Alert archive / Texas / Wind Advisories in 2008

Wind Advisory 18, NWS Austin/San Antonio, TX

September 12, 200821 counties in Texas

NWS Austin/San Antonio, TX issued this wind advisory at Sep 12, 2008, 4:36 AM CDT for 21 counties in Texas. It took effect at Sep 12, 2008, 7:00 PM CDT. It was in force for 20 hr.

The area

The counties it named.

The facts

Issued
Sep 12, 2008, 4:36 AM CDT (09:36 UTC)
In effect from
Sep 12, 2008, 7:00 PM CDT
Expired
Sep 13, 2008, 3:05 PM CDT
In force
20 hr
Issued by
NWS Austin/San Antonio, TX
All 21 counties

Atascosa County, TX, Bastrop County, TX, Bexar County, TX, Blanco County, TX, Burnet County, TX, Caldwell County, TX, Comal County, TX, DeWitt County, TX, Fayette County, TX, Gillespie County, TX, Gonzales County, TX, Guadalupe County, TX, Hays County, TX, Karnes County, TX, Kendall County, TX, Lavaca County, TX, Lee County, TX, Llano County, TX, Travis County, TX, Williamson County, TX, Wilson County, TX

The radar

The Austin/San Antonio radar (KEWX), 20 km from the middle of the area, began a volume at 09:40 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

Corpus Christi, TX (KCRP), launched 00:00Z, 9.6 hours before the alert went out and 243 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, Corpus Christi, TX at 00:00Z on 2008-09-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 83 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, Corpus Christi, TX at 00:00Z on 2008-09-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -56 square meters per square second.1939Sfc1 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
83 J/kg
Mixed-layer CIN
-113 J/kg
Mixed-layer LCL
1315 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
-56 m²/s²
0-3 km storm-relative helicity
-10 m²/s²
Significant tornado parameter
0.0
Supercell composite
-1.0

Open this sounding in Storm Lab

The text

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

000 
WWUS74 KEWX 120936
NPWEWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
436 AM CDT FRI SEP 12 2008

...WIND ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 7 PM CDT
SATURDAY...

.HURRICANE IKE WILL MAKE LANDFALL ON THE UPPER TEXAS COAST
TONIGHT AND THEN MOVE NORTH INTO EAST CENTRAL TEXAS ON SATURDAY.
WINDY CONDITIONS ON THE EDGE OF IKE WILL SPREAD ACROSS THE AREA
TONIGHT AND PERSIST INTO SATURDAY. NORTH TO NORTHWEST WINDS OF 25
TO 39 MPH WITH GUSTS TO 45 MPH CAN BE EXPECTED. WINDS WILL SLOWLY
DECREASE SATURDAY AFTERNOON AND EVENING AS IKE MOVES INTO
NORTHEASTERN TEXAS.

TXZ171>173-188>192-205>208-220>222-122200-
/O.NEW.KEWX.WI.Y.0018.080913T0000Z-080914T0000Z/
LLANO-BURNET-WILLIAMSON-GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS-
BEXAR-COMAL-GUADALUPE-CALDWELL-ATASCOSA-WILSON-KARNES-
INCLUDING THE CITIES OF...LLANO...BURNET...GEORGETOWN...
FREDERICKSBURG...BOERNE...BLANCO...SAN MARCOS...AUSTIN...
SAN ANTONIO...NEW BRAUNFELS...SEGUIN...LOCKHART...PLEASANTON...
FLORESVILLE...KARNES CITY
436 AM CDT FRI SEP 12 2008

...WIND ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 7 PM CDT
SATURDAY...

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
WIND ADVISORY...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 7 PM
CDT SATURDAY. 

HURRICANE IKE WILL MAKE LANDFALL ON THE UPPER TEXAS COAST TONIGHT
AND THEN MOVE NORTH INTO EAST CENTRAL TEXAS ON SATURDAY. WINDY
CONDITIONS ON THE EDGE OF IKE WILL SPREAD ACROSS THE AREA TONIGHT
AND PERSIST INTO SATURDAY. NORTH TO NORTHWEST WINDS OF 25 TO 39
MPH WITH GUSTS TO 45 MPH CAN BE EXPECTED. WINDS WILL SLOWLY
DECREASE SATURDAY AFTERNOON AND EVENING AS IKE MOVES INTO
NORTHEASTERN TEXAS.

