Alert archive / Texas / Wind Advisories in 2021

Wind Advisory 7, NWS San Angelo, TX

October 12, 202113 counties in Texas

NWS San Angelo, TX issued this wind advisory at Oct 12, 2021, 12:54 PM CDT for 13 counties in Texas. It took effect at Oct 12, 2021, 1:00 PM CDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Oct 12, 2021, 12:54 PM CDT (17:54 UTC)
In effect from
Oct 12, 2021, 1:00 PM CDT
Expired
Oct 12, 2021, 9:19 PM CDT
In force
8 hr
Issued by
NWS San Angelo, TX

Counties Callahan County, TX, Coke County, TX, Fisher County, TX, Haskell County, TX, Irion County, TX, Jones County, TX, Nolan County, TX, Runnels County, TX, Shackelford County, TX, Sterling County, TX, Taylor County, TX, Throckmorton County, TX, Tom Green County, TX

The radar

The Dyess AFB radar (KDYX), 84 km from the middle of the area, began a volume at 17:54 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

Midland Regional, TX (KMAF), launched 12:00Z, 5.9 hours before the alert went out and 202 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, Midland Regional, TX at 12:00Z on 2021-10-12Temperature 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, Midland Regional, TX at 12:00Z on 2021-10-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 296 square meters per square second.1939587897Sfc1 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
1739 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
296 m²/s²
0-3 km storm-relative helicity
336 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

041 
WWUS74 KSJT 121754
NPWSJT

URGENT - WEATHER MESSAGE
National Weather Service San Angelo TX
1254 PM CDT Tue Oct 12 2021

TXZ049-054-064>066-071-072-098-099-113-114-127-128-130200-
/O.NEW.KSJT.WI.Y.0007.211012T1800Z-211013T0600Z/
Fisher-Nolan-Sterling-Coke-Runnels-Irion-Tom Green-Haskell-
Throckmorton-Jones-Shackelford-Taylor-Callahan-
Including the cities of Gannon, Sweetwater, Broome, 
Sterling City, Robert Lee, Sanco, Silver, Bronte, Tennyson, 
Ballinger, Benoit, Hatchel, Rowena, Crews, Winters, Pumphrey, 
Barnhart, Arden, Mertzon, Sherwood, Carlsbad, San Angelo, Wall, 
Irby, Haskell, Throckmorton, Woodson, Stamford, Stith, Anson, 
Funston, Truby, Tuxedo, Hamlin, Albany, Abilene, Clyde, Eula, 
Dudley, Baird, and Cross Plains
1254 PM CDT Tue Oct 12 2021

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

* WHAT...South winds 25 to 30 mph with gusts up to 40 mph 
  expected.

* WHERE...Big Country and Concho Valley.

* WHEN...Until 1 AM CDT Wednesday.

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


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 30 to 39 mph with higher
gusts are occurring or expected. Winds this strong can knock down
tree limbs and make driving difficult, especially for high
profile vehicles. Secure loose outdoor objects.

&&

$$
1 follow-up statement
171 
WWUS74 KSJT 130219
NPWSJT

URGENT - WEATHER MESSAGE
National Weather Service San Angelo TX
919 PM CDT Tue Oct 12 2021

TXZ049-054-064>066-071-072-098-099-113-114-127-128-130330-
/O.CAN.KSJT.WI.Y.0007.000000T0000Z-211013T0600Z/
Fisher-Nolan-Sterling-Coke-Runnels-Irion-Tom Green-Haskell-
Throckmorton-Jones-Shackelford-Taylor-Callahan-
Including the cities of Gannon, Sweetwater, Broome, 
Sterling City, Robert Lee, Sanco, Silver, Bronte, Tennyson, 
Ballinger, Benoit, Hatchel, Rowena, Crews, Winters, Pumphrey, 
Barnhart, Arden, Mertzon, Sherwood, Carlsbad, San Angelo, Wall, 
Irby, Haskell, Throckmorton, Woodson, Stamford, Stith, Anson, 
Funston, Truby, Tuxedo, Hamlin, Albany, Abilene, Clyde, Eula, 
Dudley, Baird, and Cross Plains
919 PM CDT Tue Oct 12 2021

...WIND ADVISORY IS CANCELLED...

Winds have diminished to less than Wind Advisory levels across 
the area, therefore the Wind Advisory has been cancelled. 

$$

The office that day

Everything else NWS San Angelo, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 12, 3:56 AM CDTFlash Flood WatchSJTBrown, Coke, Coleman, Concho, Crockett, Kimble and 8 more42 hr

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.