Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS San Angelo, TX

August 1, 2021McCulloch County, Texas

NWS San Angelo, TX issued this special weather statement at Aug 1, 2021, 6:01 PM CDT for McCulloch County, Texas. It was in force for 44 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: Aug 1, 2021, 6:01 PM CDT (23:01 UTC)
Expired: Aug 1, 2021, 6:45 PM CDT
In force: 44 min
Issued by: NWS San Angelo, TX

County McCulloch County, TX

The radar

The San Angelo radar (KSJT), 110 km from the middle of the area, began a volume at 23:00 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, 11.0 hours before the alert went out and 241 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: 1723 J/kg
Mixed-layer CIN: -128 J/kg
Mixed-layer LCL: 1127 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: 18 m²/s²
0-3 km storm-relative helicity: 29 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 1, 12:44 PM CDT	Areal Flood Advisory	SJT	Mason	4 hr
Aug 1, 2:16 PM CDT	Areal Flood Advisory	SJT	Crockett	3 hr
Aug 1, 3:46 PM CDT	Areal Flood Advisory	SJT	Schleicher, Sutton	3 hr
Aug 1, 5:01 PM CDT	Areal Flood Advisory	SJT	San Saba	119 min
Aug 1, 6:18 PM CDT	Areal Flood Advisory	SJT	McCulloch	117 min

Nearby

Special Weather Statements in Texas, 2021 Every special weather statement 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.