Alert archive / Texas / Wind Advisories in 2012

Wind Advisory 8, NWS Austin/San Antonio, TX

December 24, 201233 counties in Texas

NWS Austin/San Antonio, TX issued this wind advisory at Dec 24, 2012, 3:02 PM CST for 33 counties in Texas. It took effect at Dec 25, 2012, 9:00 AM CST. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Dec 24, 2012, 3:02 PM CST (21:02 UTC)
In effect from
Dec 25, 2012, 9:00 AM CST
Expired
Dec 25, 2012, 7:00 PM CST
In force
10 hr
Issued by
NWS Austin/San Antonio, TX
All 33 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, Dimmit County, TX, Edwards 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, Kinney County, TX, Lavaca County, TX, Lee County, TX, Llano County, TX, Maverick County, TX, Medina County, TX, Real County, TX, Travis County, TX, Uvalde County, TX, Val Verde County, TX, Williamson County, TX, Wilson County, TX, Zavala County, TX

The radar

The Austin/San Antonio radar (KEWX), 57 km from the middle of the area, began a volume at 20:59 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

Del Rio, TX (KDRT), launched 12:00Z, 9.0 hours before the alert went out and 218 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, Del Rio, TX at 12:00Z on 2012-12-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Del Rio, TX at 12:00Z on 2012-12-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -48 square meters per square second.1939587897117136Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1876 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
-48 m²/s²
0-3 km storm-relative helicity
35 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

548 
WWUS74 KEWX 242102
NPWEWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
302 PM CST MON DEC 24 2012

...STRONG NORTHWESTERLY FLOW WINDS IN THE WAKE OF A FRONTAL
BOUNDARY TO AFFECT SOUTH CENTRAL TEXAS LATE TUESDAY MORNING
THROUGH 7 CST TUESDAY EVENING...

.AS AN UPPER LOW MOVES EAST AND THEN NORTHEAST TUESDAY AND SURFACE
FRONTAL BOUNDARY PUSHES AWAY FROM OUR AREA LATE TUESDAY MORNING
AND AFTERNOON...DRY AND STABLE CONDITIONS ARE EXPECTED WITH STRONG
NORTHWEST WINDS SPREADING ACROSS SOUTH CENTRAL TEXAS AT 20 TO 30
MPH WITH GUSTS UP TO 40 MPH. THE WINDY AND GUSTY WINDS CONDITIONS
ARE EXPECTED TO SUBSIDE TUESDAY NIGHT CONTINUING THROUGH
WEDNESDAY.

TXZ171>173-183>194-202>209-217>225-228-251015-
/O.NEW.KEWX.WI.Y.0008.121225T1500Z-121226T0100Z/
LLANO-BURNET-WILLIAMSON-VAL VERDE-EDWARDS-REAL-KERR-BANDERA-
GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS-BASTROP-LEE-KINNEY-UVALDE-
MEDINA-BEXAR-COMAL-GUADALUPE-CALDWELL-FAYETTE-MAVERICK-ZAVALA-
FRIO-ATASCOSA-WILSON-KARNES-GONZALES-DE WITT-LAVACA-DIMMIT-
INCLUDING THE CITIES OF...LLANO...BURNET...GEORGETOWN...DEL RIO...
ROCKSPRINGS...LEAKEY...KERRVILLE...BANDERA...FREDERICKSBURG...
BOERNE...BLANCO...SAN MARCOS...AUSTIN...BASTROP...GIDDINGS...
BRACKETTVILLE...UVALDE...HONDO...SAN ANTONIO...NEW BRAUNFELS...
SEGUIN...LOCKHART...LA GRANGE...EAGLE PASS...CRYSTAL CITY...
PEARSALL...PLEASANTON...FLORESVILLE...KARNES CITY...GONZALES...
CUERO...HALLETTSVILLE...CARRIZO SPRINGS
302 PM CST MON DEC 24 2012

...WIND ADVISORY IN EFFECT FROM 9 AM TO 7 PM CST TUESDAY...

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
WIND ADVISORY...WHICH IS IN EFFECT FROM 9 AM TO 7 PM CST TUESDAY.

* TIMING...FROM 9 AM TUESDAY MORNING THROUGH 7 PM TUESDAY EVENING.

* WINDS...NORTHERLY WINDS AT 20 TO 30 MPH WITH GUSTS TO 40 MPH.

