out and 281 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
- 1787 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 726 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
447
WGUS54 KEWX 101353
FFWEWX
TXC021-453-101700-
/O.NEW.KEWX.FF.W.0042.120710T1353Z-120710T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
853 AM CDT TUE JUL 10 2012
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHWESTERN BASTROP COUNTY...
EAST CENTRAL TRAVIS COUNTY...
* UNTIL NOON CDT.
* AT 850 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS HAVE
DETERMINED THAT RAINFALL ESTIMATES FROM DOPPLER RADAR INDICATE
FLASH FLOODING IN THE VICINITY OF WEBBERVILLE. NEAR 2 INCHES OF
RAIN BAS FALEN IN THE PAST HOUR. ADDITIONAL RAINS OF NEAR 1 INCH
ARE EXPECTED IN THE NEXT HOUR OR SO
* FLASH FLOODING IS EXPECTED TO OCCUR OVER MAINLY RURAL AREAS OF EAST
CENTRAL TRAVIS AND NORTHWESTERN BASTROP COUNTIES...INCLUDING THE
TOWN OF WEBBERVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WHEN WATER COVERS THE ROAD...TURN AROUND DON'T DROWN. THE LIFE YOU
SAVE MAY BE YOUR OWN.
&&
LAT...LON 3027 9741 3018 9745 3019 9754 3031 9751
3029 9744
$$2 follow-up statements
123
WGUS74 KEWX 101452
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
952 AM CDT TUE JUL 10 2012
TXC021-453-101700-
/O.CON.KEWX.FF.W.0042.000000T0000Z-120710T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TRAVIS TX-BASTROP TX-
952 AM CDT TUE JUL 10 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL NOON CDT FOR
NORTHWESTERN BASTROP AND EAST CENTRAL TRAVIS COUNTIES...
AT 950 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT SHOWERS AND THUNDERSTORMS PRODUCING RAINFALL RATES OF AROUND
2 INCHES PER HOUR NEAR WEBBERVILLE. DURING THE PAST HOUR THE TEXAS
DEPARTMENT OF PUBLIC SAFETY REPORTED FLOODING ON FARM TO MARKET ROAD
969 NEAR WEBBERVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WHEN WATER COVERS THE ROAD...TURN AROUND DON'T DROWN. THE LIFE YOU
SAVE MAY BE YOUR OWN.
&&
LAT...LON 3027 9741 3018 9745 3019 9754 3031 9751
3029 9744
$$218
WGUS74 KEWX 101651
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1151 AM CDT TUE JUL 10 2012
TXC021-453-101700-
/O.CON.KEWX.FF.W.0042.000000T0000Z-120710T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TRAVIS TX-BASTROP TX-
1151 AM CDT TUE JUL 10 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL NOON CDT FOR
NORTHWESTERN BASTROP AND EAST CENTRAL TRAVIS COUNTIES...
AT 1150 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED SHOWERS
AND THUNDERSTORMS HAVE DIMINISHED OVER THE WARNED AREA AND THE FLASH
FLOOD WARNING ISSUED EARLIER UNTIL NOON WILL BE ALLOWED TO EXPIRE.
SOME AREAS MAY STILL BE EXPERIENCING SOME MINOR TO MODERATE FLOODING
AS WATERS CONTINUE TO RECEDE. MOTORISTS ARE URGED TO CONTINUE TO
PROCEED WITH CAUTION AND DO NOT DRIVE INTO FLOODED ROADWAYS OR
THROUGH BARRICADES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WHEN WATER COVERS THE ROAD...TURN AROUND DON'T DROWN. THE LIFE YOU
SAVE MAY BE YOUR OWN.
&&
LAT...LON 3027 9741 3018 9745 3019 9754 3031 9751
3029 9744
$$The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 6:44 AM CDT | Areal Flood Advisory | EWX | Bastrop, Travis | 106 min |
| Jul 10, 7:06 AM CDT | Flash Flood Warning | EWX | Bastrop, Travis | 114 min |
| Jul 10, 10:06 AM CDT | Areal Flood Advisory | EWX | Frio, Medina | 114 min |
| Jul 10, 3:53 PM CDT | Areal Flood Advisory | EWX | Medina, Uvalde | 2 hr |
| Jul 10, 6:48 PM CDT | Areal Flood Advisory | EWX | Bandera, Edwards, Real | 2 hr |
Nearby
Flash Flood Warnings in Texas, 2012Every flash flood warning in 2012
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.