Alert archive / Texas / Wind Advisories in 2021

Wind Advisory 1, NWS Austin/San Antonio, TX

January 14, 202118 counties in Texas

NWS Austin/San Antonio, TX issued this wind advisory at Jan 14, 2021, 1:22 PM CST for 18 counties in Texas. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Jan 14, 2021, 1:22 PM CST (19:22 UTC)
Expired
Jan 14, 2021, 6:00 PM CST
In force
5 hr
Issued by
NWS Austin/San Antonio, TX

Counties Bandera County, TX, Bexar County, TX, Blanco County, TX, Burnet County, TX, Comal County, TX, Edwards County, TX, Gillespie County, TX, Hays County, TX, Kendall County, TX, Kerr County, TX, Kinney County, TX, Llano County, TX, Medina County, TX, Real County, TX, Travis County, TX, Uvalde County, TX, Val Verde County, TX, Williamson County, TX

The radar

The Austin/San Antonio radar (KEWX), 101 km from the middle of the area, began a volume at 19:24 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, 7.4 hours before the alert went out and 189 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 2021-01-14Temperature 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 2021-01-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3336 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
106 m²/s²
0-3 km storm-relative helicity
98 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

719 
WWUS74 KEWX 141922
NPWEWX

URGENT - WEATHER MESSAGE
National Weather Service Austin/San Antonio TX
122 PM CST Thu Jan 14 2021

TXZ171>173-183>192-202>206-150000-
/O.NEW.KEWX.WI.Y.0001.210114T1922Z-210115T0000Z/
Llano-Burnet-Williamson-Val Verde-Edwards-Real-Kerr-Bandera-
Gillespie-Kendall-Blanco-Hays-Travis-Kinney-Uvalde-Medina-Bexar-
Comal-
Including the cities of Llano, Burnet, Georgetown, Del Rio, 
Rocksprings, Leakey, Kerrville, Bandera, Fredericksburg, Boerne, 
Blanco, San Marcos, Austin, Brackettville, Uvalde, Hondo, 
San Antonio, and New Braunfels
122 PM CST Thu Jan 14 2021

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

* WHAT...North winds 20 to 30 mph with gusts up to 40 mph.

* WHERE...Portions of South Central Texas.

* WHEN...Until 6 PM CST this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
1 follow-up statement
816 
WWUS74 KEWX 142353
NPWEWX

URGENT - WEATHER MESSAGE
National Weather Service Austin/San Antonio TX
553 PM CST Thu Jan 14 2021

TXZ171>173-183>192-202>206-150100-
/O.EXP.KEWX.WI.Y.0001.000000T0000Z-210115T0000Z/
Llano-Burnet-Williamson-Val Verde-Edwards-Real-Kerr-Bandera-
Gillespie-Kendall-Blanco-Hays-Travis-Kinney-Uvalde-Medina-Bexar-
Comal-
Including the cities of Llano, Burnet, Georgetown, Del Rio, 
Rocksprings, Leakey, Kerrville, Bandera, Fredericksburg, Boerne, 
Blanco, San Marcos, Austin, Brackettville, Uvalde, Hondo, 
San Antonio, and New Braunfels
553 PM CST Thu Jan 14 2021

...WIND ADVISORY WILL EXPIRE AT 6 PM CST THIS EVENING...

The Wind Advisory issued earlier for the
I-35 Corridor, Hill Country, Rio Grande Plains, and Edwards
Plateau will be allowed to expire at 6 PM this evening. Current
surface observations are reporting wind speeds of 10 to 20
mph, which are below wind advisory criteria. Winds will continue
to relax as the evening progresses. 

$$

Nearby

Wind Advisories in Texas, 2021Every wind advisory in 2021

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.