Alert archive / Texas / Wind Advisories in 2018

Wind Advisory 1, NWS Austin/San Antonio, TX

January 11, 201833 counties in Texas

NWS Austin/San Antonio, TX issued this wind advisory at Jan 11, 2018, 3:35 AM CST for 33 counties in Texas. It took effect at Jan 11, 2018, 10:00 AM CST. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Jan 11, 2018, 3:35 AM CST (09:35 UTC)
In effect from
Jan 11, 2018, 10:00 AM CST
Expired
Jan 12, 2018, 12:00 AM CST
In force
14 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 09:41 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, 9.6 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 2018-01-11Temperature 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 00:00Z on 2018-01-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 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
2127 m above ground
0-6 km bulk shear
77 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
242 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

364 
WWUS74 KEWX 110935
NPWEWX

URGENT - WEATHER MESSAGE
National Weather Service Austin/San Antonio TX
335 AM CST Thu Jan 11 2018

TXZ171>173-183>194-202>209-217>225-228-111745-
/O.NEW.KEWX.WI.Y.0001.180111T1600Z-180112T0600Z/
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, Bracketville, 
Uvalde, Hondo, San Antonio, New Braunfels, Seguin, Lockhart, 
La Grange, Eagle Pass, Crystal City, Pearsall, Pleasanton, 
Floresville, Karnes City, Gonzales, Cuero, Halletsville, 
and Carrizo Springs
335 AM CST Thu Jan 11 2018

...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO MIDNIGHT
CST TONIGHT...

The National Weather Service in Austin/San Antonio has issued a
Wind Advisory, which is in effect from 10 AM this morning to
midnight CST tonight. 

* TIMING...Late morning through evening.

* WINDS...North to Northwest 20 to 30 MPH with gusts to 40 MPH,
  isolated 45 MPH. 

* IMPACTS...Lightweight and loose objects that are not secured may
  easily be blown around. High profile and light weight vehicles 
  may experience difficultly traveling on area roads

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

&&

$$
4 follow-up statements
861 
WWUS74 KEWX 111627
NPWEWX

URGENT - WEATHER MESSAGE
National Weather Service Austin/San Antonio TX
1027 AM CST Thu Jan 11 2018

TXZ171>173-183>194-202>209-217>225-228-120600-
/O.CON.KEWX.WI.Y.0001.000000T0000Z-180112T0600Z/
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, Bracketville, 
Uvalde, Hondo, San Antonio, New Braunfels, Seguin, Lockhart, 
La Grange, Eagle Pass, Crystal City, Pearsall, Pleasanton, 
Floresville, Karnes City, Gonzales, Cuero, Halletsville, 
and Carrizo Springs
1027 AM CST Thu Jan 11 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

* TIMING...This afternoon and evening.

* WINDS...North to Northwest 20 to 30 MPH with gusts to 40 MPH, 
  isolated 45 MPH. 

* IMPACTS...Lightweight and loose objects that are not secured 
  may easily be blown around. High profile and light weight 
  vehicles may experience difficultly traveling on area roads 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

&&

$$
862 
WWUS74 KEWX 120223
NPWEWX

URGENT - WEATHER MESSAGE
National Weather Service Austin/San Antonio TX
823 PM CST Thu Jan 11 2018

TXZ183>185-202-203-217-218-228-120330-
/O.CAN.KEWX.WI.Y.0001.000000T0000Z-180112T0600Z/
Val Verde-Edwards-Real-Kinney-Uvalde-Maverick-Zavala-Dimmit-
Including the cities of Del Rio, Rocksprings, Leakey, 
Bracketville, Uvalde, Eagle Pass, Crystal City, 
and Carrizo Springs
823 PM CST Thu Jan 11 2018

...WIND ADVISORY IS CANCELLED...

The National Weather Service in Austin/San Antonio has cancelled
the Wind Advisory. 

Northwest winds have fallen below wind advisory levels and will
continue to slowly decrease overnight. Therefore, the wind
advisory has been cancelled. 

$$

TXZ171>173-186>194-204>209-219>225-120600-
/O.CON.KEWX.WI.Y.0001.000000T0000Z-180112T0600Z/
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, and Halletsville
823 PM CST Thu Jan 11 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

* TIMING...This evening.

* WINDS...North to Northwest 20 to 30 MPH with gusts to 40 MPH. 

* IMPACTS...Lightweight and loose objects that are not secured 
  may easily be blown around. High profile and light weight 
  vehicles may experience difficultly traveling on area roads 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

&&

$$
175 
WWUS74 KEWX 120346
NPWEWX

URGENT - WEATHER MESSAGE
National Weather Service Austin/San Antonio TX
946 PM CST Thu Jan 11 2018

TXZ171-172-186>190-204-205-219-220-120500-
/O.CAN.KEWX.WI.Y.0001.000000T0000Z-180112T0600Z/
Llano-Burnet-Kerr-Bandera-Gillespie-Kendall-Blanco-Medina-Bexar-
Frio-Atascosa-
Including the cities of Llano, Burnet, Kerrville, Bandera, 
Fredericksburg, Boerne, Blanco, Hondo, San Antonio, Pearsall, 
and Pleasanton
946 PM CST Thu Jan 11 2018

...WIND ADVISORY IS CANCELLED...

The National Weather Service in Austin/San Antonio has cancelled
the Wind Advisory. 

Northwest winds have fallen below wind advisory levels and will
continue to slowly decrease overnight. Therefore, the wind
advisory has been cancelled. 

$$

TXZ173-191>194-206>209-221>225-120600-
/O.CON.KEWX.WI.Y.0001.000000T0000Z-180112T0600Z/
Williamson-Hays-Travis-Bastrop-Lee-Comal-Guadalupe-Caldwell-
Fayette-Wilson-Karnes-Gonzales-De Witt-Lavaca-
Including the cities of Georgetown, San Marcos, Austin, Bastrop, 
Giddings, New Braunfels, Seguin, Lockhart, La Grange, 
Floresville, Karnes City, Gonzales, Cuero, and Halletsville
946 PM CST Thu Jan 11 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

* TIMING...This evening.

* WINDS...North to Northwest 20 to 30 MPH with gusts to 40 MPH.

* IMPACTS...Lightweight and loose objects that are not secured 
  may easily be blown around. High profile and light weight 
  vehicles may experience difficultly traveling on area roads 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

&&

$$
114 
WWUS74 KEWX 120609
NPWEWX

URGENT - WEATHER MESSAGE
National Weather Service Austin/San Antonio TX
1209 AM CST Fri Jan 12 2018

TXZ173-191>194-206>209-221>225-120715-
/O.EXP.KEWX.WI.Y.0001.000000T0000Z-180112T0600Z/
Williamson-Hays-Travis-Bastrop-Lee-Comal-Guadalupe-Caldwell-
Fayette-Wilson-Karnes-Gonzales-De Witt-Lavaca-
Including the cities of Georgetown, San Marcos, Austin, Bastrop, 
Giddings, New Braunfels, Seguin, Lockhart, La Grange, 
Floresville, Karnes City, Gonzales, Cuero, and Halletsville
1209 AM CST Fri Jan 12 2018

...WIND ADVISORY HAS EXPIRED...

The National Weather Service in Austin/San Antonio has allowed the
Wind Advisory to expire. 

Northwesterly winds have fallen below wind advisory levels and 
will continue to slowly decrease overnight. Therefore, the wind 
advisory has been allowed to expire. However, wind gusts up to 35
mph are still possible for the next few hours. 

$$

Nearby

Wind Advisories in Texas, 2018Every wind advisory in 2018

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.