Alert archive / Texas / Wind Advisories in 2007

Wind Advisory 6, NWS Austin/San Antonio, TX

December 14, 200733 counties in Texas

NWS Austin/San Antonio, TX issued this wind advisory at Dec 14, 2007, 4:01 PM CST for 33 counties in Texas. It took effect at Dec 15, 2007, 10:00 AM CST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Dec 14, 2007, 4:01 PM CST (22:01 UTC)
In effect from
Dec 15, 2007, 10:00 AM CST
Expired
Dec 15, 2007, 6:00 PM CST
In force
8 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 22:00 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, 10.0 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 2007-12-14Temperature 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 2007-12-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 194 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
620 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
194 m²/s²
0-3 km storm-relative helicity
266 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.

000 
WWUS74 KEWX 142201
NPWEWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
401 PM CST FRI DEC 14 2007

...WIND ADVISORY IN EFFECT FROM 9 AM TO 6 PM CST SATURDAY...

.A STRONG COLD FRONT WILL MOVE ACROSS SOUTH CENTRAL TEXAS LATE
TONIGHT. NORTHWESTERLY WINDS OF 20 TO 30 MPH WITH GUSTS TO 40 MPH
CAN BE EXPECTED ON SATURDAY. 

TXZ171>173-183>194-202>209-217>225-228-151100-
/O.NEW.KEWX.WI.Y.0006.071215T1500Z-071216T0000Z/
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
401 PM CST FRI DEC 14 2007

...WIND ADVISORY IN EFFECT FROM 9 AM TO 6 PM CST SATURDAY...

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
WIND ADVISORY...WHICH IS IN EFFECT FROM 9 AM TO 6 PM CST
SATURDAY. 

A COLD FRONT WILL MOVE ACROSS SOUTH CENTRAL TEXAS LATE TONIGHT.
STRONG NORTHWEST WINDS WILL DEVELOP ACROSS THE AREA AFTER SUNRISE.
WINDS OF 20 TO 30 MPH WITH GUSTS TO NEAR 40 MPH ARE POSSIBLE. 
WINDS WILL RAPIDLY DECREASE AFTER SUNSET. 

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
000 
WWUS74 KEWX 151030
NPWEWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
430 AM CST SAT DEC 15 2007

...WIND ADVISORY IN EFFECT FROM 9 AM TO 6 PM CST SATURDAY...

.A STRONG COLD FRONT WILL MOVE ACROSS SOUTH CENTRAL TEXAS THIS MORNING.
THE PRESSURE GRADIENT INDICATES WINDS WILL INCREASE TO 20 TO 30 MPH
WITH GUSTS TO 40 MPH THIS AFTERNOON.

TXZ171>173-183>194-202>209-217>225-228-160000-
/O.EXT.KEWX.WI.Y.0006.071215T1800Z-071216T0000Z/
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
430 AM CST SAT DEC 15 2007

...WIND ADVISORY NOW IN EFFECT FROM NOON TODAY TO 6 PM CST THIS
AFTERNOON...

A COLD FRONT WILL MOVE ACROSS SOUTH CENTRAL TEXAS THIS MORNING.
NORTHWEST WINDS WILL INCREASE TO 20 TO 30 MPH WITH GUSTS 40 MPH
THIS AFTERNOON. EXPECT WINDS TO DIE DOWN QUICKLY AFTER SUNSET.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 26 TO 39 MPH ARE
EXPECTED. DRIVING MAY BE DIFFICULT...ESPECIALLY ON EAST-WEST ROADS
AND FOR SMALL OR HIGH PROFILE VEHICLES. USE EXTRA CAUTION WHEN
PASSING OTHER VEHICLES OR DRIVING ON OVERPASSES.

$$
000 
WWUS74 KEWX 151533
NPWEWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
933 AM CST SAT DEC 15 2007

...WIND ADVISORY IN EFFECT FROM 9 AM TO 6 PM CST SATURDAY...

.TIGHT PRESSURE GRADIENTS IN THE WAKE OF A COLD FRONT WILL ENSURE
THAT STRONG AND GUSTY NORTHERLY WINDS WILL PERSIST THROUGH THIS
EVENING. SUSTAINED WINDS ABOVE 25 MPH WITH GUSTS AS HIGH AS 40 MPH
CAN BE EXPECTED THIS MORNING AND AFTERNOON. WINDS WILL BEGIN TO
DIMINISH AFTER SUNSET...AS PRESSURE GRADIENTS BEGIN TO SLACK.

TXZ171>173-183>194-202>209-217>225-228-152345-
/O.EXT.KEWX.WI.Y.0006.071215T1600Z-071216T0000Z/
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
933 AM CST SAT DEC 15 2007

...WIND ADVISORY NOW IN EFFECT UNTIL 6 PM CST THIS AFTERNOON...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 6 PM CST THIS AFTERNOON.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 26 TO 39 MPH ARE
EXPECTED. DRIVING MAY BE DIFFICULT...ESPECIALLY ON EAST-WEST
ROADS AND FOR SMALL OR HIGH PROFILE VEHICLES. USE EXTRA CAUTION
WHEN PASSING OTHER VEHICLES OR DRIVING ON OVERPASSES.

$$
000 
WWUS74 KEWX 152107
NPWEWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
307 PM CST SAT DEC 15 2007

...A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST SATURDAY...

.TIGHT PRESSURE GRADIENTS IN THE WAKE OF A COLD FRONT WILL ENSURE
THAT STRONG AND GUSTY NORTHERLY WINDS WILL PERSIST THROUGH THIS
EVENING. SUSTAINED WINDS ABOVE 25 MPH WITH GUSTS AS HIGH AS
40 MPH CAN BE EXPECTED THIS MORNING AND AFTERNOON. WINDS WILL
BEGIN TO DIMINISH AFTER SUNSET...AS PRESSURE GRADIENTS BEGIN TO
SLACK.

TXZ171>173-183>194-202>209-217>225-228-160000-
/O.CON.KEWX.WI.Y.0006.000000T0000Z-071216T0000Z/
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
307 PM CST SAT DEC 15 2007

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON. 

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 26 TO 39 MPH ARE
EXPECTED. DRIVING MAY BE DIFFICULT...ESPECIALLY ON EAST-WEST
ROADS AND FOR SMALL OR HIGH PROFILE VEHICLES. USE EXTRA CAUTION
WHEN PASSING OTHER VEHICLES OR DRIVING ON OVERPASSES.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 14, 4:06 PM CSTRed Flag WarningEWXKinney, Maverick, Val Verde26 hr

Nearby

Wind Advisories in Texas, 2007Every wind advisory in 2007

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.