Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Amarillo, TX

September 17, 2021Lipscomb County, Texas

NWS Amarillo, TX issued this special weather statement at Sep 17, 2021, 8:38 PM CDT for Lipscomb County, Texas. It was in force for 37 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: Sep 17, 2021, 8:38 PM CDT (01:38 UTC)
Expired: Sep 17, 2021, 9:15 PM CDT
In force: 37 min
Issued by: NWS Amarillo, TX
Hail: 0.75 in
Wind: 55

County Lipscomb County, TX

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 1.6 hours before the alert went out and 158 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: 1092 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 1639 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 25 m²/s²
0-3 km storm-relative helicity: 142 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.4

Open this sounding in Storm Lab

The text

As transmitted.

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The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 17, 7:07 PM CDT	Areal Flood Advisory	AMA	Collingsworth	3 hr
Sep 17, 7:16 PM CDT	Severe Thunderstorm Warning Considerable damage threat	AMA	Collingsworth	74 min
Sep 17, 7:21 PM CDT	Special Weather Statement	AMA	Hemphill, Wheeler	24 min
Sep 17, 7:49 PM CDT	Special Weather Statement	AMA	Wheeler	26 min
Sep 17, 8:23 PM CDT	Special Weather Statement	AMA	Wheeler	37 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.