* IMPACTS...LIGHT WEIGHT OBJECTS SUCH AS TRASH CANS...PATIO
  FURNITURE AND LAWN DECORATIONS WILL BE BLOWN AROUND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 26 TO 39 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
3 follow-up statements
367 
WWUS74 KEWX 250947
NPWEWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
347 AM CST TUE DEC 25 2012

...COLD FRONT WILL BRING STRONG NORTHWESTERLY WINDS LATER THIS MORNING...

.AS AN UPPER LOW MOVES NORTHEAST TODAY AND PUSHES A COLD FRONT AWAY
FROM OUR AREA DRY AND STABLE CONDITIONS ARE EXPECTED WITH STRONG
NORTHWEST WINDS SPREADING ACROSS SOUTH CENTRAL TEXAS. WINDS WILL
BE 20 TO 30 MPH WITH GUSTS UP TO 40 MPH. THE WINDS ARE EXPECTED
TO DROP BELOW ADVISORY LEVELS TUESDAY NIGHT...BUT REMAIN BREEZY
THROUGH WEDNESDAY MORNING.

TXZ171>173-183>194-202>209-217>225-228-251800-
/O.CON.KEWX.WI.Y.0008.121225T1500Z-121226T0100Z/
LLANO-BURNET-WILLIAMSON-VAL VERDE-EDWARDS-REAL-KERR-BANDERA-
GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS-BASTROP-LEE-KINNEY-UVALDE-
MEDINA-BEXAR-COMAL-GUADALUPE-CALDWELL-FAYETTE-MAVERICK-ZAVALA-
FRIO-ATASCOSA-WILSON-KARNES-GONZALES-DE WITT-LAVACA-DIMMIT-
INCLUDING THE CITIES OF...LLANO...BURNET...GEORGETOWN...DEL RIO...
ROCKSPRINGS...LEAKEY...KERRVILLE...BANDERA...FREDERICKSBURG...
BOERNE...BLANCO...SAN MARCOS...AUSTIN...BASTROP...GIDDINGS...
BRACKETTVILLE...UVALDE...HONDO...SAN ANTONIO...NEW BRAUNFELS...
SEGUIN...LOCKHART...LA GRANGE...EAGLE PASS...CRYSTAL CITY...
PEARSALL...PLEASANTON...FLORESVILLE...KARNES CITY...GONZALES...
CUERO...HALLETTSVILLE...CARRIZO SPRINGS
347 AM CST TUE DEC 25 2012

...WIND ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 7 PM
CST THIS EVENING...

* TIMING...FROM 9 AM THIS MORNING THROUGH 7 PM THIS EVENING.

* WINDS...NORTHWEST WINDS AT 20 TO 30 MPH WITH GUSTS TO 40 MPH.

* IMPACTS...LIGHT WEIGHT OBJECTS SUCH AS TRASH CANS...PATIO 
  FURNITURE AND LAWN DECORATIONS WILL BE BLOWN AROUND. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 26 TO 39 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
119 
WWUS74 KEWX 251747
NPWEWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1147 AM CST TUE DEC 25 2012

...STRONG NORTHWEST WINDS THROUGH 7 PM TODAY...

.STRONG NORTHWEST WINDS WILL CONTINUE THROUGH 7 PM TODAY ACROSS
THE HILL COUNTRY AND SOUTH CENTRAL TEXAS...AS A DRY RIDGE OF HIGH
PRESSURE INCREASES OVER THE AREA. WINDS WILL BE NORTHWEST AT
20 TO 35 MPH...WITH GUSTS UP TO 40 TO 50 MPH. EVEN THOUGH THE
WINDS ARE EXPECTED TO FALL BELOW WIND ADVISORY LEVELS TONIGHT...
BREEZY...DRY AND COLD NORTH WINDS WILL CONTINUE THROUGH
WEDNESDAY MORNING.

