Alert archive / Texas / Wind Advisories in 2015

Wind Advisory 3, NWS Austin/San Antonio, TX

March 26, 201533 counties in Texas

NWS Austin/San Antonio, TX issued this wind advisory at Mar 26, 2015, 12:06 AM CDT for 33 counties in Texas. It took effect at Mar 26, 2015, 3:00 AM CDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Mar 26, 2015, 12:06 AM CDT (05:06 UTC)
In effect from
Mar 26, 2015, 3:00 AM CDT
Expired
Mar 26, 2015, 12:00 PM CDT
In force
9 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 05:09 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 (KDLF), launched 00:00Z, 5.1 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.

Skew-T log-pSkew-T log-p diagram, Del Rio, TX at 00:00Z on 2015-03-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1391 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 00:00Z on 2015-03-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 square meters per square second.19395878Sfc1 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
1391 J/kg
Mixed-layer CIN
-238 J/kg
Mixed-layer LCL
924 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
120 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.

320 
WWUS74 KEWX 260506
NPWEWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1206 AM CDT THU MAR 26 2015

...STRONG NORTH WINDS DEVELOPING OVERNIGHT...

.A STRONG COLD FRONT WILL MOVE THROUGH SOUTH-CENTRAL TEXAS
OVERNIGHT. STRONG PRESSURE RISES WILL INITIALLY LEAD TO VERY
GUSTY WINDS IMMEDIATELY BEHIND THE FRONT. MIXING OF HIGHER
MOMENTUM ALOFT WILL OCCUR AFTER SUNRISE...CONTINUING THE STRONG
AND GUSTY NORTH WINDS...ESPECIALLY ACROSS THE SOUTHERN HILL
COUNTRY AND INTERSTATE 35 CORRIDOR. WINDS WILL SLOWLY WEAKEN
THROUGH THE AFTERNOON AND THEN DIMINISH CONSIDERABLY AFTER SUNSET
THURSDAY.

TXZ171>173-183>194-202>209-217>225-228-261700-
/O.NEW.KEWX.WI.Y.0003.150326T0800Z-150326T1700Z/
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
1206 AM CDT THU MAR 26 2015

...WIND ADVISORY IN EFFECT FROM 3 AM TO NOON CDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
WIND ADVISORY...WHICH IS IN EFFECT FROM 3 AM TO NOON CDT
THURSDAY. 

* TIMING...DEVELOPING BETWEEN 3 AM AND 7 AM WITH BEHIND A FRONTAL
  PASSAGE...AND PERSISTING THROUGH NOON ON THURSDAY.

* WINDS...NORTH WINDS GUSTING BETWEEN 30 AND 40 MPH.

* IMPACTS...WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
  ESPECIALLY FOR HIGH PROFILE VEHICLES. LOOSE AND LIGHTWEIGHT
  OBJECTS COULD BECOME AIRBORNE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 26 TO 39 MPH ARE
EXPECTED. USE EXTRA CAUTION WHEN DRIVING. SECURE LOOSE AND
LIGHTWEIGHT OUTDOOR OBJECTS.

&&

$$
1 follow-up statement
381 
WWUS74 KEWX 260811
NPWEWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
311 AM CDT THU MAR 26 2015

...STRONG NORTH WINDS DEVELOPING OVERNIGHT INTO MIDDAY THURSDAY...

.A STRONG COLD FRONT WILL MOVE THROUGH SOUTH-CENTRAL TEXAS
THROUGH EARLY THURSDAY MORNING. STRONG PRESSURE RISES WILL
INITIALLY LEAD TO VERY GUSTY WINDS IMMEDIATELY BEHIND THE FRONT.
MIXING OF HIGHER MOMENTUM ALOFT WILL OCCUR AFTER
SUNRISE...CONTINUING THE STRONG AND GUSTY NORTH WINDS...ESPECIALLY
ACROSS THE SOUTHERN HILL COUNTRY AND INTERSTATE 35 CORRIDOR. WINDS
WILL SLOWLY WEAKEN THROUGH THE AFTERNOON AND THEN DIMINISH
CONSIDERABLY AFTER SUNSET THURSDAY.

TXZ171>173-183>194-202>209-217>225-228-261615-
/O.CON.KEWX.WI.Y.0003.000000T0000Z-150326T1700Z/
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
311 AM CDT THU MAR 26 2015

...WIND ADVISORY IS IN EFFECT UNTIL NOON CDT TODAY...

* TIMING...DEVELOPING NOW WITH THE FRONTAL PASSAGE...AND
  PERSISTING THROUGH NOON ON THURSDAY.

* WINDS...NORTH WINDS GUSTING BETWEEN 30 AND 40 MPH.

* IMPACTS...WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... 
  ESPECIALLY FOR HIGH PROFILE VEHICLES. LOOSE AND LIGHTWEIGHT 
  OBJECTS COULD BECOME AIRBORNE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 26 TO 39 MPH ARE
EXPECTED. USE EXTRA CAUTION WHEN DRIVING. SECURE LOOSE AND
LIGHTWEIGHT OUTDOOR OBJECTS.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 25, 7:10 PM CDTSpecial Weather StatementEWXKinney20 min

Nearby

Wind Advisories in Texas, 2015Every wind advisory in 2015

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.