Alert archive / Texas / Wind Advisories in 2021

Wind Advisory 2, NWS San Angelo, TX

January 15, 20215 counties in Texas

NWS San Angelo, TX issued this wind advisory at Jan 15, 2021, 2:52 AM CST for 5 counties in Texas. It took effect at Jan 15, 2021, 10:00 AM CST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Jan 15, 2021, 2:52 AM CST (08:52 UTC)
In effect from
Jan 15, 2021, 10:00 AM CST
Expired
Jan 15, 2021, 6:00 PM CST
In force
8 hr
Issued by
NWS San Angelo, TX

Counties Callahan County, TX, Haskell County, TX, Jones County, TX, Shackelford County, TX, Throckmorton County, TX

The radar

The Dyess AFB radar (KDYX), 40 km from the middle of the area, began a volume at 08:53 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

Fort Worth, TX (KFWD), launched 00:00Z, 8.9 hours before the alert went out and 207 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, Fort Worth, TX at 00:00Z on 2021-01-15Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 00:00Z on 2021-01-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -75 square meters per square second.1939587897117Sfc1 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
3136 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
-75 m²/s²
0-3 km storm-relative helicity
-320 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

394 
WWUS74 KSJT 150852
NPWSJT

URGENT - WEATHER MESSAGE
National Weather Service San Angelo TX
252 AM CST Fri Jan 15 2021

TXZ098-099-113-114-128-160000-
/O.NEW.KSJT.WI.Y.0002.210115T1600Z-210116T0000Z/
Haskell-Throckmorton-Jones-Shackelford-Callahan-
Including the cities of Irby, Haskell, Throckmorton, Woodson, 
Stamford, Stith, Anson, Funston, Truby, Tuxedo, Hamlin, Albany, 
Clyde, Eula, Dudley, Baird, and Cross Plains
252 AM CST Fri Jan 15 2021

...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 6 PM CST
THIS EVENING...

* WHAT...Northwest winds 25 to 35 mph with gusts up to 45 mph 
  expected.

* WHERE...Haskell, Throckmorton, Jones, Shackelford and Callahan 
  Counties.

* WHEN...From 10 AM this morning to 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...

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.

&&

$$

SJH

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.