Alert archive / Texas / Wind Advisories in 2011
Wind Advisory 9, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this wind advisory at May 30, 2011, 9:45 AM CDT for 33 counties in Texas. It was in force for 11 hr.
The area
The counties it named.
The facts
- Issued
- May 30, 2011, 9:45 AM CDT (14:45 UTC)
- Expired
- May 30, 2011, 9:00 PM CDT
- In force
- 11 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 14:48 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, 2.8 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.
- Mixed-layer CAPE
- 2964 J/kg
- Mixed-layer CIN
- -276 J/kg
- Mixed-layer LCL
- 597 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 163 m²/s²
- 0-3 km storm-relative helicity
- 271 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
154 WWUS74 KEWX 301445 NPWEWX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 945 AM CDT MON MAY 30 2011 ...A WIND ADVISORY IS IN EFFECT THROUGH 9 PM THIS EVENING... .A TIGHT SURFACE PRESSURE GRADIENT WILL PRODUCE STRONG AND GUSTY SOUTHERLY WINDS OF 20 TO 35 MPH WITH A FEW GUSTS AS HIGH AS 40 MPH. TXZ171>173-183>194-202>209-217>225-228-310200- /O.NEW.KEWX.WI.Y.0009.110530T1445Z-110531T0200Z/ 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 945 AM CDT MON MAY 30 2011 ...WIND ADVISORY IN EFFECT UNTIL 9 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 9 PM CDT THIS EVENING. EXPECT STRONG AND GUSTY SOUTH AND SOUTHEAST WINDS OF 20 TO 35 MPH THIS AFTERNOON AND EARLY THIS EVENING...WITH A FEW GUSTS TO NEAR 40 MPH ACROSS SOUTH CENTRAL TEXAS AND THE HILL COUNTRY. WINDS WILL GRADUALLY SUBSIDE TO 15 TO 25 MPH BY LATE 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. && $$
1 follow-up statement
513 WWUS74 KEWX 310200 NPWEWX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 900 PM CDT MON MAY 30 2011 ...THE WIND ADVISORY WILL EXPIRE AT 9 PM CDT THIS EVENING.... .SUSTAINED WINDS HAVE FALLEN BELOW WIND ADVISORY CRITERIA. HOWEVER...SUSTAINED WINDS OF 15 TO 25 MPH WITH GUSTS UP TO NEAR 30 MPH CAN BE EXPECTED THROUGH MIDNIGHT. AFTER MIDNIGHT...WINDS WILL DECREASE TO 10 TO 15 MPH. TXZ171>173-183>194-202>209-217>225-228-310300- /O.EXP.KEWX.WI.Y.0009.000000T0000Z-110531T0200Z/ LLANO-BURNET-WILLIAMSON-VAL VERDE-EDWARDS-REAL-KERR-BANDERA- GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS-BASTROP-LEE-KINNEY-UVALDE- MEDINA-BEXAR-COMAL-GUADALUPE-CALDWELL-FAYETTE-MAVERICK-ZAVALA- FRIO-ATASCOSA-WILSON-KARNES-GONZALES-DE WITT-LAVACA-DIMMIT- INCLUDING THE CITIES OF...LLANO...BURNET...GEORGETOWN...DEL RIO... ROCKSPRINGS...LEAKEY...KERRVILLE...BANDERA...FREDERICKSBURG... BOERNE...BLANCO...SAN MARCOS...AUSTIN...BASTROP...GIDDINGS... BRACKETTVILLE...UVALDE...HONDO...SAN ANTONIO...NEW BRAUNFELS... SEGUIN...LOCKHART...LA GRANGE...EAGLE PASS...CRYSTAL CITY... PEARSALL...PLEASANTON...FLORESVILLE...KARNES CITY...GONZALES... CUERO...HALLETTSVILLE...CARRIZO SPRINGS 900 PM CDT MON MAY 30 2011 ...WIND ADVISORY WILL EXPIRE AT 9 PM CDT THIS EVENING... THE WIND ADVISORY WILL EXPIRE AT 9 PM CDT THIS EVENING. .SUSTAINED WINDS HAVE FALLEN BELOW WIND ADVISORY CRITERIA. HOWEVER...SUSTAINED WINDS OF 15 TO 25 MPH WITH GUSTS UP TO NEAR 30 MPH CAN BE EXPECTED THROUGH MIDNIGHT. AFTER MIDNIGHT...WINDS WILL DECREASE TO 10 TO 15 MPH. $$
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.