Alert archive / Texas / Flash Flood Warnings in 2012
Flash Flood Warning 20, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Mar 19, 2012, 11:03 PM CDT for 8 counties in Texas. It was in force for 3 hr. 11 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
- Mar 19, 2012, 11:03 PM CDT (04:03 UTC)
- Expired
- Mar 20, 2012, 2:00 AM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Flood severity
- None
Counties Bandera County, TX, Blanco County, TX, Burnet County, TX, Gillespie County, TX, Kendall County, TX, Kerr County, TX, Llano County, TX, Real County, TX
The radar
The Austin/San Antonio radar (KEWX), 118 km from the middle of the area, began a volume at 04:05 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 |
|---|---|---|---|
| Mar 19, 11:20 PM CDT | FLASH FLOOD | Ingram, TX | HIGHWAY 39 FROM INGRAM TO HUNT CLOSED DUE TO WATER OVER THE ROAD...AND SEVERAL OTHER LOW WATER CROSSING CLOSED IN THE COUNTY. |
| Mar 20, 12:01 AM CDT | FLASH FLOOD | 7 S Kerrville, TX | FM2771 CLOSED DUE TO FLOODED LOW WATER CROSSINGS |
| Mar 20, 12:15 AM CDT | FLASH FLOOD | 10 Ssw Kerrville, TX | SH16 CLOSED SOUTH OF FM1273 DUE TO FLOODED LOW WATER CROSSINGS |
| Mar 20, 12:30 AM CDT | FLASH FLOOD | 8 Nw Marble Falls, TX | FM2342 CLOSED FROM PR4 SOUTH TO CAMP BUCKNER DUE TO FLOODED LOW WATER CROSSINGS |
| Mar 20, 1:10 AM CDT | FLASH FLOOD | 9 N Burnet, TX | FM2340 CLOSED EAST OF US281 DUE TO FLOODED LOW WATER CROSSINGS |
| Mar 20, 1:30 AM CDT | FLASH FLOOD | 2 S Marble Falls, TX | FM2147 CLOSED FROM US281 EAST DUE TO FLOODED LOW WATER CROSSING |
| Mar 20, 1:32 AM CDT | FLASH FLOOD | 1 N Bertram, TX | FM1174 CLOSED FROM SH29 NORTH DUE TO FLOODED LOW WATER CROSSINGS |
| Mar 20, 1:41 AM CDT | FLASH FLOOD | 2 Nne Burnet, TX | FM963 CLOSED FROM BURNET NORTH TO BETHEL DUE TO FLOODED LOW WATER CROSSINGS |
| Mar 20, 1:42 AM CDT | FLASH FLOOD | 2 Ne Bertram, TX | FM243 CLOSED FROM SH29 TO US183 DUE TO FLOODED LOW WATER CROSSING |
| Mar 20, 1:55 AM CDT | FLASH FLOOD | 10 Sw Llano, TX | FM2323 CLOSED DUE TO FLOODED LOW WATER CROSSINGS BETWEEN FLAG CREEK AND HICKORY CREEK |
| Mar 20, 2:00 AM CDT | FLASH FLOOD | 5 Nne Burnet, TX | NUMEROUS RAODS IN BURNET CLOSED INCLUDING HIGHWAY 120 AND 963. |
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, 4.1 hours before the alert went out and 245 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
- 1142 J/kg
- Mixed-layer CIN
- -180 J/kg
- Mixed-layer LCL
- 2280 m above ground
- 0-6 km bulk shear
- 72 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 170 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
224
WGUS54 KEWX 200403
FFWEWX
TXC019-031-053-171-259-265-299-385-200700-
/O.NEW.KEWX.FF.W.0020.120320T0403Z-120320T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1103 PM CDT MON MAR 19 2012
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHERN BANDERA COUNTY...
NORTHWESTERN BLANCO COUNTY...
BURNET COUNTY...
GILLESPIE COUNTY...
WESTERN KENDALL COUNTY...
KERR COUNTY...
LLANO COUNTY...
EAST CENTRAL REAL COUNTY...
* UNTIL 200 AM CDT.
* AT 1058 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS HAVE
DETERMINED THAT RADAR RAINFALL ESTIMATES INDICATE FLASH FLOODING
RAINS FROM THUNDERSTORMS ACROSS THE WARNED AREA.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
BERTRAM...BUCHANAN DAM...BURNET...COMFORT...FREDERICKSBURG...
KERRVILLE...KINGSLAND...LLANO...MARBLE FALLS...ROUND MOUNTAIN...
ALBERT...BABY HEAD...BANKERSMITH...BLOWOUT...BLUFFTON...
BLUMENTHAL...BRIGGS...CAIN CITY...CAMP VERDE...CASTELL...CENTER
POINT...CHERRY SPRING...CRABAPPLE...CYPRESS CREEK...DOSS...
ECKERT...ENCHANTED ROCK STATION...FIELD CREEK...GAINESVILLE AND
GRANITE SHOALS.
