Alert archive / Texas / Flash Flood Watches in 2012

Flash Flood Watch 2, NWS Austin/San Antonio, TX

February 17, 201225 counties in Texas

NWS Austin/San Antonio, TX issued this flash flood watch at Feb 17, 2012, 4:02 AM CST for 25 counties in Texas. It took effect at Feb 17, 2012, 6:00 PM CST. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Feb 17, 2012, 4:02 AM CST (10:02 UTC)
In effect from
Feb 17, 2012, 6:00 PM CST
Expired
Feb 18, 2012, 5:13 AM CST
In force
11 hr
Issued by
NWS Austin/San Antonio, TX
Flood severity
None
All 25 counties

Atascosa County, TX, Bandera County, TX, Bastrop County, TX, Bexar County, TX, Blanco County, TX, Burnet County, TX, Caldwell County, TX, Comal County, TX, DeWitt County, TX, Fayette County, TX, Frio County, TX, Gillespie County, TX, Gonzales County, TX, Guadalupe County, TX, Hays County, TX, Karnes County, TX, Kendall County, TX, Kerr County, TX, Lavaca County, TX, Lee County, TX, Llano County, TX, Medina County, TX, Travis County, TX, Williamson County, TX, Wilson County, TX

The radar

The Austin/San Antonio radar (KEWX), 14 km from the middle of the area, began a volume at 10:06 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 00:00Z, 10.0 hours before the alert went out and 242 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.

Skew-T log-pSkew-T log-p diagram, Corpus Christi, TX at 00:00Z on 2012-02-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 27 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Corpus Christi, TX at 00:00Z on 2012-02-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 101 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
27 J/kg
Mixed-layer CIN
-112 J/kg
Mixed-layer LCL
603 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
101 m²/s²
0-3 km storm-relative helicity
159 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

888 
WGUS64 KEWX 171002
FFAEWX

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
402 AM CST FRI FEB 17 2012

...FLASH FLOOD WATCH IN EFFECT FROM THIS EVENING THROUGH SATURDAY
MORNING...

.A STRONG UPPER LEVEL STORM SYSTEM WILL MOVE EAST ACROSS TEXAS
LATE TONIGHT INTO SATURDAY. AT THE SAME TIME...A SURFACE LOW WILL
DEVELOP ALONG THE TEXAS COASTAL BEND AND THEN MOVE EAST ALONG THE
GULF COAST. THESE FEATURES WILL INTERACT WITH AN UNSEASONABLY
MOIST AIRMASS TO PRODUCE LOCALLY HEAVY RAINS ACROSS THE EASTERN
PARTS OF SOUTH CENTRAL TEXAS. WITH SOILS REMAINING MOSTLY
SATURATED FROM THE WINTER RAINS...RUNOFF WILL BE RAPID LEADING TO
FLASH FLOODING.

TXC013-021-029-055-091-123-149-163-177-187-209-255-285-287-325-
453-491-493-171815-
/O.NEW.KEWX.FF.A.0002.120218T0000Z-120218T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ATASCOSA-BASTROP-BEXAR-CALDWELL-COMAL-DEWITT-FAYETTE-FRIO-
GONZALES-GUADALUPE-HAYS-KARNES-LAVACA-LEE-MEDINA-TRAVIS-
WILLIAMSON-WILSON-
INCLUDING THE CITIES OF...PLEASANTON...BASTROP...SAN ANTONIO...
LOCKHART...NEW BRAUNFELS...CUERO...LA GRANGE...PEARSALL...
GONZALES...SEGUIN...SAN MARCOS...KARNES CITY...HALLETTSVILLE...
GIDDINGS...HONDO...AUSTIN...GEORGETOWN...FLORESVILLE
402 AM CST FRI FEB 17 2012

...FLASH FLOOD WATCH IN EFFECT FROM THIS EVENING THROUGH SATURDAY
MORNING...

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WATCH FOR THE FOLLOWING COUNTIES IN SOUTH CENTRAL 
  TEXAS...ATASCOSA...BASTROP...BEXAR...CALDWELL...COMAL... 
  DEWITT...FAYETTE...FRIO...GONZALES...GUADALUPE...HAYS... 
  KARNES...LAVACA...LEE...MEDINA...TRAVIS...WILLIAMSON AND 
  WILSON. 

