Alert archive / Texas / Wind Advisories in 2017

Wind Advisory 6, NWS Austin/San Antonio, TX

August 26, 20178 counties in Texas

NWS Austin/San Antonio, TX issued this wind advisory at Aug 26, 2017, 4:10 AM CDT for 8 counties in Texas. It took effect at Aug 26, 2017, 7:00 AM CDT. It was in force for 33 hr.

The area

The counties it named.

The facts

Issued
Aug 26, 2017, 4:10 AM CDT (09:10 UTC)
In effect from
Aug 26, 2017, 7:00 AM CDT
Expired
Aug 27, 2017, 4:00 PM CDT
In force
33 hr
Issued by
NWS Austin/San Antonio, TX

Counties Bandera County, TX, Blanco County, TX, Frio County, TX, Kendall County, TX, Lee County, TX, Medina County, TX, Travis County, TX, Williamson County, TX

The radar

The Austin/San Antonio radar (KEWX), 41 km from the middle of the area, began a volume at 09:12 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, 9.2 hours before the alert went out and 247 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 2017-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 105 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 2017-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -29 square meters per square second.1939Sfc1 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
105 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
2223 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-29 m²/s²
0-3 km storm-relative helicity
-23 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

855 
WWUS74 KEWX 260910
NPWEWX

URGENT - WEATHER MESSAGE
National Weather Service Austin/San Antonio TX
410 AM CDT Sat Aug 26 2017

TXZ173-187-189-190-192-194-204-219-261715-
/O.NEW.KEWX.WI.Y.0006.170826T1200Z-170827T0300Z/
Williamson-Bandera-Kendall-Blanco-Travis-Lee-Medina-Frio-
Including the cities of Georgetown, Bandera, Boerne, Blanco, 
Austin, Giddings, Hondo, and Pearsall
410 AM CDT Sat Aug 26 2017

...WIND ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING...

The National Weather Service in Austin/San Antonio has issued a
Wind Advisory, which is in effect until 10 PM CDT this evening. 

* TIMING...7am through 10am

* WINDS...Sustained winds of 25 to 35 MPH with gusts to 40 MPH

* IMPACTS...Driving high profile vehicles will be difficult
  through the day. Large tree limbs could fall and cause damage. 

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.

&&

$$

Allen
5 follow-up statements
491 
WWUS74 KEWX 261646
NPWEWX

URGENT - WEATHER MESSAGE
National Weather Service Austin/San Antonio TX
1146 AM CDT Sat Aug 26 2017

TXZ173-187-189-190-192-194-204-219-270300-
/O.CON.KEWX.WI.Y.0006.000000T0000Z-170827T0300Z/
Williamson-Bandera-Kendall-Blanco-Travis-Lee-Medina-Frio-
Including the cities of Georgetown, Bandera, Boerne, Blanco, 
Austin, Giddings, Hondo, and Pearsall
1146 AM CDT Sat Aug 26 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING...

* TIMING...Through 10 PM.

* WINDS...Sustained winds of 25 to 35 mph with gusts to 40 mph.

* IMPACTS...Driving high profile vehicles will be difficult 
  through the day. Large tree limbs could fall and cause damage. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 26 to 39 mph are expected. 
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.

&&

$$
747 
WWUS74 KEWX 270251
NPWEWX

URGENT - WEATHER MESSAGE
National Weather Service Austin/San Antonio TX
951 PM CDT Sat Aug 26 2017

TXZ187-189-190-204-219-270400-
/O.CAN.KEWX.WI.Y.0006.000000T0000Z-170827T0300Z/
Bandera-Kendall-Blanco-Medina-Frio-
Including the cities of Bandera, Boerne, Blanco, Hondo, 
and Pearsall
951 PM CDT Sat Aug 26 2017

...WIND ADVISORY IS CANCELLED...

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

Wind speeds have dropped below 25 mph. Some gusts will remain.

$$

TXZ173-192-194-271200-
/O.EXT.KEWX.WI.Y.0006.000000T0000Z-170827T1200Z/
Williamson-Travis-Lee-
Including the cities of Georgetown, Austin, and Giddings
951 PM CDT Sat Aug 26 2017

...WIND ADVISORY NOW IN EFFECT UNTIL 7 AM CDT SUNDAY...

* TIMING...Through 10 PM.

* WINDS...Sustained winds of 25 to 35 mph with gusts to 40 mph.

* IMPACTS...Driving high profile vehicles will be difficult 
  through the day. Large tree limbs could fall and cause damage. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 26 to 39 mph are expected.
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.