HEAVY RAINFALL REPORTS IN EXCESS OF 3 INCHES HAVE ALREADY BEEN
REPORTED IN PARTS OF THE WARNED AREA. TRAINING OF THUNDERSTORMS ARE
EXPECTED THROUGH AT LEAST 1 AM...WITH AN ADDITIONAL 2 TO 3 INCHES
OF RAIN POSSIBLE.
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 3103 9789 3092 9782 3081 9797 2975 9886
2989 9921 2990 9978 3030 9948 3030 9931
3051 9930 3051 9897 3093 9896 3093 9843
3095 9846 3103 9844
$$1 follow-up statement
651
WGUS74 KEWX 200445
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1145 PM CDT MON MAR 19 2012
TXC019-031-053-171-259-265-299-385-200700-
/O.CON.KEWX.FF.W.0020.000000T0000Z-120320T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GILLESPIE TX-KENDALL TX-KERR TX-LLANO TX-REAL TX-BURNET TX-BLANCO TX-
BANDERA TX-
1145 PM CDT MON MAR 19 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 200 AM CDT FOR
NORTHERN BANDERA...NORTHWESTERN BLANCO...BURNET...EAST CENTRAL
REAL...LLANO...KERR...WESTERN KENDALL AND GILLESPIE COUNTIES...
AT 1136 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A THUNDERSTORM PRODUCING FLASH FLOODING OVER THE WARNED AREA.
KERR COUNTY LAW ENFORCEMENT HAS ALREADY RELAYED SEVERAL ROADS THAT
HAVE BEEN CLOSED OR ARE IMPASSABLE...INCLUDING HIGHWAY 39 BETWEEN
INGRAM AND HUNT...TOWN CREEK ROAD...3RD AND 1ST STREET IN
KERRVILLE...GOAT CREEK ROAD...INDIAN CREEK ROAD...AND BEAR CREEK
ROAD.
BASED ON RADAR AND SURFACE REPORTS TO 2 TO 4 INCHES IN THE WARNED
AREA...FLOODED LOW WATER CROSSINGS LIKELY EXTEND NORTH FROM KERR
COUNTY AND INTO MOST OF GILLESPIE COUNTY...SOUTHEASTERN LLANO
COUNTY...AND MUCH OF BURNET COUNTY. WITH HEAVY RAIN PRODUCING
THUNDERSTORMS EXPECTED TO PRODUCE AN ADDITIONAL 1 TO 3 INCHES
THROUGH 1 AM...ADDITIONAL ROAD CLOSURES AND THE FLOODING OF LARGER
CREEKS AND STREAMS IS LIKELY OVER THE NEXT FEW HOURS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IT IS HARD TO RECOGNIZE THE DANGERS OF FLOODING AT NIGHT. IF FLOOD
WATERS RISE ACT QUICKLY. DO NOT STAY IN FLOOD PRONE AREAS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT TUESDAY MORNING
FOR SOUTH CENTRAL TEXAS.
&&
LAT...LON 3103 9789 3092 9782 3081 9797 2975 9886
2989 9921 2990 9978 3030 9948 3030 9931
3051 9930 3051 9897 3093 9896 3093 9843
3095 9846 3103 9844
$$The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 19, 7:17 PM CDT | Severe Thunderstorm Warning | EWX | Atascosa, Frio | 58 min |
| Mar 19, 7:29 PM CDT | Severe Thunderstorm Warning | EWX | Edwards, Kerr, Real | 46 min |
| Mar 19, 7:35 PM CDT | Severe Thunderstorm Warning | EWX | Bandera, Kerr, Real | 55 min |
| Mar 19, 7:37 PM CDT | Severe Thunderstorm Warning | EWX | Uvalde | 53 min |
| Mar 19, 7:42 PM CDT | Severe Thunderstorm Warning | EWX | Gillespie | 29 min |
| Mar 19, 7:44 PM CDT | Tornado Warning | EWX | Atascosa, Medina | 31 min |
| Mar 19, 8:02 PM CDT | Tornado Warning | EWX | Bandera, Kerr | 43 min |
| Mar 19, 8:02 PM CDT | Tornado Warning | EWX | Atascosa, Bexar, Medina | 48 min |
| Mar 19, 8:07 PM CDT | Tornado Warning | EWX | Atascosa, Frio | 53 min |
| Mar 19, 8:25 PM CDT | Severe Thunderstorm Warning | EWX | Bandera, Medina, Real, Uvalde | 65 min |
| Mar 19, 8:29 PM CDT | Severe Thunderstorm Warning | EWX | Real, Uvalde | 61 min |
| Mar 19, 8:39 PM CDT | Severe Thunderstorm Warning | EWX | Gillespie, Kendall, Kerr | 66 min |
| Mar 19, 8:56 PM CDT | Tornado Warning | EWX | Atascosa, Bexar | 22 min |