* FROM THIS EVENING THROUGH SATURDAY MORNING

* A STRONG UPPER LEVEL STORM SYSTEM WILL MOVE EAST ACROSS TEXAS
  LATE TONIGHT INTO SATURDAY. AT THE SAME TIME...A SURFACE LOW
  WILL DEVELOP ALONG THE TEXAS COASTAL BEND AND THEN MOVE EAST
  ALONG THE GULF COAST. THESE FEATURES WILL INTERACT WITH AN
  UNSEASONABLY MOIST AIRMASS TO PRODUCE LOCALLY HEAVY RAINS
  ACROSS THE EASTERN PARTS OF SOUTH CENTRAL TEXAS. WITH SOILS
  REMAINING MOSTLY SATURATED FROM THE WINTER RAINS...RUNOFF WILL
  BE RAPID LEADING TO FLASH FLOODING. RAINFALL AMOUNTS OF 1 TO 3
  INCHES CAN BE EXPECTED WITH ISOLATED TOTALS NEAR 5 INCHES.

* THE HEAVY RAINS EXPECTED MAY PRODUCE RISES ON AREA RIVERS AND
  STREAMS WITH THE GREATEST THREAT OVER THE LOWER GUADALUPE...SAN
  ANTONIO AND LAVACA NAVIDAD RIVER BASINS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS FLASH FLOODING IS POSSIBLE IN OR NEAR
THE WATCH AREA. IF YOU ARE IN THE WATCH AREA...PLAN NOW FOR WHAT
YOU WILL DO IF FLASH FLOODING DEVELOPS. STAY INFORMED AND BE
READY TO ACT IF YOU SEE FLOODING OR IF A FLASH FLOOD WARNING IS
ISSUED.

&&

$$
5 follow-up statements
676 
WGUS64 KEWX 171800
FFAEWX

FLOOD WATCH
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1200 PM CST FRI FEB 17 2012

...FLASH FLOOD WATCH IN EFFECT FROM THIS EVENING THROUGH SATURDAY
MORNING...

.A STRONG UPPER LEVEL STORM SYSTEM WILL MOVE EAST ACROSS TEXAS
LATE TONIGHT INTO SATURDAY. AT THE SAME TIME...A SURFACE LOW WILL
DEVELOP ALONG THE TEXAS COASTAL BEND AND THEN MOVE EAST ALONG THE
GULF COAST. THESE FEATURES WILL INTERACT WITH AN UNSEASONABLY
MOIST AIRMASS TO PRODUCE LOCALLY HEAVY RAINS ACROSS THE EASTERN
PARTS OF SOUTH CENTRAL TEXAS. WITH SOILS REMAINING MOSTLY
SATURATED FROM THE WINTER RAINS...RUNOFF WILL BE RAPID LEADING TO
FLASH FLOODING.

TXC013-021-029-055-091-123-149-163-177-187-209-255-285-287-325-
453-491-493-180200-
/O.CON.KEWX.FF.A.0002.120218T0000Z-120218T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ATASCOSA-BASTROP-BEXAR-CALDWELL-COMAL-DEWITT-FAYETTE-FRIO-
GONZALES-GUADALUPE-HAYS-KARNES-LAVACA-LEE-MEDINA-TRAVIS-
WILLIAMSON-WILSON-
INCLUDING THE CITIES OF...PLEASANTON...BASTROP...SAN ANTONIO...
LOCKHART...NEW BRAUNFELS...CUERO...LA GRANGE...PEARSALL...
GONZALES...SEGUIN...SAN MARCOS...KARNES CITY...HALLETTSVILLE...
GIDDINGS...HONDO...AUSTIN...GEORGETOWN...FLORESVILLE
1200 PM CST FRI FEB 17 2012

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 6 PM CST THIS EVENING
THROUGH SATURDAY MORNING...

THE FLASH FLOOD WATCH CONTINUES FOR

* THE FOLLOWING COUNTIES IN SOUTH CENTRAL TEXAS...ATASCOSA... 
  BASTROP...BEXAR...CALDWELL...COMAL...DEWITT...FAYETTE...FRIO...
   GONZALES...GUADALUPE...HAYS...KARNES...LAVACA...LEE...
  MEDINA... TRAVIS...WILLIAMSON AND WILSON. 

