Alert archive / Texas / Wind Advisories in 2006

Wind Advisory 9, NWS Austin/San Antonio, TX

April 15, 200614 counties in Texas

NWS Austin/San Antonio, TX issued this wind advisory at Apr 15, 2006, 11:07 AM CDT for 14 counties in Texas. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Apr 15, 2006, 11:07 AM CDT (16:07 UTC)
Expired
Apr 15, 2006, 2:21 PM CDT
In force
3 hr
Issued by
NWS Austin/San Antonio, TX

Counties Bastrop County, TX, Burnet County, TX, Caldwell County, TX, Comal County, TX, DeWitt County, TX, Fayette County, TX, Gonzales County, TX, Guadalupe County, TX, Hays County, TX, Karnes County, TX, Lavaca County, TX, Lee County, TX, Travis County, TX, Williamson County, TX

The radar

The Austin/San Antonio radar (KEWX), 46 km from the middle of the area, began a volume at 16:12 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 12:00Z, 4.1 hours before the alert went out and 239 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 12:00Z on 2006-04-15Temperature 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, Corpus Christi, TX at 12:00Z on 2006-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
678 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
69 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 151607
NPWEWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1107 AM CDT SAT APR 15 2006

...WIND ADVISORY IN EFFECT THROUGH 4 PM CDT FOR EASTERN PART
OF SOUTH CENTRAL TEXAS... 

.AN AREA OF LOW PRESSURE NORTH OF THE TEXAS PANHANDLE WILL
MOVE TO EASTERN KANSAS LATER TODAY. THE PRESSURE GRADIENT
WILL BE STRONG OVER THE EAST PART OF SOUTH CENTRAL TEXAS
THIS AFTERNOON...AND THEN DIMINISH LATER TODAY AND THIS
EVENING. 

TXZ172-173-191>194-206>209-222>225-152100-
/O.NEW.KEWX.WI.Y.0009.060415T1607Z-060415T2100Z/
BURNET-WILLIAMSON-HAYS-TRAVIS-BASTROP-LEE-COMAL-GUADALUPE-
CALDWELL-FAYETTE-KARNES-GONZALES-DE WITT-LAVACA-
INCLUDING THE CITIES OF...BURNET...GEORGETOWN...SAN MARCOS...
AUSTIN...BASTROP...GIDDINGS...NEW BRAUNFELS...SEGUIN...LOCKHART...
LA GRANGE...KARNES CITY...GONZALES...CUERO...HALLETTSVILLE
1107 AM CDT SAT APR 15 2006

...WIND ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
WIND ADVISORY...WHICH IS IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON.

THE WIND ADVISORY IS IN EFFECT FOR BURNET...WILLIAMSON...HAYS...
TRAVIS...BASTROP...LEE...COMAL...AND GUADALUPE COUNTIES.

SOUTH WINDS OF 20 TO 30 MPH...WITH GUSTS BETWEEN 30 AND 40 MPH
IS EXPECTED THROUGH 4 PM CDT OVER PARTS OF BURNET...WILLIAMSON...
HAYS...TRAVIS...BASTROP...LEE...COMAL...AND GUADALUPE COUNTIES.

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 151921
NPWEWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
221 PM CDT SAT APR 15 2006

...WIND ADVISORY CANCELLED FOR EASTERN PART OF SOUTH CENTRAL TEXAS...

.THE SURFACE LOW THAT BROUGHT STRONGER WINDS TO THE AREA EARLIER
TODAY HAS MOVED FURTHER NORTH AND NORTHEAST...RESULTING IN A WEAKER
PRESSURE GRADIENT OVER SOUTH CENTRAL TEXAS.  AS A RESULT THE WIND 
ADVISORY HAS BEEN CANCELLED.  BREEZY SOUTH WINDS OF 15 TO 25 MPH IS
STILL EXPECTED THIS AFTERNOON...HOWEVER NOT STRONG ENOUGHT FOR
WIND ADVISORY CRITERIA.

TXZ172-173-191>194-206>209-222>225-152030-
/O.CAN.KEWX.WI.Y.0009.000000T0000Z-060415T2100Z/
BURNET-WILLIAMSON-HAYS-TRAVIS-BASTROP-LEE-COMAL-GUADALUPE-
CALDWELL-FAYETTE-KARNES-GONZALES-DE WITT-LAVACA-
INCLUDING THE CITIES OF...BURNET...GEORGETOWN...SAN MARCOS...
AUSTIN...BASTROP...GIDDINGS...NEW BRAUNFELS...SEGUIN...LOCKHART...
LA GRANGE...KARNES CITY...GONZALES...CUERO...HALLETTSVILLE
221 PM CDT SAT APR 15 2006

...WIND ADVISORY IS CANCELLED...

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

BREEZY SOUTH WINDS OF 15 TO 25 MPH IS STILL EXPECTED THIS
AFTERNOON...HOWEVER NOT STRONG ENOUGHT FOR WIND ADVISORY CRITERIA.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 14, 10:01 PM CDTRed Flag WarningEWXBandera, Blanco, Burnet, Edwards, Gillespie, Kendall and 6 more20 hr

Nearby

Wind Advisories in Texas, 2006Every wind advisory in 2006

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.