| Mar 19, 9:07 PM CDT | Severe Thunderstorm Warning | EWX | Kinney, Uvalde | 53 min |
| Mar 19, 9:13 PM CDT | Areal Flood Warning | EWX | Bandera, Gillespie, Kerr, Real, Uvalde | 10 min |
| Mar 19, 9:23 PM CDT | Flash Flood Warning | EWX | Bandera, Gillespie, Kerr, Real, Uvalde | 3 hr |
| Mar 19, 9:30 PM CDT | Severe Thunderstorm Warning | EWX | Bandera, Kerr, Medina, Uvalde | 60 min |
| Mar 19, 9:31 PM CDT | Severe Thunderstorm Warning | EWX | Kinney, Maverick, Real, Uvalde, Zavala | 59 min |
| Mar 19, 9:59 PM CDT | Severe Thunderstorm Warning | EWX | Bandera, Gillespie, Kendall, Kerr | 61 min |
| Mar 19, 10:31 PM CDT | Severe Thunderstorm Warning | EWX | Blanco, Gillespie | 44 min |
| Mar 19, 10:34 PM CDT | Severe Thunderstorm Warning | EWX | Bandera, Kendall, Kerr | 41 min |
| Mar 19, 10:58 PM CDT | Flash Flood Warning | EWX | Bandera, Kinney, Medina, Real, Uvalde | 4 hr |
| Mar 19, 11:03 PM CDT | Severe Thunderstorm Warning | EWX | Medina, Uvalde | 42 min |
| Mar 19, 11:16 PM CDT | Severe Thunderstorm Warning | EWX | Bandera, Gillespie, Kendall, Kerr, Medina | 44 min |
| Mar 19, 11:39 PM CDT | Severe Thunderstorm Warning | EWX | Medina | 21 min |
| Mar 20, 12:14 AM CDT | Areal Flood Advisory | EWX | Comal, Hays, Kendall, Travis, Williamson | 3 hr |
| Mar 20, 12:20 AM CDT | Areal Flood Advisory | EWX | Atascosa, Bandera, Bexar, Medina | 3 hr |
| Mar 20, 12:28 AM CDT | Areal Flood Advisory | EWX | Dimmit, Maverick, Uvalde, Zavala | 3 hr |
| Mar 20, 1:03 AM CDT | Severe Thunderstorm Warning | EWX | Dimmit, Maverick | 42 min |
| Mar 20, 1:11 AM CDT | River Flood Warning | EWX | Kerr | 8 hr |
| Mar 20, 1:11 AM CDT | River Flood Warning | EWX | Kendall | 8 hr |
| Mar 20, 1:24 AM CDT | Flash Flood Warning | EWX | Atascosa, Bandera, Bexar, Frio, Medina | 3 hr |
| Mar 20, 1:41 AM CDT | Areal Flood Advisory | EWX | Bastrop, Bexar, Caldwell, Comal, Guadalupe, Hays and 4 more | 109 min |
| Mar 20, 1:59 AM CDT | Flash Flood Warning | EWX | Bandera, Bastrop, Bexar, Blanco, Burnet, Caldwell and 7 more | 3 hr |
| Mar 20, 2:16 AM CDT | Areal Flood Advisory | EWX | Atascosa, Frio, Guadalupe, Karnes, Medina, Wilson | 104 min |
| Mar 20, 2:24 AM CDT | Flash Flood Warning | EWX | Bastrop, Caldwell, DeWitt, Fayette, Gonzales, Guadalupe and 3 more | 3 hr |
| Mar 20, 3:09 AM CDT | Flash Flood Warning | EWX | Blanco, Burnet, Gillespie, Llano | 3 hr |
| Mar 20, 3:51 AM CDT | Flash Flood Warning | EWX | DeWitt, Fayette, Gonzales, Karnes, Lavaca, Wilson | 3 hr |
| Mar 20, 4:05 AM CDT | Tornado Warning | EWX | DeWitt, Karnes | 25 min |
| Mar 20, 5:11 AM CDT | Flash Flood Warning | EWX | Bastrop, Blanco, Burnet, Caldwell, Comal, Guadalupe and 4 more | 3 hr |
| Mar 20, 5:29 AM CDT | Flash Flood Warning | EWX | Bastrop, Caldwell, Fayette, Gonzales, Guadalupe, Lee | 2 hr |
| Mar 20, 6:23 AM CDT | River Flood Warning | EWX | Bandera | 4 hr |
| Mar 20, 7:27 AM CDT | River Flood Warning | EWX | Williamson | 3 hr |
| Mar 20, 7:27 AM CDT | River Flood Warning | EWX | Williamson | 13 hr |
| Mar 20, 8:29 AM CDT | River Flood Warning | EWX | Caldwell, Gonzales | 11 hr |
| Mar 20, 8:29 AM CDT | River Flood Warning | EWX | Caldwell, Gonzales | 11 hr |
| Mar 20, 8:29 AM CDT | River Flood Warning | EWX | Gonzales | 36 hr |
| Mar 20, 8:29 AM CDT | River Flood Warning | EWX | DeWitt | 36 hr |
| Mar 20, 10:32 AM CDT | Areal Flood Advisory | EWX | Bastrop | 118 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.