Alert archive / Texas / Wind Advisories in 2015

Wind Advisory 5, NWS Austin/San Antonio, TX

December 13, 201523 counties in Texas

NWS Austin/San Antonio, TX issued this wind advisory at Dec 13, 2015, 2:21 PM CST for 23 counties in Texas. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Dec 13, 2015, 2:21 PM CST (20:21 UTC)
Expired
Dec 13, 2015, 6:00 PM CST
In force
4 hr
Issued by
NWS Austin/San Antonio, TX
All 23 counties

Atascosa County, TX, Bandera County, TX, Bexar County, TX, Blanco County, TX, Burnet County, TX, Comal County, TX, Dimmit County, TX, Edwards County, TX, Frio County, TX, Gillespie County, TX, Hays County, TX, Kendall County, TX, Kerr County, TX, Kinney 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, Zavala County, TX

The radar

The Austin/San Antonio radar (KEWX), 105 km from the middle of the area, began a volume at 20:21 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 12:00Z, 8.4 hours before the alert went out and 171 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 12:00Z on 2015-12-13Temperature 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, Del Rio, TX at 12:00Z on 2015-12-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -502 square meters per square second.1939587897117136Sfc1 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
1927 m above ground
0-6 km bulk shear
104 kt
0-1 km storm-relative helicity
-502 m²/s²
0-3 km storm-relative helicity
-662 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.

242 
WWUS74 KEWX 132021
NPWEWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
221 PM CST SUN DEC 13 2015

TXZ171>173-183>192-202>206-217>220-228-140000-
/O.NEW.KEWX.WI.Y.0005.151213T2021Z-151214T0000Z/
LLANO-BURNET-WILLIAMSON-VAL VERDE-EDWARDS-REAL-KERR-BANDERA-
GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS-KINNEY-UVALDE-MEDINA-BEXAR-
COMAL-MAVERICK-ZAVALA-FRIO-ATASCOSA-DIMMIT-
INCLUDING THE CITIES OF...LLANO...BURNET...GEORGETOWN...DEL RIO...
ROCKSPRINGS...LEAKEY...KERRVILLE...BANDERA...FREDERICKSBURG...
BOERNE...BLANCO...SAN MARCOS...AUSTIN...BRACKETTVILLE...UVALDE...
HONDO...SAN ANTONIO...NEW BRAUNFELS...EAGLE PASS...CRYSTAL CITY...
PEARSALL...PLEASANTON...CARRIZO SPRINGS
221 PM CST SUN DEC 13 2015

...WIND ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
WIND ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM CST THIS EVENING. 

* TIMING...THROUGH 6 PM.

* WINDS...25 TO 30 MPH WITH GUSTS UP TO 40 MPH.

* IMPACTS...MINOR DAMAGE TO WEAK TREES AND POORLY BUILT
  STRUCTURES. LOOSE OBJECTS WILL BE BLOWN AROUND AND COULD CAUSE
  MINOR DAMAGE.

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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 12, 9:33 PM CSTSpecial Weather StatementEWXVal Verde42 min
Dec 12, 10:18 PM CSTSpecial Weather StatementEWXEdwards, Kinney, Real57 min
Dec 12, 10:59 PM CSTSevere Thunderstorm WarningEWXEdwards, Kinney, Real, Uvalde76 min
Dec 12, 11:28 PM CSTSpecial Weather StatementEWXMaverick, Zavala62 min
Dec 12, 11:40 PM CSTSpecial Weather StatementEWXGillespie, Kerr, Llano65 min
Dec 13, 12:15 AM CSTSpecial Weather StatementEWXBandera, Uvalde, Zavala60 min
Dec 13, 12:31 AM CSTSpecial Weather StatementEWXBlanco, Burnet, Gillespie, Kendall, Kerr, Llano44 min
Dec 13, 12:47 AM CSTSevere Thunderstorm WarningEWXBurnet43 min
Dec 13, 12:59 AM CSTSpecial Weather StatementEWXBexar, Blanco, Burnet, Comal, Frio, Hays and 3 more61 min
Dec 13, 1:12 AM CSTSevere Thunderstorm WarningEWXAtascosa, Bexar, Medina63 min
Dec 13, 1:36 AM CSTSevere Thunderstorm WarningEWXBexar, Blanco, Comal, Hays, Kendall, Travis54 min
Dec 13, 2:04 AM CSTAreal Flood AdvisoryEWXBandera, Bexar, Kendall116 min
Dec 13, 2:08 AM CSTSpecial Weather StatementEWXBastrop, Hays, Travis, Williamson67 min
Dec 13, 2:17 AM CSTSpecial Weather StatementEWXAtascosa, Guadalupe, Wilson58 min
Dec 13, 2:34 AM CSTSpecial Weather StatementEWXBastrop, Caldwell56 min
Dec 13, 3:16 AM CSTSpecial Weather StatementEWXBastrop, Caldwell, Gonzales, Guadalupe, Lee, Wilson59 min
Dec 13, 3:25 AM CSTAreal Flood AdvisoryEWXTravis, Williamson3 hr
Dec 13, 4:09 AM CSTAreal Flood AdvisoryEWXBandera, Kerr, Real, Uvalde3 hr

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.