Alert archive / Texas / Flash Flood Warnings in 2012
Flash Flood Warning 41, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jul 10, 2012, 7:06 AM CDT for Bastrop County, Travis County, Texas. It was in force for 114 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 10, 2012, 7:06 AM CDT (12:06 UTC)
- Expired
- Jul 10, 2012, 9:00 AM CDT
- In force
- 114 min
- 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), 56 km from the middle of the area, began a volume at 12:07 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 10, 7:36 AM CDT | FLASH FLOOD | 4 Ne Garfield, TX | PUBLIC REPORTS FM 969 TO UPPER ELGIN ROAD IN WEBBERVILLE CLOSED DUE TO FLOODING |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 0.1 hours before the alert went out and 278 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.
130
WGUS54 KEWX 101206
FFWEWX
TXC021-453-101400-
/O.NEW.KEWX.FF.W.0041.120710T1206Z-120710T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
706 AM CDT TUE JUL 10 2012
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CENTRAL BASTROP COUNTY...
EAST CENTRAL TRAVIS COUNTY...
* UNTIL 900 AM CDT.
* AT 701 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS HAVE
DETERMINED THAT RAINFALL ESTIMATES FROM DOPPLER RADAR INDICATE SLOW
MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS EASTERN
TRAVIS COUNTY AND WESTERN BASTROP COUNTY. THE HEAVY RAINFALL
AS INDICATED JUST EAST OF WEBBERVILLE. ADDITIONAL RAINFALL
AMOUNTS OF 1 TO 2 INCHES ARE EXPECTED OVER AREAS THAT ALREADY
RECEIVED 2 TO 4 INCHES OF RAINFALL.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
WYLDWOOD.
FARM ROAD 969 NEAR TRAVIS AND BASTROP COUNTY LINE COULD HAVE WATER
OVER THE ROAD DUE TO EXCESSIVE RAINFALL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WHEN WATER COVERS THE ROAD...TURN AROUND DON'T DROWN. THE LIFE YOU
SAVE MAY BE YOUR OWN.
&&
LAT...LON 3016 9735 3006 9746 3015 9753 3041 9754
3041 9743
$$1 follow-up statement
573
WGUS74 KEWX 101229
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
729 AM CDT TUE JUL 10 2012
TXC021-453-101400-
/O.CON.KEWX.FF.W.0041.000000T0000Z-120710T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TRAVIS TX-BASTROP TX-
729 AM CDT TUE JUL 10 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 900 AM CDT FOR WEST
CENTRAL BASTROP AND EAST CENTRAL TRAVIS COUNTIES...
AT 720 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A CLUSTER OF SHOWERS AND THUNDERSTORMS PRODUCING VERY HEAVY
RAIN OF 1 TO 2 INCHES PER HOUR BETWEEN MANOR...WEBBERVILLE...
WYLDWOOD...PHELAN AND ELGIN. THE ADDITIONAL RAINFALL WILL FALL ON
AREAS THAT HAVE ALREADY RECEIVED HEAVY RAINFALL OVERNIGHT. FARM
ROAD 969 COULD HAVE WATER OVER THE ROAD OR FLOODED LOW WATER
CROSSINGS. MOTORISTS ARE URGED TO USE EXTRA CAUTION.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WHEN WATER COVERS THE ROAD...TURN AROUND DON'T DROWN. THE LIFE YOU
SAVE MAY BE YOUR OWN.
&&
LAT...LON 3016 9735 3006 9746 3015 9753 3041 9754
3041 9743
$$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, 8:53 AM CDT | Flash Flood Warning | EWX | Bastrop, Travis | 3 hr |
| 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.