Alert archive / Texas / Wind Advisories in 2009

Wind Advisory 7, NWS Austin/San Antonio, TX

March 26, 200931 counties in Texas

NWS Austin/San Antonio, TX issued this wind advisory at Mar 26, 2009, 4:00 PM CDT for 31 counties in Texas. It took effect at Mar 27, 2009, 12:00 PM CDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Mar 26, 2009, 4:00 PM CDT (21:00 UTC)
In effect from
Mar 27, 2009, 12:00 PM CDT
Expired
Mar 27, 2009, 9:25 PM CDT
In force
9 hr
Issued by
NWS Austin/San Antonio, TX
All 31 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, 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, 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), 67 km from the middle of the area, began a volume at 21:00 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, 9.0 hours before the alert went out and 208 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 2009-03-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 819 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 2009-03-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 109 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
819 J/kg
Mixed-layer CIN
-257 J/kg
Mixed-layer LCL
1383 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
109 m²/s²
0-3 km storm-relative helicity
119 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.

000 
WWUS74 KEWX 262100
NPWEWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
400 PM CDT THU MAR 26 2009

...WINDY CONDITIONS FORECAST FRIDAY WITH A COLD FRONT...

.A POTENT UPPER LEVEL STORM SYSTEM...CURRENTLY TAKING SHAPE ACROSS
THE SOUTHERN ROCKIES...WILL MOVE EAST ACROSS THE TEXAS PANHANDLE
ON FRIDAY. WESTERLY WINDS WILL MIX DOWN TO THE SURFACE ACROSS 
SOUTH CENTRAL TEXAS AHEAD OF THE UPPER LEVEL SYSTEM ON FRIDAY AND
WILL BE FOLLOWED BY A COLD FRONT LATE FRIDAY AFTERNOON. WINDS WILL
GRADUALLY DECREASE FRIDAY NIGHT...ALTHOUGH BREEZY CONDITIONS ARE 
FORECAST ON SATURDAY. 

TXZ171>173-183>194-202>208-217>220-228-270900-
/O.NEW.KEWX.WI.Y.0007.090327T1700Z-090328T0500Z/
LLANO-BURNET-WILLIAMSON-VAL VERDE-EDWARDS-REAL-KERR-BANDERA-
GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS-BASTROP-LEE-KINNEY-UVALDE-
MEDINA-BEXAR-COMAL-GUADALUPE-CALDWELL-MAVERICK-ZAVALA-FRIO-
ATASCOSA-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...EAGLE PASS...CRYSTAL CITY...PEARSALL...
PLEASANTON...CARRIZO SPRINGS
400 PM CDT THU MAR 26 2009

...WIND ADVISORY IN EFFECT FROM NOON FRIDAY TO MIDNIGHT CDT
FRIDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
WIND ADVISORY...WHICH IS IN EFFECT FROM NOON FRIDAY TO MIDNIGHT
CDT FRIDAY NIGHT. 

WESTERLY WINDS WILL INCREASE TO BETWEEN 20 AND 30 MPH WITH GUSTS
UP TO 40 MPH FRIDAY AFTERNOON. WINDS WILL BECOME NORTHWEST AND 
CONTINUE BETWEEN 20 AND 30 MPH WITH GUSTS UP TO 40 MPH FRIDAY
EVENING BEHIND THE 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.

&&

$$
3 follow-up statements
000 
WWUS74 KEWX 270922
NPWEWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
422 AM CDT FRI MAR 27 2009

...WINDY CONDITIONS FORECAST TODAY AND THIS EVENING WITH A STRONG
COLD FRONT...

.A POTENT UPPER LEVEL STORM SYSTEM...MOVING OUT OF THE SOUTHERN
ROCKIES...WILL MIXING STRONG WESTERLY WINDS ALOFT DOWN TO THE
SURFACE TODAY AND THIS EVENING. THE SURFACE WINDS WILL BECOME
STRONGEST LATE THIS AFTERNOON AND EARLY THIS EVENING BEHIND A COLD
FRONT. THE WINDS WILL DECREASE SLIGHTLY AFTER MIDNIGHT TONIGHT...BUT
WILL INCREASE AGAIN DURING THE DAYTIME HOURS SATURDAY.

