Alert archive / Texas / Wind Advisories in 2009

Wind Advisory 2, NWS Austin/San Antonio, TX

February 8, 200933 counties in Texas

NWS Austin/San Antonio, TX issued this wind advisory at Feb 8, 2009, 4:22 PM CST for 33 counties in Texas. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Feb 8, 2009, 4:22 PM CST (22:22 UTC)
Expired
Feb 9, 2009, 12:00 AM 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 22:25 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, 10.4 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 2009-02-08Temperature 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 2009-02-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 183 square meters per square second.19395878Sfc1 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
741 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
183 m²/s²
0-3 km storm-relative helicity
306 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 082222
NPWEWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
422 PM CST SUN FEB 8 2009

...WIND ADVISORY IN EFFECT THIS EVENING FOR ALL OF SOUTH CENTRAL
TEXAS AND THE HILL COUNTRY...

.A DEEPENING SURFACE LOW PRESSURE SYSTEM LOCATED OVER SOUTHEAST
NEW MEXICO HAS RESULTED IN A STRONG PRESSURE GRADIENT ACROSS TEXAS.
SOUTH TO SOUTHEAST WINDS OF 20 TO 30 MPH WITH GUSTS OF 40 MPH WILL
OCCUR THIS EVENING IN ADVANCE OF THE PACIFIC COLD FRONT.

TXZ171>173-183>194-202>209-217>225-228-090600-
/O.NEW.KEWX.WI.Y.0002.090208T2222Z-090209T0600Z/
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
422 PM CST SUN FEB 8 2009

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

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
WIND ADVISORY THIS EVENING FOR ALL OF SOUTH CENTRAL TEXAS AND THE
HILL COUNTRY.

SOUTH TO SOUTHEAST WINDS OF 20 TO 30 MPH WITH GUSTS OF 40 MPH WILL
OCCUR THIS EVENING IN ADVANCE OF A PACIFIC COLD FRONT.

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.

$$
1 follow-up statement
000 
WWUS74 KEWX 082337
NPWEWX

URGENT - WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
535 PM CST SUN FEB 8 2009

...WIND ADVISORY IN EFFECT THIS EVENING FOR ALL OF SOUTH CENTRAL
TEXAS AND THE HILL COUNTRY...

.A DEEPENING SURFACE LOW PRESSURE SYSTEM LOCATED OVER SOUTHEAST
NEW MEXICO HAS RESULTED IN A STRONG PRESSURE GRADIENT ACROSS TEXAS.
SOUTH TO SOUTHEAST WINDS OF 20 TO 30 MPH WITH GUSTS OF 40 MPH WILL
OCCUR THIS EVENING IN ADVANCE OF THE PACIFIC COLD FRONT.

TXZ171>173-183>194-202>209-217>225-228-090600-
/O.NEW.KEWX.WI.Y.0002.090208T2222Z-090209T0600Z/
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
535 PM CST SUN FEB 8 2009

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

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
WIND ADVISORY THIS EVENING FOR ALL OF SOUTH CENTRAL TEXAS AND THE
HILL COUNTRY.

SOUTH TO SOUTHEAST WINDS OF 20 TO 30 MPH WITH GUSTS OF 40 MPH WILL
OCCUR THIS EVENING IN ADVANCE OF A PACIFIC COLD FRONT.

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.

DUE TO THE STRONG SOUTHERLY WINDS...ANY FIRES THAT DO OCCUR...WILL 
BE DIFFICULT TO CONTROL AND CONTAIN.

$$

Nearby

Wind Advisories in Texas, 2009Every wind advisory in 2009

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.