Alert archive / Texas / Flash Flood Warnings in 2012
Flash Flood Warning 33, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at May 10, 2012, 2:49 PM CDT for 5 counties in Texas. It was in force for 3 hr. 4 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
- May 10, 2012, 2:49 PM CDT (19:49 UTC)
- Expired
- May 10, 2012, 6:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Flood severity
- None
Counties Bandera County, TX, Edwards County, TX, Kerr County, TX, Real County, TX, Uvalde County, TX
The radar
The Laughlin AFB radar (KDFX), 96 km from the middle of the area, began a volume at 19:52 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 |
|---|---|---|---|
| May 10, 4:16 PM CDT | FLASH FLOOD | Montell, TX | EMERGENCY MANAGER REPORTS FLOODED WATER CROSSINGS ON ROADS THROUGHOUT UVALDE COUNTY. HWY 55 CLOSED FROM NORTH OF UVALDE TO CAMP WOOD...FM 1051 CLOSED...FM 334 FROM BRACKETTVILLE TO INTERSECTION WITH SH 55...HWY 187 CLOSED FROM SABINAL TO UTOPIA |
| May 10, 5:15 PM CDT | FLASH FLOOD | 2 E Vanderpool, TX | EMERGENCY MANAGEMENT REPORTED ROCK SLIDE DUE TO FLASH FLOODING 2 E OF VANDERPOOL |
| May 10, 5:45 PM CDT | FLASH FLOOD | Leakey, TX | TXDOT REPORTS RM 336 FROM LEAKEY NORTHWARD TO SH 41 IS CLOSED DUE TO FLOODED LOW WATER CROSSINGS |
| May 10, 5:48 PM CDT | FLASH FLOOD | Vanderpool, TX | TXDOT REPORTS WATER OVER ROAD AT VARIOUS LOW WATER CROSSINGS ON HWY 187 FROM VANDERPOOL TO LOST MAPLES STATE PARK |
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 12:00Z, 7.8 hours before the alert went out and 130 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
- 1149 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 663 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 111 m²/s²
- 0-3 km storm-relative helicity
- 185 m²/s²
- Significant tornado parameter
- 1.7
- Supercell composite
- 7.4
The text
As transmitted, in the capitals the NWS used until 2016.
570
WGUS54 KEWX 101949
FFWEWX
TXC019-137-265-385-463-102300-
/O.NEW.KEWX.FF.W.0033.120510T1949Z-120510T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
249 PM CDT THU MAY 10 2012
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
WESTERN BANDERA COUNTY...
EASTERN EDWARDS COUNTY...
WESTERN KERR COUNTY...
REAL COUNTY...
NORTHERN UVALDE COUNTY...
* UNTIL 600 PM CDT.
* AT 246 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS HAVE
DETECTED VERY HEAVY RAINS SETTING UP ACROSS PORTIONS OF THE
HILL COUNTRY IN AN AREA GENERALLY BOUNDED BY LINE FROM MOUNTAIN
HOME TO UTOPIA TO CAMP WOOD TO 10 MILES NORTH OF ROCKSPRINGS.
RAINS WILL MOVE OVER THE SAME AREAS FOR THE NEXT COUPLE OF
HOURS. RAINFALL RATES OF 1 TO 3 INCHES PER HOUR HAVE BEEN
ESTIMATED AND WILL CONTINUE TO OCCUR.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
LEAKEY...VANDERPOOL...BARKSDALE...CAMP WOOD...CONCAN...GARNER STATE
PARK...KERR WILDLIFE MANAGEMENT AREA...LOST MAPLES STATE PARK...
MONTELL...MOUNTAIN HOME...REAGAN WELLS...RIO FRIO...TUFF...UTOPIA
AND VANCE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WHEN WATER COVERS THE ROAD...TURN AROUND DON'T DROWN. THE LIFE YOU
SAVE MAY BE YOUR OWN.
&&
LAT...LON 3029 9931 2962 9944 2949 9942 2948 10007
3029 10025 3030 9998
$$1 follow-up statement
449
WGUS74 KEWX 102143
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
443 PM CDT THU MAY 10 2012
TXC019-137-265-385-463-102300-
/O.CON.KEWX.FF.W.0033.000000T0000Z-120510T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EDWARDS TX-KERR TX-REAL TX-UVALDE TX-BANDERA TX-
443 PM CDT THU MAY 10 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR
WESTERN BANDERA...NORTHERN UVALDE...REAL...WESTERN KERR AND EASTERN
EDWARDS COUNTIES...
AT 440 PM CDT...A BAND OF THUNDERSTORMS CONTINUED MOVING NORTHEAST AROUND
30 MPH FROM NORTHEAST UVALDE COUNTY JUST EAST OF CONCAN TO JUST EAST OF
KERRVILLE.