TXZ221>224-280500-
/O.EXA.KEWX.WI.Y.0007.090327T1700Z-090328T0500Z/
WILSON-KARNES-GONZALES-DE WITT-
INCLUDING THE CITIES OF...FLORESVILLE...KARNES CITY...GONZALES...
CUERO
422 AM CDT FRI MAR 27 2009

...WIND ADVISORY IN EFFECT FROM NOON TODAY TO MIDNIGHT CDT
TONIGHT...

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
WIND ADVISORY...WHICH IS IN EFFECT FROM NOON TODAY TO MIDNIGHT
CDT TONIGHT. 

WESTERLY WINDS WILL INCREASE TO BETWEEN 20 AND 30 MPH WITH GUSTS
UP TO 40 MPH THIS AFTERNOON. WINDS WILL BECOME NORTHWEST AND CONTINUE
BETWEEN 20 AND 30 MPH WITH GUSTS UP TO 40 MPH THIS EVENING BEHIND
THE 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.

&&

$$

TXZ171>173-183>194-202>208-217>220-228-280500-
/O.CON.KEWX.WI.Y.0007.090327T1700Z-090328T0500Z/
LLANO-BURNET-WILLIAMSON-VAL VERDE-EDWARDS-REAL-KERR-BANDERA-
GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS-BASTROP-LEE-KINNEY-UVALDE-
MEDINA-BEXAR-COMAL-GUADALUPE-CALDWELL-MAVERICK-ZAVALA-FRIO-
ATASCOSA-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...EAGLE PASS...CRYSTAL CITY...PEARSALL...
PLEASANTON...CARRIZO SPRINGS
422 AM CDT FRI MAR 27 2009

...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO MIDNIGHT
CDT TONIGHT...

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
WIND ADVISORY...WHICH IS IN EFFECT FROM NOON TODAY TO MIDNIGHT
CDT TONIGHT. 

WESTERLY WINDS WILL INCREASE TO BETWEEN 20 AND 30 MPH WITH GUSTS
UP TO 40 MPH THIS AFTERNOON. WINDS WILL BECOME NORTHWEST AND CONTINUE
BETWEEN 20 AND 30 MPH WITH GUSTS UP TO 40 MPH THIS EVENING BEHIND
THE 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.

&&

$$
000 
WWUS74 KEWX 271957
NPWEWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
257 PM CDT FRI MAR 27 2009

...WINDY CONDITIONS WILL CONTINUE THROUGH THIS EVENING FRONT...

.A POTENT UPPER LEVEL STORM SYSTEM PUSHING ACROSS NORTH TEXAS WILL
BRING A COLD FRONT TO SOUTH CENTRAL TEXAS. STRONG NORTHWEST WINDS
OF 20 TO 30 MPH WITH GUSTS AS HIGH AS 40 MPH WILL CONTINUE THROUGH
THIS EVENING. THE WINDS WILL DECREASE SLIGHTLY AFTER MIDNIGHT
TONIGHT...BUT WILL INCREASE AGAIN DURING THE DAYTIME HOURS
SATURDAY.

TXZ171>173-183>194-202>208-217>224-228-280400-
/O.CON.KEWX.WI.Y.0007.000000T0000Z-090328T0500Z/
LLANO-BURNET-WILLIAMSON-VAL VERDE-EDWARDS-REAL-KERR-BANDERA-
GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS-BASTROP-LEE-KINNEY-UVALDE-
MEDINA-BEXAR-COMAL-GUADALUPE-CALDWELL-MAVERICK-ZAVALA-FRIO-
ATASCOSA-WILSON-KARNES-GONZALES-DE WITT-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...EAGLE PASS...CRYSTAL CITY...PEARSALL...
PLEASANTON...FLORESVILLE...KARNES CITY...GONZALES...CUERO...
CARRIZO SPRINGS
257 PM CDT FRI MAR 27 2009

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

NORTHWEST WINDS OF 20 AND 30 MPH WITH GUSTS UP TO 40 MPH CAN BE
EXPECTED ACROSS MOST OF SOUTH CENTRAL TEXAS THROUGH THIS EVENING.
WINDS WILL DECREASE BELOW ADVISORY CRITERIA AFTER MIDNIGHT...BUT
ARE STILL EXPECTED TO BE 15 TO 25 MPH OVERNIGHT.

