Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Lubbock, TX

August 13, 2021Motley County, Texas

NWS Lubbock, TX issued this special weather statement at Aug 13, 2021, 4:52 PM CDT for Motley County, Texas. It was in force for 23 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 13, 2021, 4:52 PM CDT (21:52 UTC)
Expired: Aug 13, 2021, 5:15 PM CDT
In force: 23 min
Issued by: NWS Lubbock, TX
Hail: 0.50 in
Wind: 55

County Motley County, TX

The radar

The Lubbock radar (KLBB), 118 km from the middle of the area, began a volume at 21:52 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 9.9 hours before the alert went out and 146 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: 74 J/kg
Mixed-layer CIN: -104 J/kg
Mixed-layer LCL: 1745 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: -12 m²/s²
0-3 km storm-relative helicity: -27 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 Lubbock, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 13, 4:14 PM CDT	Special Weather Statement	LUB	Yoakum	31 min
Aug 13, 4:50 PM CDT	Areal Flood Advisory	LUB	Childress, Hall	41 min
Aug 13, 4:58 PM CDT	Special Weather Statement	LUB	Cochran	32 min
Aug 13, 5:26 PM CDT	Special Weather Statement	LUB	Donley	34 min
Aug 13, 5:34 PM CDT	Special Weather Statement	LUB	Motley	26 min
Aug 13, 5:59 PM CDT	Special Weather Statement	LUB	Floyd	31 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.