&&

$$
106 
WWUS74 KEWX 270641
NPWEWX

URGENT - WEATHER MESSAGE
National Weather Service Austin/San Antonio TX
141 AM CDT Sun Aug 27 2017

TXZ173-192-194-271800-
/O.EXT.KEWX.WI.Y.0006.000000T0000Z-170827T1800Z/
Williamson-Travis-Lee-
Including the cities of Georgetown, Austin, and Giddings
141 AM CDT Sun Aug 27 2017

...WIND ADVISORY NOW IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON...

* TIMING...Through 1 PM.

* WINDS...Sustained winds of 25 to 35 mph with gusts to 40 mph.

* IMPACTS...Driving high profile vehicles will be difficult 
  through the day. Large tree limbs could fall and cause damage. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 26 to 39 mph are expected.
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.

&&

$$
208 
WWUS74 KEWX 271020
NPWEWX

URGENT - WEATHER MESSAGE
National Weather Service Austin/San Antonio TX
520 AM CDT Sun Aug 27 2017

TXZ173-192-194-272100-
/O.EXT.KEWX.WI.Y.0006.000000T0000Z-170827T2100Z/
Williamson-Travis-Lee-
Including the cities of Georgetown, Austin, and Giddings
520 AM CDT Sun Aug 27 2017

...WIND ADVISORY NOW IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...

* TIMING...Through 4 PM.

* WINDS...Sustained winds of 25 to 35 mph with gusts to 40 mph.

* IMPACTS...Driving high profile vehicles will be difficult 
  through the day. Large tree limbs could fall and cause damage. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 26 to 39 mph are expected.
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.

&&

$$
012 
WWUS74 KEWX 272120
NPWEWX

URGENT - WEATHER MESSAGE
National Weather Service Austin/San Antonio TX
420 PM CDT Sun Aug 27 2017

TXZ173-192-194-280530-
/O.EXP.KEWX.WI.Y.0006.000000T0000Z-170827T2100Z/
/O.NEW.KEWX.WI.Y.0007.170827T2120Z-170828T0600Z/
Williamson-Travis-Lee-
Including the cities of Georgetown, Austin, and Giddings
420 PM CDT Sun Aug 27 2017

...WIND ADVISORY IN EFFECT UNTIL 1 AM CDT MONDAY...

The National Weather Service in Austin/San Antonio has issued a
Wind Advisory, which is in effect until 1 AM CDT Monday. 

* TIMING...Through 1 AM.

* WINDS...Sustained winds of 25 to 35 mph with gusts to 40 mph.

* IMPACTS...Driving high profile vehicles will be difficult 
  through the day. Large tree limbs could fall and cause damage. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 26 to 39 mph are expected.
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.

&&

$$

TXZ191-193-205-206-209-220-280530-
/O.NEW.KEWX.WI.Y.0007.170827T2120Z-170828T0600Z/
Hays-Bastrop-Bexar-Comal-Fayette-Atascosa-
Including the cities of San Marcos, Bastrop, San Antonio, 
New Braunfels, La Grange, and Pleasanton
420 PM CDT Sun Aug 27 2017

...WIND ADVISORY IN EFFECT UNTIL 1 AM CDT MONDAY...

The National Weather Service in Austin/San Antonio has issued a
Wind Advisory, which is in effect until 1 AM CDT Monday. 

* TIMING...Through 1 AM.

* WINDS...Sustained winds of 25 to 35 mph with gusts to 40 mph.

* IMPACTS...Driving high profile vehicles will be difficult 
  through the day. Large tree limbs could fall and cause damage.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that 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
Aug 25, 8:51 PM CDTRiver Flood WarningEWXTravis3 days
Aug 26, 3:48 AM CDTAreal Flood AdvisoryEWXDeWitt4 hr
Aug 26, 5:28 AM CDTAreal Flood AdvisoryEWXBastrop, Caldwell, Comal, Fayette, Gonzales, Guadalupe and 3 more4 hr
Aug 26, 6:57 AM CDTTornado WarningEWXBastrop, Lee20 min
Aug 26, 9:37 AM CDTAreal Flood AdvisoryEWXBastrop, Bexar, Caldwell, Comal, DeWitt, Fayette and 9 more6 hr
Aug 26, 9:48 AM CDTRiver Flood WarningEWXTravis50 hr

Nearby

Wind Advisories in Texas, 2017Every wind advisory in 2017

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.