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.

$$
5 follow-up statements
000 
WWUS74 KEWX 122055
NPWEWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
355 PM CDT FRI SEP 12 2008

...WIND ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 7 PM CDT
SATURDAY...

.HURRICANE IKE WILL MAKE LANDFALL ON THE UPPER TEXAS COAST
TONIGHT AND THEN MOVE NORTH INTO EAST CENTRAL TEXAS ON SATURDAY.
WINDY CONDITIONS ON THE EDGE OF IKE WILL SPREAD ACROSS THE AREA
TONIGHT AND PERSIST INTO SATURDAY. NORTH TO NORTHWEST WINDS OF
25 TO 39 MPH WITH GUSTS TO 45 MPH CAN BE EXPECTED. WINDS WILL
SLOWLY DECREASE SATURDAY AFTERNOON AND EVENING AS IKE MOVES INTO
NORTHEASTERN TEXAS.

TXZ171>173-188>192-205>208-220>222-131000-
/O.CON.KEWX.WI.Y.0018.080913T0000Z-080914T0000Z/
LLANO-BURNET-WILLIAMSON-GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS-
BEXAR-COMAL-GUADALUPE-CALDWELL-ATASCOSA-WILSON-KARNES-
INCLUDING THE CITIES OF...LLANO...BURNET...GEORGETOWN...
FREDERICKSBURG...BOERNE...BLANCO...SAN MARCOS...AUSTIN...
SAN ANTONIO...NEW BRAUNFELS...SEGUIN...LOCKHART...PLEASANTON...
FLORESVILLE...KARNES CITY
355 PM CDT FRI SEP 12 2008

...WIND ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 7 PM
CDT SATURDAY...

HURRICANE IKE WILL MAKE LANDFALL ON THE UPPER TEXAS COAST TONIGHT
AND THEN MOVE NORTH INTO EAST CENTRAL TEXAS ON SATURDAY. WINDY
CONDITIONS ON THE EDGE OF IKE WILL SPREAD ACROSS THE AREA TONIGHT
AND PERSIST INTO SATURDAY. NORTH TO NORTHWEST WINDS OF 25 TO
39 MPH WITH GUSTS TO 45 MPH CAN BE EXPECTED. WINDS WILL SLOWLY
DECREASE SATURDAY AFTERNOON AND EVENING AS IKE MOVES INTO
NORTHEASTERN TEXAS.

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 130914
NPWEWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
414 AM CDT SAT SEP 13 2008

...WIND ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 7 PM CDT
SATURDAY...

.HURRICANE IKE WILL MOVE ACROSS EASTERN TEXAS TODAY. WINDY
CONDITIONS ON THE EDGE OF IKE WILL SPREAD ACROSS THE AREA TODAY.
NORTHWEST WINDS OF 25 TO 39 MPH WITH GUSTS TO 45 MPH CAN BE
EXPECTED. WINDS WILL SLOWLY DECREASE THIS AFTERNOON TO BELOW
ADVISORY LEVELS BY EARLY THIS EVENING AS IKE MOVES AWAY FROM THE
AREA. 

TXZ171-172-188>190-205-206-220>222-131015-
/O.CAN.KEWX.WI.Y.0018.000000T0000Z-080914T0000Z/
LLANO-BURNET-GILLESPIE-KENDALL-BLANCO-BEXAR-COMAL-ATASCOSA-WILSON-
KARNES-
INCLUDING THE CITIES OF...LLANO...BURNET...FREDERICKSBURG...
BOERNE...BLANCO...SAN ANTONIO...NEW BRAUNFELS...PLEASANTON...
FLORESVILLE...KARNES CITY
414 AM CDT SAT SEP 13 2008

...WIND ADVISORY IS CANCELLED...

