Alert archive / Texas / Wind Advisories in 2011

Wind Advisory 3, NWS Austin/San Antonio, TX

February 27, 201133 counties in Texas

NWS Austin/San Antonio, TX issued this wind advisory at Feb 27, 2011, 11:42 AM CST for 33 counties in Texas. It took effect at Feb 27, 2011, 12:00 PM CST. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Feb 27, 2011, 11:42 AM CST (17:42 UTC)
In effect from
Feb 27, 2011, 12:00 PM CST
Expired
Feb 28, 2011, 6:00 AM CST
In force
18 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 17:47 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, 5.7 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 2011-02-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 182 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, Del Rio, TX at 12:00Z on 2011-02-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 273 square meters per square second.1939587897117Sfc1 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
182 J/kg
Mixed-layer CIN
-310 J/kg
Mixed-layer LCL
635 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
273 m²/s²
0-3 km storm-relative helicity
269 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

045 
WWUS74 KEWX 271742
NPWEWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1142 AM CST SUN FEB 27 2011

...A WIND ADVISORY IN EFFECT FROM NOON UNTIL MIDNIGHT FOR ALL OF
SOUTH CENTRAL TEXAS AND THE HILL COUNTRY...

.AN INTENSE STORM SYSTEM MOVING OUT OF THE SOUTHERN ROCKIES INTO
WEST TEXAS WAS CREATING A STRONG PRESSURE GRADIENT ACROSS SOUTH
TEXAS TODAY. AS CLOUDS CLEAR FROM THE WEST...VERY STRONG GUSTY
SOUTHERLY WINDS WILL MIX TO THE SURFACE WITH WIND SPEEDS
INCREASING TO 20 TO 30 MPH WITH GUSTS OF 35 TO 40 MPH POSSIBLE
THIS AFTERNOON AND INTO THE EVENING HOURS. A DRY LINE AND COLD
FRONT MOVING IN FROM THE WEST LATER TODAY AND TONIGHT WILL SHIFT
WINDS TO A MORE WESTERLY AND NORTHWEST DIRECTION.   


TXZ171>173-183>194-202>209-217>225-228-280030-
/O.NEW.KEWX.WI.Y.0003.110227T1800Z-110228T0600Z/
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
1142 AM CST SUN FEB 27 2011

...WIND ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
WIND ADVISORY...WHICH IS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. 

SOUTH TO SOUTHWEST WINDS WINDS WILL INCREASE TO 20 TO 30 MPH
ACROSS MUCH OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY THIS
AFTERNOON INTO THE EVENING HOURS. GUSTS TO 35 TO 40 MPH ARE
POSSIBLE...ESPECIALLY ALONG AND EAST OF THE I35 CORRIDOR BETWEEN
SAN ANTONIO TO AUSTIN. WINDS WILL SHIFT TO A WEST AND NORTHWEST 
DIRECTION FROM THE WEST LATER THIS AFTERNOON AND EVENING BEHIND A
DRY LINE AND COLD FRONT.  

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.

&&

$$
4 follow-up statements
501 
WWUS74 KEWX 272037
NPWEWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
237 PM CST SUN FEB 27 2011

...A WIND ADVISORY IN EFFECT FROM THROUGH MIDNIGHT FOR ALL OF
SOUTH CENTRAL TEXAS AND THE HILL COUNTRY...

.AN INTENSE STORM SYSTEM MOVING OUT OF THE SOUTHERN ROCKIES INTO
WEST TEXAS WAS PRODUCING AN INCREASING PRESSURE GRADIENT ACROSS
SOUTH TEXAS THIS AFTERNOON. STRONG GUSTY SOUTH AND SOUTHWESTERLY
WINDS WILL CONTINUE TO MIX TO THE SURFACE WITH WIND SPEEDS
INCREASING TO 20 TO 30 MPH WITH GUSTS OF 35 TO 40 MPH POSSIBLE
IN THE LATE AFTERNOON AND EVENING HOURS. A DRY LINE AND COLD
FRONT MOVING INTO THE REGION FROM THE WEST THIS EVENING AND
TONIGHT WILL SHIFT WINDS TO A MORE WESTERLY AND NORTHWEST
DIRECTION.