* FROM 6 PM CST THIS EVENING THROUGH SATURDAY MORNING

* A STRONG UPPER LEVEL STORM SYSTEM WILL MOVE EAST ACROSS TEXAS 
  LATE TONIGHT INTO SATURDAY. AT THE SAME TIME...A SURFACE LOW 
  WILL DEVELOP ALONG THE TEXAS COASTAL BEND AND THEN MOVE EAST 
  ALONG THE GULF COAST. THESE FEATURES WILL INTERACT WITH AN 
  UNSEASONABLY MOIST AIRMASS TO PRODUCE LOCALLY HEAVY RAINS 
  ACROSS THE EASTERN PARTS OF SOUTH CENTRAL TEXAS. WITH SOILS 
  REMAINING MOSTLY SATURATED FROM THE WINTER RAINS...RUNOFF WILL 
  BE RAPID LEADING TO FLASH FLOODING. RAINFALL AMOUNTS OF 1 TO 3 
  INCHES CAN BE EXPECTED WITH ISOLATED TOTALS NEAR 5 INCHES. 

* THE HEAVY RAINS EXPECTED MAY PRODUCE RISES ON AREA RIVERS AND 
  STREAMS WITH THE GREATEST THREAT OVER THE LOWER GUADALUPE... 
  SAN ANTONIO AND LAVACA NAVIDAD RIVER BASINS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS FLASH FLOODING IS POSSIBLE IN OR NEAR
THE WATCH AREA. IF YOU ARE IN THE WATCH AREA...PLAN NOW FOR WHAT
YOU WILL DO IF FLASH FLOODING DEVELOPS. STAY INFORMED AND BE
READY TO ACT IF YOU SEE FLOODING OR IF A FLASH FLOOD WARNING IS
ISSUED.

&&

$$
394 
WGUS64 KEWX 172133
FFAEWX

FLOOD WATCH
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
333 PM CST FRI FEB 17 2012

...FLASH FLOOD WATCH IN EFFECT FROM THIS EVENING THROUGH SATURDAY
MORNING...

.A STRONG UPPER LEVEL STORM SYSTEM LOCATED OVER NORTHERN MEXICO WILL
CONTINUE TO MOVE EASTWARD THIS AFTERNOON AND CROSS TEXAS LATE
TONIGHT INTO SATURDAY. AT THE SAME TIME...A SURFACE LOW WILL
DEVELOP ALONG THE TEXAS COASTAL BEND AND THEN MOVE EAST ALONG THE
GULF COAST. THESE FEATURES WILL INTERACT WITH AN UNSEASONABLY
MOIST AIRMASS TO PRODUCE LOCALLY HEAVY RAINS ACROSS THE EASTERN
PARTS OF SOUTH CENTRAL TEXAS. WITH SOILS REMAINING MOSTLY
SATURATED FROM THE WINTER RAINS...RUNOFF WILL BE RAPID LEADING TO
FLASH FLOODING.

TXC013-021-029-055-091-123-149-163-177-187-209-255-285-287-325-
453-491-493-180800-
/O.CON.KEWX.FF.A.0002.120218T0000Z-120218T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ATASCOSA-BASTROP-BEXAR-CALDWELL-COMAL-DEWITT-FAYETTE-FRIO-
GONZALES-GUADALUPE-HAYS-KARNES-LAVACA-LEE-MEDINA-TRAVIS-
WILLIAMSON-WILSON-
INCLUDING THE CITIES OF...PLEASANTON...BASTROP...SAN ANTONIO...
LOCKHART...NEW BRAUNFELS...CUERO...LA GRANGE...PEARSALL...
GONZALES...SEGUIN...SAN MARCOS...KARNES CITY...HALLETTSVILLE...
GIDDINGS...HONDO...AUSTIN...GEORGETOWN...FLORESVILLE
333 PM CST FRI FEB 17 2012

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 6 PM CST THIS EVENING
THROUGH SATURDAY MORNING...