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

HURRICANE IKE WILL MOVE AWAY FROM THE AREA RESULTING IN LOWER WIND
SPEEDS. HOWEVER...BREEZY CONDITIONS WITH NORTHWEST WINDS OF 15 TO
25 MPH AND GUSTY ARE EXPECTED.

$$

TXZ193-223-224-131715-
/O.EXA.KEWX.WI.Y.0018.000000T0000Z-080914T0000Z/
BASTROP-GONZALES-DE WITT-
INCLUDING THE CITIES OF...BASTROP...GONZALES...CUERO
414 AM CDT SAT SEP 13 2008

...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
WIND ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM CDT THIS EVENING. 

TROPICAL STORM FORCE WINDS ARE NO LONGER EXPECTED. HOWEVER...WINDY
CONDITIONS WITH NORTHWESTERLY WINDS OF 25 TO 39 MPH WITH GUSTS TO
45 MPH ARE EXPECTED.

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.

$$

TXZ173-191-192-207-208-131715-
/O.CON.KEWX.WI.Y.0018.000000T0000Z-080914T0000Z/
WILLIAMSON-HAYS-TRAVIS-GUADALUPE-CALDWELL-
INCLUDING THE CITIES OF...GEORGETOWN...SAN MARCOS...AUSTIN...
SEGUIN...LOCKHART
414 AM CDT SAT SEP 13 2008

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

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. 

HURRICANE IKE WILL MOVE ACROSS EASTERN TEXAS TODAY. WINDY
CONDITIONS WITH NORTHWESTERLY WINDS OF 25 TO 39 MPH WITH GUSTS
UP TO 45 MPH CAN BE EXPECTED.

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 130919 CCA
NPWEWX

URGENT - WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
414 AM CDT SAT SEP 13 2008

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

.HURRICANE IKE WILL MOVE ACROSS EASTERN TEXAS TODAY. WINDY
CONDITIONS ON THE EDGE OF IKE WILL SPREAD ACROSS THE AREA TODAY.
NORTHWEST WINDS OF 25 TO 39 MPH WITH GUSTS TO 45 MPH CAN BE
EXPECTED. WINDS WILL SLOWLY DECREASE THIS AFTERNOON TO BELOW
ADVISORY LEVELS BY EARLY THIS EVENING AS IKE MOVES AWAY FROM THE
AREA. 

TXZ171-172-188>190-205-206-220>222-131015-
/O.CAN.KEWX.WI.Y.0018.000000T0000Z-080914T0000Z/
LLANO-BURNET-GILLESPIE-KENDALL-BLANCO-BEXAR-COMAL-ATASCOSA-WILSON-
KARNES-
INCLUDING THE CITIES OF...LLANO...BURNET...FREDERICKSBURG...
BOERNE...BLANCO...SAN ANTONIO...NEW BRAUNFELS...PLEASANTON...
FLORESVILLE...KARNES CITY
414 AM CDT SAT SEP 13 2008

...WIND ADVISORY IS CANCELLED...

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

HURRICANE IKE WILL MOVE AWAY FROM THE AREA RESULTING IN LOWER WIND
SPEEDS. HOWEVER...BREEZY CONDITIONS WITH NORTHWEST WINDS OF 15 TO
25 MPH AND GUSTY ARE EXPECTED.

$$

TXZ193-223-224-131715-
/O.EXA.KEWX.WI.Y.0018.000000T0000Z-080914T0000Z/
BASTROP-GONZALES-DE WITT-
INCLUDING THE CITIES OF...BASTROP...GONZALES...CUERO
414 AM CDT SAT SEP 13 2008

...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
WIND ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM CDT THIS EVENING. 

TROPICAL STORM FORCE WINDS ARE NO LONGER EXPECTED. HOWEVER...WINDY
CONDITIONS WITH NORTHWESTERLY WINDS OF 25 TO 39 MPH WITH GUSTS TO
45 MPH ARE EXPECTED.

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.

$$

TXZ173-191-192-207-208-131715-
/O.CON.KEWX.WI.Y.0018.000000T0000Z-080914T0000Z/
WILLIAMSON-HAYS-TRAVIS-GUADALUPE-CALDWELL-
INCLUDING THE CITIES OF...GEORGETOWN...SAN MARCOS...AUSTIN...
SEGUIN...LOCKHART
414 AM CDT SAT SEP 13 2008

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

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. 

