Alert archive / Texas / Flash Flood Warnings in 2012
Flash Flood Warning 43, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jul 10, 2012, 7:37 PM CDT for 4 counties in Texas. It was in force for 4 hr. 3 reports 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, 7:37 PM CDT (00:37 UTC)
- Expired
- Jul 10, 2012, 11:30 PM CDT
- In force
- 4 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Flood severity
- None
Counties Edwards County, TX, Kinney County, TX, Real County, TX, Uvalde County, TX
The radar
The Laughlin AFB radar (KDFX), 55 km from the middle of the area, began a volume at 00:36 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, 7:55 PM CDT | FLASH FLOOD | Leakey, TX | TWO FEET OF WATER RUSHING ALONG AT THE INTERSECTION OF 337 AND 83 IN LEAKEY |
| Jul 10, 8:30 PM CDT | FLASH FLOOD | 3 S Camp Wood, TX | 2.33 INCHES OF RAIN IN 1 HOUR 15 MINUTES. WATER TO 3 INCHES DEEP COVERED EXTENSIVE PASTURELAND |
| Jul 10, 8:30 PM CDT | FLASH FLOOD | 6 S Camp Wood, TX | 18 INCHES OF WATER FLOWING ACROSS THE ROADWAY ON HIGHWAY 55 |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 0.6 hours before the alert went out and 97 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
- 1033 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 1241 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 80 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
The text
As transmitted, in the capitals the NWS used until 2016.
745
WGUS54 KEWX 110037
FFWEWX
TXC137-271-385-463-110430-
/O.NEW.KEWX.FF.W.0043.120711T0037Z-120711T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
737 PM CDT TUE JUL 10 2012
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTH CENTRAL EDWARDS COUNTY...
NORTHEASTERN KINNEY COUNTY...
SOUTHERN REAL COUNTY...
NORTHWESTERN UVALDE COUNTY...
* UNTIL 1130 PM CDT.
* AT 731 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS HAVE
DETERMINED THAT RAINFALL ESTIMATES FROM DOPPLER RADAR INDICATE SLOW
MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS PARTS OF THE
WESTERN HILL COUNTRY. DOPPLER RADAR ESTIMATES SUGGEST AN AREA OF 2
TO 4 INCH RAINFALL AMOUNTS HAVE FALLEN OVER A SWATH EXTENDING FROM
BARKSDALE TO LEAKEY TO JUST WEST OF LOST MAPLES STATE PARK.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
LEAKEY...BARKSDALE...CAMP WOOD...GARNER STATE PARK...MONTELL...
REAGAN WELLS...RIO FRIO...TUFF AND VANCE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IT IS HARD TO RECOGNIZE THE DANGERS OF FLOODING AT NIGHT. IF FLOOD
WATERS RISE ACT QUICKLY. DO NOT STAY IN FLOOD PRONE AREAS.
&&
LAT...LON 2963 9961 2948 9981 2942 10007 2951 10022
2984 10024 2987 9961
$$1 follow-up statement
410
WGUS74 KEWX 110041
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
741 PM CDT TUE JUL 10 2012
TXC137-271-385-463-110430-
/O.CON.KEWX.FF.W.0043.000000T0000Z-120711T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EDWARDS TX-KINNEY TX-REAL TX-UVALDE TX-
741 PM CDT TUE JUL 10 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT FOR
NORTHWESTERN UVALDE...SOUTHERN REAL...NORTHEASTERN KINNEY AND SOUTH
CENTRAL EDWARDS COUNTIES...
AT 736 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A CLUSTER OF THUNDERSTORMS PRODUCING VERY HEAVY RAIN OVER
PARTS OF THE WESTERN HILL COUNTRY.
LOCATIONS IN THE WARNING AREA INCLUDE TUFF...VANCE...RIO
FRIO...LEAKEY...CAMP WOOD AND BARKSDALE. DOPPLER RADAR ESTIMATES
SUGGEST THAT AN AREA OF 2 TO 4 INCH RAINFALL AMOUNTS HAVE FALLEN
OVER A SWATH EXTENDING FROM BARKSDALE TO LEAKEY TO JUST WEST OF LOST
MAPLES STATE PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IT IS HARD TO RECOGNIZE THE DANGERS OF FLOODING AT NIGHT. IF FLOOD
WATERS RISE ACT QUICKLY. DO NOT STAY IN FLOOD PRONE AREAS.
&&
LAT...LON 2963 9961 2948 9981 2942 10007 2951 10022
2984 10024 2987 9961
$$The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 7:02 PM CDT | Areal Flood Advisory | EWX | Edwards, Kinney, Val Verde | 3 hr |
| Jul 10, 7:13 PM CDT | Areal Flood Advisory | EWX | Williamson | 107 min |
| Jul 10, 8:50 PM CDT | Areal Flood Advisory | EWX | Travis, Williamson | 2 hr |
| Jul 10, 9:29 PM CDT | Flash Flood Warning | EWX | Travis | 3 hr |
| Jul 10, 9:36 PM CDT | Areal Flood Advisory | EWX | Blanco, Hays | 3 hr |
| Jul 11, 2:00 AM CDT | Areal Flood Advisory | EWX | Gonzales, Guadalupe, Wilson | 3 hr |
| Jul 11, 6:05 AM CDT | Areal Flood Advisory | EWX | DeWitt, Gonzales, Wilson | 3 hr |
| Jul 11, 6:59 AM CDT | Areal Flood Advisory | EWX | Bexar, Comal, Guadalupe, Wilson | 2 hr |
| Jul 11, 8:16 AM CDT | Flash Flood Warning | EWX | Bexar | 3 hr |
| Jul 11, 3:19 PM CDT | Areal Flood Advisory | EWX | Atascosa, Bastrop, Bexar, Caldwell, Comal, Guadalupe and 4 more | 4 hr |
| Jul 11, 4:00 PM CDT | Areal Flood Advisory | EWX | Dimmit, Maverick, Zavala | 3 hr |
| Jul 11, 4:38 PM CDT | Flash Flood Warning | EWX | Bexar, Comal, Guadalupe | 4 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.