THE FLASH FLOOD WATCH CONTINUES FOR

* THE FOLLOWING COUNTIES IN SOUTH CENTRAL TEXAS...ATASCOSA... 
  BASTROP...BEXAR...CALDWELL...COMAL...DEWITT...FAYETTE...FRIO...
   GONZALES...GUADALUPE...HAYS...KARNES...LAVACA...LEE...
  MEDINA... TRAVIS...WILLIAMSON AND WILSON. 

* FROM 6 PM CST THIS EVENING THROUGH SATURDAY MORNING

* A STRONG UPPER LEVEL STORM SYSTEM LOCATED OVER NORTHERN MEXICO
  WILL CONTINUE TO MOVE EASTWARD THIS AFTERNOON AND CROSS TEXAS
  LATE TONIGHT INTO SATURDAY. AT THE SAME TIME...A SURFACE LOW
  WILL DEVELOP ALONG THE TEXAS COASTAL BEND AND THEN MOVE EAST
  ALONG THE GULF COAST. THESE FEATURES WILL INTERACT WITH AN
  UNSEASONABLY MOIST AIRMASS TO PRODUCE LOCALLY HEAVY RAINS ACROSS
  THE EASTERN PARTS OF SOUTH CENTRAL TEXAS. WITH SOILS REMAINING
  MOSTLY SATURATED FROM THE WINTER RAINS...RUNOFF WILL BE RAPID
  LEADING TO FLASH FLOODING. RAINFALL AMOUNTS OF 1 TO 3 INCHES CAN
  BE EXPECTED WITH ISOLATED TOTALS NEAR 5 INCHES.

* THE HEAVY RAINS EXPECTED MAY PRODUCE RISES ON AREA RIVERS AND
  STREAMS WITH THE GREATEST THREAT OVER THE LOWER GUADALUPE... SAN
  ANTONIO...SAN MARCOS...COLORADO AND LAVACA NAVIDAD RIVER BASINS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS FLASH FLOODING IS POSSIBLE IN OR NEAR
THE WATCH AREA. IF YOU ARE IN THE WATCH AREA...PLAN NOW FOR WHAT
YOU WILL DO IF FLASH FLOODING DEVELOPS. STAY INFORMED AND BE
READY TO ACT IF YOU SEE FLOODING OR IF A FLASH FLOOD WARNING IS
ISSUED.

&&

$$
127 
WGUS64 KEWX 180218
FFAEWX

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
818 PM CST FRI FEB 17 2012

...FLASH FLOOD WATCH IN EFFECT FROM THIS EVENING THROUGH SATURDAY
MORNING...

.A STRONG UPPER LEVEL STORM SYSTEM OVER NORTHERN MEXICO NEAR THE
BIG BEND THIS EVENING WILL MOVE ACROSS SOUTH CENTRAL TEXAS ON
SATURDAY MORNING AND TO EASTERN TEXAS LATE IN THE DAY ON SATURDAY.
AT THE SAME TIME...A SURFACE LOW WILL DEVELOP NEAR THE TEXAS
COASTAL BEND AND MOVE EAST ALONG THE GULF COAST. THESE FEATURES...
ALONG WITH AN UNSEASONABLY MOIST AIRMASS...WILL PRODUCE LOCALLY
HEAVY RAINS ACROSS THE EASTERN PARTS OF SOUTH CENTRAL TEXAS.
WITH SOILS REMAINING MOSTLY SATURATED FROM THE WINTER RAINS...
RUNOFF WILL BE RAPID LEADING TO FLASH FLOODING.

TXC013-021-029-055-091-123-149-163-177-187-209-255-285-287-325-
453-491-493-181000-
/O.EXT.KEWX.FF.A.0002.000000T0000Z-120218T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ATASCOSA-BASTROP-BEXAR-CALDWELL-COMAL-DEWITT-FAYETTE-FRIO-
GONZALES-GUADALUPE-HAYS-KARNES-LAVACA-LEE-MEDINA-TRAVIS-
WILLIAMSON-WILSON-
INCLUDING THE CITIES OF...PLEASANTON...BASTROP...SAN ANTONIO...
LOCKHART...NEW BRAUNFELS...CUERO...LA GRANGE...PEARSALL...
GONZALES...SEGUIN...SAN MARCOS...KARNES CITY...HALLETTSVILLE...
GIDDINGS...HONDO...AUSTIN...GEORGETOWN...FLORESVILLE
818 PM CST FRI FEB 17 2012

...FLASH FLOOD WATCH NOW IN EFFECT THROUGH SATURDAY MORNING...

THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR

* THE FOLLOWING COUNTIES IN SOUTH CENTRAL TEXAS...ATASCOSA...
  BASTROP...BEXAR...CALDWELL...COMAL...DEWITT...FAYETTE...FRIO...
  GONZALES...GUADALUPE...HAYS...KARNES...LAVACA...LEE...
  MEDINA... TRAVIS...WILLIAMSON AND WILSON.

* THROUGH SATURDAY MORNING

* A STRONG UPPER LEVEL STORM SYSTEM OVER NORTHERN MEXICO NEAR THE
  BIG BEND THIS EVENING WILL MOVE ACROSS SOUTH CENTRAL TEXAS ON
  SATURDAY MORNING AND TO EASTERN TEXAS LATE IN THE DAY ON
  SATURDAY. AT THE SAME TIME...A SURFACE LOW WILL DEVELOP NEAR THE
  TEXAS COASTAL BEND AND MOVE EAST ALONG THE GULF COAST. THESE
  FEATURES... ALONG WITH AN UNSEASONABLY MOIST AIRMASS...WILL
  PRODUCE LOCALLY HEAVY RAINS ACROSS THE EASTERN PARTS OF SOUTH
  CENTRAL TEXAS. WITH SOILS REMAINING MOSTLY SATURATED FROM THE
  WINTER RAINS... RUNOFF WILL BE RAPID LEADING TO FLASH FLOODING.
  RAINFALL AMOUNTS OF 1 TO 3 INCHES CAN BE EXPECTED WITH ISOLATED
  TOTALS NEAR 5 INCHES.

* THE HEAVY RAINS EXPECTED MAY PRODUCE RISES ON AREA RIVERS AND 
  STREAMS WITH THE GREATEST THREAT OVER THE LOWER GUADALUPE... 
  SAN ANTONIO...SAN MARCOS...COLORADO AND LAVACA NAVIDAD RIVER 
  BASINS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS FLASH FLOODING IS POSSIBLE IN OR NEAR
THE WATCH AREA. IF YOU ARE IN THE WATCH AREA...PLAN NOW FOR WHAT
YOU WILL DO IF FLASH FLOODING DEVELOPS. STAY INFORMED AND BE
READY TO ACT IF YOU SEE FLOODING OR IF A FLASH FLOOD WARNING IS
ISSUED.

&&

$$
954 
WGUS64 KEWX 180510
FFAEWX

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1110 PM CST FRI FEB 17 2012

...FLASH FLOOD WATCH IN EFFECT FROM THIS EVENING THROUGH SATURDAY
MORNING...

.A STRONG UPPER LEVEL STORM SYSTEM OVER NORTHERN MEXICO NEAR THE
BIG BEND WILL MOVE ACROSS SOUTH CENTRAL TEXAS ON SATURDAY MORNING
AND TO EASTERN TEXAS LATE IN THE DAY ON SATURDAY. AT THE SAME
TIME...A SURFACE LOW WILL DEVELOP NEAR THE TEXAS COASTAL BEND AND
MOVE EAST ALONG THE GULF COAST. THESE FEATURES...ALONG WITH AN
UNSEASONABLY MOIST AIRMASS...WILL PRODUCE LOCALLY HEAVY RAINS
ACROSS THE EASTERN PARTS OF SOUTH CENTRAL TEXAS. WITH SOILS
REMAINING MOSTLY SATURATED FROM THE WINTER RAINS...RUNOFF WILL BE
RAPID LEADING TO FLASH FLOODING.

TXC019-031-053-171-259-265-299-181315-
/O.EXA.KEWX.FF.A.0002.000000T0000Z-120218T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BANDERA-BLANCO-BURNET-GILLESPIE-KENDALL-KERR-LLANO-
INCLUDING THE CITIES OF...BANDERA...BLANCO...BURNET...
FREDERICKSBURG...BOERNE...KERRVILLE...LLANO
1110 PM CST FRI FEB 17 2012

...FLASH FLOOD WATCH IN EFFECT THROUGH SATURDAY MORNING...