HURRICANE IKE WILL MOVE ACROSS EASTERN TEXAS TODAY. WINDY
CONDITIONS WITH NORTHWESTERLY WINDS OF 25 TO 39 MPH WITH GUSTS
UP TO 45 MPH CAN BE EXPECTED.

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 131456
NPWEWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
956 AM CDT SAT SEP 13 2008

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

.HURRICANE IKE CONTINUES TO MOVE FARTHER AWAY FROM SOUTH CENTRAL TEXAS.
WINDY CONDITION ON THE EDGE OF IKE WILL CONTINUE OVER EXTREME
EASTERN SECTIONS OF SOUTH CENTRAL TEXAS. THE WINDS WILL SUBSIDE BY
THIS EVENING.


TXZ191-207-208-223-224-131600-
/O.CAN.KEWX.WI.Y.0018.000000T0000Z-080914T0000Z/
HAYS-GUADALUPE-CALDWELL-GONZALES-DE WITT-
INCLUDING THE CITIES OF...SAN MARCOS...SEGUIN...LOCKHART...
GONZALES...CUERO
956 AM CDT SAT SEP 13 2008

...WIND ADVISORY IS CANCELLED...

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

HURRICANE IKE WILL CONTINUE TO MOVE FARTHER AWAY FROM SOUTH
CENTRAL TEXAS. AS A RESULT WIND SPEEDS WILL BE LOWER. HOWEVER,
BREEZY CONDITIONS WITH NORTHWEST WINDS AROUND 15 MPH ARE
EXPECTED. WIND GUSTS WILL PEAK AROUND 25 AND 30 MPH TODAY.

$$

TXZ194-209-225-132300-
/O.EXA.KEWX.WI.Y.0018.000000T0000Z-080914T0000Z/
LEE-FAYETTE-LAVACA-
INCLUDING THE CITIES OF...GIDDINGS...LA GRANGE...HALLETTSVILLE
956 AM CDT SAT SEP 13 2008

...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
WIND ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM CDT THIS EVENING. 

TROPICAL STORM FORCE WINDS ARE NO LONGER EXPECTED. HOWEVER...
WINDY CONDITIONS WITH NORTHWESTERLY WINDS OF 25 TO 39 MPH WITH
GUSTS TO 45 MPH ARE EXPECTED.

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.

$$

TXZ173-192-193-132300-
/O.CON.KEWX.WI.Y.0018.000000T0000Z-080914T0000Z/
WILLIAMSON-TRAVIS-BASTROP-
INCLUDING THE CITIES OF...GEORGETOWN...AUSTIN...BASTROP
956 AM CDT SAT SEP 13 2008

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

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. 

TROPICAL STORM FORCE WINDS ARE NO LONGER EXPECTED. HOWEVER...
WINDY CONDITIONS WITH NORTHWESTERLY WINDS OF 25 TO 39 MPH WITH
GUSTS TO 45 MPH ARE EXPECTED.

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 132005
NPWEWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
305 PM CDT SAT SEP 13 2008

...THE WIND ADVISORY FOR THE EASTERN SECTIONS OF SOUTH CENTRAL
TEXAS IS CANCELLED...

TXZ173-192>194-209-225-132115-
/O.CAN.KEWX.WI.Y.0018.000000T0000Z-080914T0000Z/
WILLIAMSON-TRAVIS-BASTROP-LEE-FAYETTE-LAVACA-
INCLUDING THE CITIES OF...GEORGETOWN...AUSTIN...BASTROP...
GIDDINGS...LA GRANGE...HALLETTSVILLE
305 PM CDT SAT SEP 13 2008

...WIND ADVISORY IS CANCELLED...

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

WINDS HAVE SUBSIDED TO WELL BELOW WIND ADVISORY CRITERIA AS IKE
CONTINUES TO PULL AWAY FROM THE AREA. THEREFORE THE ADVISORY HAS
BEEN CANCELLED.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 12, 4:31 AM CDTInland Tropical Storm WarningEWXBastrop, DeWitt, Fayette, Gonzales, Lavaca, Lee29 hr

Nearby

Wind Advisories in Texas, 2008Every wind advisory in 2008

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.