SEVERAL HIGHWAYS IN UVALDE AND REAL COUNTIES HAVE BEEN EITHER CLOSED
OR INUNDATED DUE TO FLOODING. AMONG THEM...HIGHWAY 55 IN THE CAMP
WOOD AREA REPORTED A FOOT AND A HALF OF WATER OVER THE ROADWAY...
HIGHWAY 334 EAST OF BRACKETVILLE AND HIGHWAY 187 IN THE UTOPIA AREA
ARE BOTH CLOSED DUE TO HIGH WATER.
SMALL STREAMS AND CREEKS WILL FLOOD THE NEXT FEW HOURS...FLOODING
SECONDARY ROADS...LOW BRIDGES AND CROSSINGS. MOTORISTS SHOULD USE
GREAT CARE APPROACHING FLOOD PRONE AREAS AND IN NO CIRCUMSTANCES
ENTER FLOODED CROSSINGS.
LOCATIONS IN THE WARNING AREA INCLUDE MOUNTAIN HOME AND KERR WILDLIFE
MANAGEMENT AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CDT THURSDAY EVENING
FOR SOUTH CENTRAL TEXAS. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN
EFFECT UNTIL 800 PM CDT THURSDAY EVENING FOR SOUTH CENTRAL TEXAS.
&&
LAT...LON 3029 9931 2962 9944 2949 9942 2948 10007
3029 10025 3030 9998
$$The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 5:21 AM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 54 min |
| May 10, 6:12 AM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 63 min |
| May 10, 7:19 AM CDT | Severe Thunderstorm Warning | EWX | Edwards, Val Verde | 44 min |
| May 10, 9:29 AM CDT | Severe Thunderstorm Warning | EWX | Dimmit, Frio, Zavala | 61 min |
| May 10, 10:30 AM CDT | Severe Thunderstorm Warning | EWX | Frio | 60 min |
| May 10, 10:33 AM CDT | Areal Flood Advisory | EWX | Frio | 117 min |
| May 10, 11:17 AM CDT | Severe Thunderstorm Warning | EWX | Atascosa, Frio | 58 min |
| May 10, 11:32 AM CDT | Severe Thunderstorm Warning | EWX | Atascosa, Wilson | 58 min |
| May 10, 12:02 PM CDT | Flash Flood Warning | EWX | Val Verde | 3 hr |
| May 10, 12:14 PM CDT | Severe Thunderstorm Warning | EWX | Atascosa, Frio | 31 min |
| May 10, 12:20 PM CDT | Areal Flood Advisory | EWX | Atascosa, Frio | 2 hr |
| May 10, 12:40 PM CDT | Areal Flood Advisory | EWX | Bandera, Edwards, Kerr, Kinney, Real, Uvalde | 110 min |
| May 10, 1:04 PM CDT | Severe Thunderstorm Warning | EWX | Karnes, Wilson | 56 min |
| May 10, 1:15 PM CDT | Tornado Warning | EWX | Gonzales, Karnes, Wilson | 45 min |
| May 10, 1:42 PM CDT | Tornado Warning | EWX | Atascosa | 33 min |
| May 10, 1:57 PM CDT | Tornado Warning | EWX | DeWitt, Gonzales, Karnes, Wilson | 33 min |
| May 10, 2:19 PM CDT | Flash Flood Warning | EWX | Atascosa, DeWitt, Gonzales, Karnes, Wilson | 3 hr |
| May 10, 2:24 PM CDT | Severe Thunderstorm Warning | EWX | Karnes | 51 min |
| May 10, 2:42 PM CDT | Tornado Warning | EWX | Karnes | 48 min |
| May 10, 3:05 PM CDT | Tornado Warning | EWX | Wilson | 40 min |
| May 10, 3:31 PM CDT | Tornado Warning | EWX | Karnes | 29 min |
| May 10, 3:40 PM CDT | River Flood Warning | EWX | Val Verde | 31 hr |
| May 10, 3:45 PM CDT | Areal Flood Advisory | EWX | DeWitt, Fayette, Gonzales, Lavaca | 105 min |
| May 10, 3:57 PM CDT | Tornado Warning | EWX | DeWitt, Karnes, Wilson | 33 min |
| May 10, 4:39 PM CDT | Flash Flood Warning | EWX | Bandera, Gillespie, Kerr | 81 min |
| May 10, 4:52 PM CDT | Severe Thunderstorm Warning | EWX | DeWitt, Gonzales, Karnes | 29 min |
| May 10, 5:58 PM CDT | Flash Flood Warning | EWX | Bandera, Blanco, Burnet, Edwards, Gillespie, Kendall and 4 more | 3 hr |
| May 10, 5:58 PM CDT | Severe Thunderstorm Warning | EWX | Dimmit, Maverick, Uvalde, Zavala | 47 min |
| May 10, 6:11 PM CDT | Areal Flood Advisory | EWX | DeWitt, Fayette, Karnes, Lavaca | 109 min |
| May 10, 6:41 PM CDT | Severe Thunderstorm Warning | EWX | Dimmit, Frio, Zavala | 49 min |
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.