Alert archive / Texas / Mesoscale Discussions in 2016

Mesoscale Discussion 925

June 14, 2016Cottle County, Foard County, Hardeman County, Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 14, 2016, 6:56 PM CDT for Cottle County, Foard County, Hardeman County, Texas. It was in force for 94 min.

The area

The outline as issued.

The facts

Issued: Jun 14, 2016, 6:56 PM CDT (23:56 UTC)
Expired: Jun 14, 2016, 8:30 PM CDT
In force: 94 min
Issued by: the Storm Prediction Center

Counties Cottle County, TX, Foard County, TX, Hardeman County, TX

The radar

The Altus AFB radar (KFDR), 116 km from the middle of the area, began a volume at 23:56 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, 11.9 hours before the alert went out and 196 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: 833 J/kg
Mixed-layer CIN: -91 J/kg
Mixed-layer LCL: 613 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 133 m²/s²
0-3 km storm-relative helicity: 128 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 5.2

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 13, 8:25 PM CDT	Mesoscale Discussion	SPC	Armstrong, Carson, Castro, Deaf Smith, Donley, Gray and 8 more	95 min
Jun 13, 10:56 PM CDT	Mesoscale Discussion	SPC	Donley, Wheeler	94 min
Jun 14, 4:02 PM CDT	Mesoscale Discussion	SPC	Archer, Baylor, Childress, Clay, Collingsworth, Cooke and 18 more	88 min
Jun 14, 5:31 PM CDT	Mesoscale Discussion	SPC	Cottle, Foard, Hardeman, Motley, Wilbarger	59 min
Jun 14, 5:51 PM CDT	Tornado Watch	SPC	Archer, Baylor, Briscoe, Childress, Cottle, Crosby and 10 more	4 hr

Nearby

Mesoscale Discussions in Texas, 2016 Every mesoscale discussion in 2016

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.