TXZ171>173-183>194-202>209-217>225-228-280400-
/O.CON.KEWX.WI.Y.0003.000000T0000Z-110228T0600Z/
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
237 PM CST SUN FEB 27 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

SOUTH TO SOUTHWEST WINDS WINDS WILL CONTINUE TO INCREASE TO 20 TO
30 MPH ACROSS MUCH OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY
INTO THE EVENING HOURS AS A DRY LINE APPROACHES FROM THE WEST.
GUSTS TO 35 TO 40 MPH WILL BE POSSIBLE. WINDS WILL SHIFT TO A
WEST AND NORTHWESTERLY DIRECTION FROM THE WEST LATE THIS EVENING
AND INTO THE OVERNIGHT HOURS BEHIND A COLD FRONT.  

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.

&&

$$
389 
WWUS74 KEWX 280146
NPWEWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
746 PM CST SUN FEB 27 2011

...A WIND ADVISORY REMAINS IN EFFECT FOR MUCH OF THE HILL COUNTRY
AND WESTERN PARTS OF SOUTH CENTRAL TEXAS THROUGH MIDNIGHT...

.A STRONG PACIFIC COLD FRONT WILL MOVE THROUGH THE HILL COUNTRY
AND RIO GRANDE PLAINS THIS EVENING. NORTHWESTERLY WINDS OF 20 TO
30 MPH WITH GUSTS TO 40 MPH CAN BE EXPECTED AFTER ITS PASSAGE.

TXZ172-173-189>194-205>209-220>225-280300-
/O.CAN.KEWX.WI.Y.0003.000000T0000Z-110228T0600Z/
BURNET-WILLIAMSON-KENDALL-BLANCO-HAYS-TRAVIS-BASTROP-LEE-BEXAR-
COMAL-GUADALUPE-CALDWELL-FAYETTE-ATASCOSA-WILSON-KARNES-GONZALES-
DE WITT-LAVACA-
INCLUDING THE CITIES OF...BURNET...GEORGETOWN...BOERNE...BLANCO...
SAN MARCOS...AUSTIN...BASTROP...GIDDINGS...SAN ANTONIO...
NEW BRAUNFELS...SEGUIN...LOCKHART...LA GRANGE...PLEASANTON...
FLORESVILLE...KARNES CITY...GONZALES...CUERO...HALLETTSVILLE
746 PM CST SUN FEB 27 2011

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS CANCELLED
THE WIND ADVISORY. 

WINDS HAVE DECREASED TO BELOW ADVISORY LEVELS AND WILL REMAIN SO
THROUGH MIDNIGHT. A PACIFIC COLD FRONT WILL MOVE ACROSS THE AREA
AFTER MIDNIGHT. NORTHWESTERLY WINDS OF 15 TO 25 MPH WITH HIGHER
GUSTS CAN BE EXPECTED.

$$

TXZ171-183>188-202>204-217>219-228-280600-
/O.CON.KEWX.WI.Y.0003.000000T0000Z-110228T0600Z/
LLANO-VAL VERDE-EDWARDS-REAL-KERR-BANDERA-GILLESPIE-KINNEY-UVALDE-
MEDINA-MAVERICK-ZAVALA-FRIO-DIMMIT-
INCLUDING THE CITIES OF...LLANO...DEL RIO...ROCKSPRINGS...
LEAKEY...KERRVILLE...BANDERA...FREDERICKSBURG...BRACKETTVILLE...
UVALDE...HONDO...EAGLE PASS...CRYSTAL CITY...PEARSALL...
CARRIZO SPRINGS
746 PM CST SUN FEB 27 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

A WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. 

A STRONG PACIFIC COLD FRONT WILL MOVE THROUGH THE HILL COUNTRY
AND RIO GRANDE PLAINS THIS EVENING. NORTHWESTERLY WINDS OF 20 TO
30 MPH WITH GUSTS TO 40 MPH CAN BE EXPECTED AFTER ITS PASSAGE AND
MAY CONTINUE WELL AFTER MIDNIGHT.

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.

&&

$$
055 
WWUS74 KEWX 280330
NPWEWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
930 PM CST SUN FEB 27 2011

...A WIND ADVISORY IS NOW EFFECT FOR MUCH OF THE HILL COUNTRY AND
WESTERN PARTS OF SOUTH CENTRAL TEXAS THROUGH 6 AM CST MONDAY...

.A STRONG PACIFIC COLD FRONT WILL MOVE THROUGH THE HILL COUNTRY
AND RIO GRANDE PLAINS THIS EVENING. NORTHWESTERLY WINDS OF 20 TO
30 MPH WITH GUSTS TO 40 MPH CAN BE EXPECTED AFTER ITS PASSAGE AND
WILL CONTINUE THROUGH EARLY MONDAY MORNING.