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.

&&

$$
000 
WWUS74 KEWX 280225 AAA
NPWEWX

URGENT - WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
925 PM CDT FRI MAR 27 2009

...THE WIND ADVISORY FOR SOUTH CENTRAL TEXAS AND THE HILL COUNTRY
HAS BEEN CANCELLED...

TXZ171>173-183>194-202>208-217>224-228-280330-
/O.CAN.KEWX.WI.Y.0007.000000T0000Z-090328T0500Z/
LLANO-BURNET-WILLIAMSON-VAL VERDE-EDWARDS-REAL-KERR-BANDERA-
GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS-BASTROP-LEE-KINNEY-UVALDE-
MEDINA-BEXAR-COMAL-GUADALUPE-CALDWELL-MAVERICK-ZAVALA-FRIO-
ATASCOSA-WILSON-KARNES-GONZALES-DE WITT-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...EAGLE PASS...CRYSTAL CITY...PEARSALL...
PLEASANTON...FLORESVILLE...KARNES CITY...GONZALES...CUERO...
CARRIZO SPRINGS
925 PM CDT FRI MAR 27 2009

...WIND ADVISORY IS CANCELLED...

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

THE PRESSURE GRADIENT HAS RELAXED AND SUSTAINED WINDS ARE NOW
BELOW WIND ADVISORY CRITERIA.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 26, 6:04 AM CDTFire Weather WatchEWXAtascosa, Bandera, Dimmit, Edwards, Frio, Kerr and 7 more10 hr
Mar 26, 8:47 AM CDTSevere Thunderstorm WarningEWXEdwards, Kinney, Val Verde43 min
Mar 26, 9:05 AM CDTSevere Thunderstorm WarningEWXUvalde55 min
Mar 26, 9:29 AM CDTSevere Thunderstorm WarningEWXKinney, Uvalde61 min
Mar 26, 9:35 AM CDTSevere Thunderstorm WarningEWXFrio, Medina, Uvalde55 min
Mar 26, 10:23 AM CDTSevere Thunderstorm WarningEWXKinney, Uvalde38 min
Mar 26, 10:25 AM CDTSevere Thunderstorm WarningEWXFrio, Medina65 min
Mar 26, 10:41 AM CDTAreal Flood AdvisoryEWXKinney, Uvalde2 hr
Mar 26, 10:43 AM CDTSevere Thunderstorm WarningEWXKinney, Medina, Uvalde62 min
Mar 26, 10:58 AM CDTSevere Thunderstorm WarningEWXBandera, Medina, Real, Uvalde62 min
Mar 26, 11:10 AM CDTSevere Thunderstorm WarningEWXAtascosa, Bexar, Frio, Medina30 min
Mar 26, 11:54 AM CDTSevere Thunderstorm WarningEWXAtascosa, Bexar, Frio, Medina, Zavala51 min
Mar 26, 12:27 PM CDTSevere Thunderstorm WarningEWXAtascosa, Bexar, Frio, Medina63 min
Mar 26, 12:48 PM CDTSevere Thunderstorm WarningEWXAtascosa, Bexar, Frio, Wilson42 min
Mar 26, 1:03 PM CDTTornado WarningEWXAtascosa27 min
Mar 26, 1:24 PM CDTSevere Thunderstorm WarningEWXAtascosa, Karnes66 min
Mar 26, 1:29 PM CDTRed Flag WarningEWXEdwards, Val Verde5 hr
Mar 26, 2:08 PM CDTSevere Thunderstorm WarningEWXKarnes37 min
Mar 26, 3:50 PM CDTRed Flag WarningEWXAtascosa, Bandera, Blanco, Dimmit, Edwards, Frio and 10 more30 hr

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.