TXZ171>173-183>194-202>209-217>225-228-260100-
/O.CON.KEWX.WI.Y.0008.000000T0000Z-121226T0100Z/
LLANO-BURNET-WILLIAMSON-VAL VERDE-EDWARDS-REAL-KERR-BANDERA-
GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS-BASTROP-LEE-KINNEY-UVALDE-
MEDINA-BEXAR-COMAL-GUADALUPE-CALDWELL-FAYETTE-MAVERICK-ZAVALA-
FRIO-ATASCOSA-WILSON-KARNES-GONZALES-DE WITT-LAVACA-DIMMIT-
INCLUDING THE CITIES OF...LLANO...BURNET...GEORGETOWN...DEL RIO...
ROCKSPRINGS...LEAKEY...KERRVILLE...BANDERA...FREDERICKSBURG...
BOERNE...BLANCO...SAN MARCOS...AUSTIN...BASTROP...GIDDINGS...
BRACKETTVILLE...UVALDE...HONDO...SAN ANTONIO...NEW BRAUNFELS...
SEGUIN...LOCKHART...LA GRANGE...EAGLE PASS...CRYSTAL CITY...
PEARSALL...PLEASANTON...FLORESVILLE...KARNES CITY...GONZALES...
CUERO...HALLETTSVILLE...CARRIZO SPRINGS
1147 AM CST TUE DEC 25 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CST THIS EVENING...

* TIMING...FROM 9 AM THIS MORNING THROUGH 7 PM THIS EVENING.

* WINDS...NORTHWEST WINDS AT 20 TO 35 MPH...WITH GUSTS TO 40 TO 50
  MPH.

* IMPACTS...LIGHT WEIGHT OBJECTS SUCH AS TRASH CANS...PATIO 
  FURNITURE AND LAWN DECORATIONS WILL BE BLOWN AROUND. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 26 TO 39 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
649 
WWUS74 KEWX 252152
NPWEWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
352 PM CST TUE DEC 25 2012

...STRONG NORTHWEST WINDS THROUGH 7 PM TODAY...

.STRONG NORTHWEST WINDS WILL CONTINUE THROUGH 7 PM TODAY ACROSS
THE HILL COUNTRY AND SOUTH CENTRAL TEXAS...AS A DRY RIDGE OF
HIGH PRESSURE INCREASES OVER THE AREA. WINDS WILL BE NORTHWEST
AT 20 TO 35 MPH...WITH GUSTS UP TO 40 TO 45 MPH. EVEN THOUGH THE
WINDS ARE EXPECTED TO FALL BELOW WIND ADVISORY LEVELS TONIGHT...
BREEZY...DRY AND COLD NORTH WINDS WILL CONTINUE THROUGH
WEDNESDAY MORNING.

TXZ171>173-183>194-202>209-217>225-228-260100-
/O.CON.KEWX.WI.Y.0008.000000T0000Z-121226T0100Z/
LLANO-BURNET-WILLIAMSON-VAL VERDE-EDWARDS-REAL-KERR-BANDERA-
GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS-BASTROP-LEE-KINNEY-UVALDE-
MEDINA-BEXAR-COMAL-GUADALUPE-CALDWELL-FAYETTE-MAVERICK-ZAVALA-
FRIO-ATASCOSA-WILSON-KARNES-GONZALES-DE WITT-LAVACA-DIMMIT-
INCLUDING THE CITIES OF...LLANO...BURNET...GEORGETOWN...DEL RIO...
ROCKSPRINGS...LEAKEY...KERRVILLE...BANDERA...FREDERICKSBURG...
BOERNE...BLANCO...SAN MARCOS...AUSTIN...BASTROP...GIDDINGS...
BRACKETTVILLE...UVALDE...HONDO...SAN ANTONIO...NEW BRAUNFELS...
SEGUIN...LOCKHART...LA GRANGE...EAGLE PASS...CRYSTAL CITY...
PEARSALL...PLEASANTON...FLORESVILLE...KARNES CITY...GONZALES...
CUERO...HALLETTSVILLE...CARRIZO SPRINGS
352 PM CST TUE DEC 25 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CST THIS EVENING...

* TIMING...FROM 9 AM TODAY THROUGH 7 PM THIS EVENING.

* WINDS...NORTHWEST WINDS AT 20 TO 35 MPH...WITH GUSTS TO 40 TO 45 MPH.

* IMPACTS...LIGHT WEIGHT OBJECTS SUCH AS TRASH CANS...PATIO 
  FURNITURE AND LAWN DECORATIONS WILL BE BLOWN AROUND. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 26 TO 39 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 24, 6:37 AM CSTFire Weather WatchEWXAtascosa, Bandera, Bastrop, Bexar, Blanco, Caldwell and 18 more9 hr
Dec 24, 3:23 PM CSTRed Flag WarningEWXAtascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 27 more28 hr

Nearby

Wind Advisories in Texas, 2012Every wind advisory 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.