Alert archive / Texas / Special Weather Statements in 2013

Special Weather Statement, NWS Amarillo, TX

August 12, 2013Carson County, Texas

NWS Amarillo, TX issued this special weather statement at Aug 12, 2013, 3:12 PM CDT for Carson County, Texas. It was in force for 48 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 12, 2013, 3:12 PM CDT (20:12 UTC)
Expired: Aug 12, 2013, 4:00 PM CDT
In force: 48 min
Issued by: NWS Amarillo, TX

County Carson County, TX

The radar

The Amarillo radar (KAMA), 34 km from the middle of the area, began a volume at 20:16 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

Norman, OK (KOUN), launched 12:00Z, 8.2 hours before the alert went out and 360 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: 1213 J/kg
Mixed-layer CIN: -114 J/kg
Mixed-layer LCL: 1314 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: 84 m²/s²
0-3 km storm-relative helicity: 28 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 11, 7:33 PM CDT	Special Weather Statement	AMA	Collingsworth	27 min
Aug 12, 1:31 PM CDT	Special Weather Statement	AMA	Potter	29 min
Aug 12, 2:26 PM CDT	Special Weather Statement	AMA	Potter	34 min
Aug 12, 2:55 PM CDT	Special Weather Statement	AMA	Collingsworth	35 min
Aug 12, 3:16 PM CDT	Special Weather Statement	AMA	Donley	44 min
Aug 12, 3:20 PM CDT	Special Weather Statement	AMA	Potter	40 min
Aug 12, 3:42 PM CDT	Areal Flood Advisory	AMA	Collingsworth, Donley	3 hr
Aug 12, 3:46 PM CDT	Special Weather Statement	AMA	Hartley	44 min
Aug 12, 3:59 PM CDT	Special Weather Statement	AMA	Moore	31 min
Aug 12, 4:01 PM CDT	Special Weather Statement	AMA	Donley	29 min
Aug 12, 4:14 PM CDT	Special Weather Statement	AMA	Donley	46 min
Aug 12, 4:28 PM CDT	Special Weather Statement	AMA	Gray	32 min
Aug 12, 4:55 PM CDT	Special Weather Statement	AMA	Hemphill	35 min
Aug 12, 5:22 PM CDT	Special Weather Statement	AMA	Armstrong, Donley	53 min
Aug 12, 5:37 PM CDT	Special Weather Statement	AMA	Wheeler	23 min
Aug 12, 5:50 PM CDT	Special Weather Statement	AMA	Ochiltree	25 min
Aug 12, 5:59 PM CDT	Special Weather Statement	AMA	Randall	31 min
Aug 12, 4:21 PM CDT	Special Weather Statement	AMA	Texas	39 min
Aug 12, 5:26 PM CDT	Areal Flood Advisory	AMA	Texas	3 hr

Nearby

Special Weather Statements in Texas, 2013 Every special weather statement in 2013

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.