Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 166, NWS San Angelo, TX

July 11, 2021Concho County, Tom Green County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Jul 11, 2021, 6:11 PM CDT for Concho County, Tom Green County, Texas. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 11, 2021, 6:11 PM CDT (23:11 UTC)
Expired: Jul 11, 2021, 7:00 PM CDT
In force: 49 min
Issued by: NWS San Angelo, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Concho County, TX, Tom Green County, TX

The radar

The San Angelo radar (KSJT), 38 km from the middle of the area, began a volume at 23:13 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, 11.2 hours before the alert went out and 212 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 964 J/kg
Mixed-layer CIN: -244 J/kg
Mixed-layer LCL: 1122 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 1 m²/s²
0-3 km storm-relative helicity: 34 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

As transmitted.

493 
WUUS54 KSJT 112311
SVRSJT
TXC095-451-120000-
/O.NEW.KSJT.SV.W.0166.210711T2311Z-210712T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service San Angelo TX
611 PM CDT Sun Jul 11 2021

The National Weather Service in San Angelo has issued a

* Severe Thunderstorm Warning for...
  Southeastern Tom Green County in west central Texas...
  Southwestern Concho County in west central Texas...

* Until 700 PM CDT.

* At 611 PM CDT, a severe thunderstorm was located near Vancourt, 
  and another was located near Eola. Both storms were nearly 
  stationary.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* This severe thunderstorm will be near...
  Vancourt around 700 PM CDT.

Other locations impacted by this severe thunderstorm include Vick.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3117 9998 3115 10031 3133 10031 3144 10010
      3144 9995
TIME...MOT...LOC 2311Z 160DEG 0KT 3126 10022 

HAIL...1.00IN
WIND...60MPH
 
$$

SJH

1 follow-up statement

448 
WWUS54 KSJT 112325
SVSSJT

Severe Weather Statement
National Weather Service San Angelo TX
625 PM CDT Sun Jul 11 2021

TXC095-451-120000-
/O.CON.KSJT.SV.W.0166.000000T0000Z-210712T0000Z/
Tom Green TX-Concho TX-
625 PM CDT Sun Jul 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR SOUTHEASTERN TOM GREEN AND SOUTHWESTERN CONCHO COUNTIES...

At 624 PM CDT, a severe thunderstorm was located near Vancourt, and 
another was located near Eola. Both storms were nearly stationary.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

This severe storm will be near...
  Eola and Vancourt around 624 PM CDT.

Other locations impacted by this severe thunderstorm include Vick.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3117 9998 3115 10031 3133 10031 3144 10010
      3144 9995
TIME...MOT...LOC 2324Z 160DEG 0KT 3126 10022 

HAIL...1.00IN
WIND...60MPH
 
$$

SJH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 11, 2:37 AM CDT	Special Weather Statement	SJT	Haskell, Throckmorton	53 min
Jul 11, 3:29 AM CDT	Special Weather Statement	SJT	Haskell, Throckmorton	46 min
Jul 11, 3:33 AM CDT	Severe Thunderstorm Warning	SJT	Throckmorton	42 min
Jul 11, 4:03 AM CDT	Special Weather Statement	SJT	Shackelford	42 min
Jul 11, 4:08 AM CDT	Severe Thunderstorm Warning	SJT	Shackelford	41 min
Jul 11, 4:17 AM CDT	Special Weather Statement	SJT	Haskell	58 min
Jul 11, 4:24 AM CDT	Severe Thunderstorm Warning	SJT	Haskell	66 min
Jul 11, 5:20 AM CDT	Special Weather Statement	SJT	Jones	25 min
Jul 11, 5:47 AM CDT	Areal Flood Advisory	SJT	Haskell	3 hr
Jul 11, 6:08 AM CDT	Special Weather Statement	SJT	Jones	52 min
Jul 11, 6:31 AM CDT	Areal Flood Advisory	SJT	Jones, Taylor	89 min
Jul 11, 7:01 AM CDT	Severe Thunderstorm Warning	SJT	Taylor	30 min
Jul 11, 5:28 PM CDT	Special Weather Statement	SJT	Irion	47 min
Jul 11, 5:34 PM CDT	Special Weather Statement	SJT	Sterling	41 min
Jul 11, 5:36 PM CDT	Areal Flood Advisory	SJT	Concho	54 min
Jul 11, 5:41 PM CDT	Areal Flood Advisory	SJT	Sterling	64 min
Jul 11, 6:01 PM CDT	Special Weather Statement	SJT	Concho	44 min
Jul 11, 6:07 PM CDT	Areal Flood Advisory	SJT	Irion	53 min
Jul 11, 6:20 PM CDT	Special Weather Statement	SJT	Sterling	40 min
Jul 11, 6:21 PM CDT	Areal Flood Advisory	SJT	Concho, Tom Green	3 hr
Jul 11, 6:43 PM CDT	Special Weather Statement	SJT	Tom Green	47 min
Jul 11, 6:54 PM CDT	Areal Flood Advisory	SJT	Coke, Sterling, Tom Green	3 hr
Jul 11, 6:57 PM CDT	Severe Thunderstorm Warning	SJT	Tom Green	14 min
Jul 11, 6:58 PM CDT	Areal Flood Advisory	SJT	Coleman, Concho, McCulloch	62 min

Nearby

Severe Thunderstorm Warnings in Texas, 2021 Every severe thunderstorm warning 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.