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS EXPANDED
THE

* FLASH FLOOD WATCH TO INCLUDE THE FOLLOWING COUNTIES IN SOUTH 
  CENTRAL TEXAS...BANDERA...BLANCO...BURNET...GILLESPIE... 
  KENDALL...KERR AND LLANO. 

* THROUGH SATURDAY MORNING

* A STRONG UPPER LEVEL STORM SYSTEM OVER NORTHERN MEXICO NEAR THE
  BIG BEND WILL MOVE ACROSS SOUTH CENTRAL TEXAS ON SATURDAY
  MORNING AND TO EASTERN TEXAS LATE IN THE DAY ON SATURDAY. AT THE
  SAME TIME...A SURFACE LOW WILL DEVELOP NEAR THE TEXAS COASTAL
  BEND AND MOVE EAST ALONG THE GULF COAST. THESE FEATURES... ALONG
  WITH AN UNSEASONABLY MOIST AIRMASS... WILL PRODUCE LOCALLY HEAVY
  RAINS ACROSS THE EASTERN PARTS OF SOUTH CENTRAL TEXAS. WITH
  SOILS REMAINING MOSTLY SATURATED FROM THE WINTER RAINS... RUNOFF
  WILL BE RAPID LEADING TO FLASH FLOODING. RAINFALL AMOUNTS OF 1
  TO 3 INCHES CAN BE EXPECTED WITH ISOLATED TOTALS NEAR 5 INCHES.

* THE HEAVY RAINS EXPECTED MAY PRODUCE RISES ON AREA RIVERS AND 
  STREAMS WITH THE GREATEST THREAT OVER THE LOWER GUADALUPE... 
  SAN ANTONIO...SAN MARCOS...COLORADO AND LAVACA NAVIDAD RIVER 
  BASINS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS FLASH FLOODING IS POSSIBLE IN OR NEAR
THE WATCH AREA. IF YOU ARE IN THE WATCH AREA...PLAN NOW FOR WHAT
YOU WILL DO IF FLASH FLOODING DEVELOPS. STAY INFORMED AND BE
READY TO ACT IF YOU SEE FLOODING OR IF A FLASH FLOOD WARNING IS
ISSUED.

&&

$$

TXC013-021-029-055-091-123-149-163-177-187-209-255-285-287-325-
453-491-493-181315-
/O.CON.KEWX.FF.A.0002.000000T0000Z-120218T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ATASCOSA-BASTROP-BEXAR-CALDWELL-COMAL-DEWITT-FAYETTE-FRIO-
GONZALES-GUADALUPE-HAYS-KARNES-LAVACA-LEE-MEDINA-TRAVIS-
WILLIAMSON-WILSON-
INCLUDING THE CITIES OF...PLEASANTON...BASTROP...SAN ANTONIO...
LOCKHART...NEW BRAUNFELS...CUERO...LA GRANGE...PEARSALL...
GONZALES...SEGUIN...SAN MARCOS...KARNES CITY...HALLETTSVILLE...
GIDDINGS...HONDO...AUSTIN...GEORGETOWN...FLORESVILLE
1110 PM CST FRI FEB 17 2012

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH SATURDAY MORNING...

THE FLASH FLOOD WATCH CONTINUES FOR

* THE FOLLOWING COUNTIES IN SOUTH CENTRAL TEXAS...ATASCOSA...
  BASTROP...BEXAR...CALDWELL...COMAL...DEWITT...FAYETTE...FRIO...
  GONZALES...GUADALUPE...HAYS...KARNES...LAVACA...LEE...
  MEDINA... TRAVIS...WILLIAMSON AND WILSON.

