Alert archive / Texas / Wind Advisories in 2011
Wind Advisory 8, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this wind advisory at May 29, 2011, 1:22 PM CDT for 25 counties in Texas. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- May 29, 2011, 1:22 PM CDT (18:22 UTC)
- Expired
- May 29, 2011, 7:00 PM CDT
- In force
- 6 hr
- Issued by
- NWS Austin/San Antonio, TX
All 25 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, 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, Lavaca County, TX, Lee County, TX, Llano County, TX, Medina County, TX, Travis County, TX, Williamson County, TX, Wilson County, TX
The radar
The Austin/San Antonio radar (KEWX), 14 km from the middle of the area, began a volume at 18:25 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
Corpus Christi, TX (KCRP), launched 12:00Z, 6.4 hours before the alert went out and 242 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.
- Mixed-layer CAPE
- 2883 J/kg
- Mixed-layer CIN
- -240 J/kg
- Mixed-layer LCL
- 640 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -37 m²/s²
- 0-3 km storm-relative helicity
- 128 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
004 WWUS74 KEWX 291822 NPWEWX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 122 PM CDT SUN MAY 29 2011 ...A WIND ADVISORY IS IN EFFECT THROUGH 7 PM THIS EVENING... .A TIGHT SOUTHERLY PRESSURE GRADIENT HAS RESULTED IN STRONG GUSTY SOUTH AND SOUTHEAST WINDS OF 20 TO 30 MPH THIS AFTERNOON WITH GUSTS TO NEAR 35 MPH. TXZ171>173-186>194-204>209-219>225-300000- /O.NEW.KEWX.WI.Y.0008.110529T1822Z-110530T0000Z/ LLANO-BURNET-WILLIAMSON-KERR-BANDERA-GILLESPIE-KENDALL-BLANCO- HAYS-TRAVIS-BASTROP-LEE-MEDINA-BEXAR-COMAL-GUADALUPE-CALDWELL- FAYETTE-FRIO-ATASCOSA-WILSON-KARNES-GONZALES-DE WITT-LAVACA- INCLUDING THE CITIES OF...LLANO...BURNET...GEORGETOWN... KERRVILLE...BANDERA...FREDERICKSBURG...BOERNE...BLANCO... SAN MARCOS...AUSTIN...BASTROP...GIDDINGS...HONDO...SAN ANTONIO... NEW BRAUNFELS...SEGUIN...LOCKHART...LA GRANGE...PEARSALL... PLEASANTON...FLORESVILLE...KARNES CITY...GONZALES...CUERO... HALLETTSVILLE 122 PM CDT SUN MAY 29 2011 ...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. A TIGHT SOUTHERLY PRESSURE GRADIENT HAS RESULTED IN STRONG GUSTY SOUTH AND SOUTHEAST WINDS OF 20 TO 30 MPH THIS AFTERNOON...WITH GUSTS TO NEAR 35 MPH ACROSS MUCH OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY. WINDS WILL GRADUALLY SUBSIDE TO 15 TO 25 MPH AFTER 7 PM THIS EVENING. 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. && $$
1 follow-up statement
326 WWUS74 KEWX 292356 NPWEWX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 656 PM CDT SUN MAY 29 2011 ...WIND ADVISORY WILL BE ALLOWED TO EXPIRE AT 7 PM CDT... .SUSTAINED WINDS HAVE FALLEN BELOW WIND ADVISORY CRITERIA. GUSTS TO NEAR 30 MPH WILL GRADUALLY SUBSIDE AFTER SUNSET...BUT SUSTAINED WINDS ARE EXPECTED TO REMAIN 15 TO 25 MPH OVERNIGHT. TXZ171>173-186>194-204>209-219>225-300100- /O.EXP.KEWX.WI.Y.0008.000000T0000Z-110530T0000Z/ LLANO-BURNET-WILLIAMSON-KERR-BANDERA-GILLESPIE-KENDALL-BLANCO- HAYS-TRAVIS-BASTROP-LEE-MEDINA-BEXAR-COMAL-GUADALUPE-CALDWELL- FAYETTE-FRIO-ATASCOSA-WILSON-KARNES-GONZALES-DE WITT-LAVACA- INCLUDING THE CITIES OF...LLANO...BURNET...GEORGETOWN... KERRVILLE...BANDERA...FREDERICKSBURG...BOERNE...BLANCO... SAN MARCOS...AUSTIN...BASTROP...GIDDINGS...HONDO...SAN ANTONIO... NEW BRAUNFELS...SEGUIN...LOCKHART...LA GRANGE...PEARSALL... PLEASANTON...FLORESVILLE...KARNES CITY...GONZALES...CUERO... HALLETTSVILLE 656 PM CDT SUN MAY 29 2011 ...WIND ADVISORY WILL EXPIRE AT 7 PM CDT THIS EVENING... SUSTAINED WINDS HAVE FALLEN BELOW WIND ADVISORY CRITERIA. GUSTS TO NEAR 30 MPH WILL GRADUALLY SUBSIDE AFTER SUNSET...BUT SUSTAINED WINDS ARE EXPECTED TO REMAIN 15 TO 25 MPH OVERNIGHT. $$
Nearby
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.