TXZ171-183>188-202>204-217>219-228-281200-
/O.EXT.KEWX.WI.Y.0003.000000T0000Z-110228T1200Z/
LLANO-VAL VERDE-EDWARDS-REAL-KERR-BANDERA-GILLESPIE-KINNEY-UVALDE-
MEDINA-MAVERICK-ZAVALA-FRIO-DIMMIT-
INCLUDING THE CITIES OF...LLANO...DEL RIO...ROCKSPRINGS...
LEAKEY...KERRVILLE...BANDERA...FREDERICKSBURG...BRACKETTVILLE...
UVALDE...HONDO...EAGLE PASS...CRYSTAL CITY...PEARSALL...
CARRIZO SPRINGS
930 PM CST SUN FEB 27 2011

...WIND ADVISORY NOW IN EFFECT UNTIL 6 AM CST MONDAY...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 6 AM CST MONDAY. 

A STRONG PACIFIC COLD FRONT WILL MOVE THROUGH THE HILL COUNTRY
AND RIO GRANDE PLAINS THIS EVENING. NORTHWESTERLY WINDS OF 20 TO
30 MPH WITH GUSTS TO 40 MPH CAN BE EXPECTED AFTER ITS PASSAGE AND
WILL CONTINUE THROUGH EARLY MONDAY MORNING.

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.

&&

$$
041 
WWUS74 KEWX 280336
NPWEWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
936 PM CST SUN FEB 27 2011

...A WIND ADVISORY IS IN EFFECT FOR THE HILL COUNTRY AND WESTERN
PARTS OF SOUTH CENTRAL TEXAS THROUGH 6 AM CST MONDAY...

.A STRONG PACIFIC COLD FRONT WILL MOVE THROUGH THE HILL COUNTRY
AND RIO GRANDE PLAINS THIS EVENING. NORTHWESTERLY WINDS OF 20 TO
30 MPH WITH GUSTS UP TO AROUND 45 MPH CAN BE EXPECTED AFTER ITS
PASSAGE AND WILL CONTINUE THROUGH EARLY MONDAY MORNING.

TXZ172-189-190-281145-
/O.EXA.KEWX.WI.Y.0003.000000T0000Z-110228T1200Z/
BURNET-KENDALL-BLANCO-
INCLUDING THE CITIES OF...BURNET...BOERNE...BLANCO
936 PM CST SUN FEB 27 2011

...WIND ADVISORY IN EFFECT UNTIL 6 AM CST MONDAY...

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
WIND ADVISORY...WHICH IS IN EFFECT UNTIL 6 AM CST MONDAY. 

A STRONG PACIFIC COLD FRONT WILL MOVE THROUGH THE HILL COUNTRY
AND RIO GRANDE PLAINS THIS EVENING. NORTHWESTERLY WINDS OF 20 TO
30 MPH WITH GUSTS UP TO AROUND 45 MPH CAN BE EXPECTED AFTER ITS
PASSAGE AND WILL CONTINUE THROUGH EARLY MONDAY MORNING.

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.

&&

$$

TXZ171-183>188-202>204-217>219-228-281145-
/O.CON.KEWX.WI.Y.0003.000000T0000Z-110228T1200Z/
LLANO-VAL VERDE-EDWARDS-REAL-KERR-BANDERA-GILLESPIE-KINNEY-UVALDE-
MEDINA-MAVERICK-ZAVALA-FRIO-DIMMIT-
INCLUDING THE CITIES OF...LLANO...DEL RIO...ROCKSPRINGS...
LEAKEY...KERRVILLE...BANDERA...FREDERICKSBURG...BRACKETTVILLE...
UVALDE...HONDO...EAGLE PASS...CRYSTAL CITY...PEARSALL...
CARRIZO SPRINGS
936 PM CST SUN FEB 27 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST MONDAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST MONDAY. 

A STRONG PACIFIC COLD FRONT WILL MOVE THROUGH THE HILL COUNTRY
AND RIO GRANDE PLAINS THIS EVENING. NORTHWESTERLY WINDS OF 20 TO
30 MPH WITH GUSTS UP TO AROUND 45 MPH CAN BE EXPECTED AFTER ITS
PASSAGE AND WILL CONTINUE THROUGH EARLY MONDAY MORNING.

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
Feb 27, 5:22 AM CSTFire Weather WatchEWXAtascosa, Bandera, Bexar, Dimmit, Edwards, Frio and 9 more9 hr
Feb 27, 2:31 PM CSTRed Flag WarningEWXAtascosa, Bandera, Bastrop, Bexar, Blanco, Caldwell and 24 more25 hr

Nearby

Wind Advisories in Texas, 2011Every wind advisory in 2011

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.