* THROUGH SATURDAY MORNING

* A STRONG UPPER LEVEL STORM SYSTEM OVER NORTHERN MEXICO NEAR THE
  BIG BEND WILL MOVE ACROSS SOUTH CENTRAL TEXAS ON SATURDAY
  MORNING AND TO EASTERN TEXAS LATE IN THE DAY ON SATURDAY. AT THE
  SAME TIME...A SURFACE LOW WILL DEVELOP NEAR THE TEXAS COASTAL
  BEND AND MOVE EAST ALONG THE GULF COAST. THESE FEATURES...ALONG
  WITH AN UNSEASONABLY MOIST AIRMASS... WILL PRODUCE LOCALLY HEAVY
  RAINS ACROSS THE EASTERN PARTS OF SOUTH CENTRAL TEXAS. WITH
  SOILS REMAINING MOSTLY SATURATED FROM THE WINTER RAINS... RUNOFF
  WILL BE RAPID LEADING TO FLASH FLOODING. RAINFALL AMOUNTS OF 1
  TO 3 INCHES CAN BE EXPECTED WITH ISOLATED TOTALS NEAR 5 INCHES.

* THE HEAVY RAINS EXPECTED MAY PRODUCE RISES ON AREA RIVERS AND 
  STREAMS WITH THE GREATEST THREAT OVER THE LOWER GUADALUPE... 
  SAN ANTONIO...SAN MARCOS...COLORADO AND LAVACA NAVIDAD RIVER 
  BASINS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS FLASH FLOODING IS POSSIBLE IN OR NEAR
THE WATCH AREA. IF YOU ARE IN THE WATCH AREA...PLAN NOW FOR WHAT
YOU WILL DO IF FLASH FLOODING DEVELOPS. STAY INFORMED AND BE
READY TO ACT IF YOU SEE FLOODING OR IF A FLASH FLOOD WARNING IS
ISSUED.

&&

$$
459 
WGUS64 KEWX 181113
FFAEWX

FLOOD WATCH
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
513 AM CST SAT FEB 18 2012

...FLASH FLOOD WATCH IS CANCELLED...

.THE THREAT OF WIDESPREAD HEAVY RAINS CAUSING ADDITIONAL FLASH
FLOODING HAS MOVED EAST OF SOUTH CENTRAL TEXAS. SCATTERED TO
NUMEROUS SHOWERS AND ISOLATED THUNDERSTORMS WILL LINGER THIS
MORNING INTO THIS AFTERNOON AS AN UPPER LEVEL STORM SYSTEM MOVES
ACROSS THE AREA. SOME SPOTS MAY HAVE A BRIEF HEAVY DOWNPOUR. 

TXC013-019-021-029-031-053-055-091-123-149-163-171-177-187-209-
255-259-265-285-287-299-325-453-491-493-181215-
/O.CAN.KEWX.FF.A.0002.000000T0000Z-120218T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ATASCOSA-BANDERA-BASTROP-BEXAR-BLANCO-BURNET-CALDWELL-COMAL-
DEWITT-FAYETTE-FRIO-GILLESPIE-GONZALES-GUADALUPE-HAYS-KARNES-
KENDALL-KERR-LAVACA-LEE-LLANO-MEDINA-TRAVIS-WILLIAMSON-WILSON-
INCLUDING THE CITIES OF...PLEASANTON...BANDERA...BASTROP...
SAN ANTONIO...BLANCO...BURNET...LOCKHART...NEW BRAUNFELS...
CUERO...LA GRANGE...PEARSALL...FREDERICKSBURG...GONZALES...
SEGUIN...SAN MARCOS...KARNES CITY...BOERNE...KERRVILLE...
HALLETTSVILLE...GIDDINGS...LLANO...HONDO...AUSTIN...GEORGETOWN...
FLORESVILLE
513 AM CST SAT FEB 18 2012

...FLASH FLOOD WATCH IS CANCELLED...

THE FLASH FLOOD WATCH FOR THE FOLLOWING COUNTIES IN SOUTH CENTRAL
TEXAS HAS BEEN CANCELLED. ATASCOSA...BANDERA...BASTROP...BEXAR...
BLANCO...BURNET...CALDWELL...COMAL...DEWITT...FAYETTE...FRIO...
GILLESPIE...GONZALES...GUADALUPE...HAYS...KARNES...KENDALL...KERR
...LAVACA...LEE...LLANO...MEDINA...TRAVIS...WILLIAMSON...WILSON.

SOME RIVERS...CREEKS AND STREAMS MAY SEE RISES FOR THE NEXT FEW
HOURS DUE TO EARLIER HEAVY RAINS. 

$$

Nearby

Flash Flood Watches in Texas, 2012Every flash flood watch 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.