Alert archive / Texas / Mesoscale Discussions in 2014

Mesoscale Discussion 1137

June 24, 201428 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 24, 2014, 11:34 AM CDT for 28 counties in Texas. It was in force for 116 min.

The area

The outline as issued.

The facts

Issued: Jun 24, 2014, 11:34 AM CDT (16:34 UTC)
Expired: Jun 24, 2014, 1:30 PM CDT
In force: 116 min
Issued by: the Storm Prediction Center
Chance of a watch: 20%

All 28 counties

Archer County, TX, Baylor County, TX, Brown County, TX, Callahan County, TX, Coleman County, TX, Comanche County, TX, Cottle County, TX, Dickens County, TX, Eastland County, TX, Erath County, TX, Fisher County, TX, Foard County, TX, Hardeman County, TX, Haskell County, TX, Jack County, TX, Jones County, TX, Kent County, TX, King County, TX, Knox County, TX, Palo Pinto County, TX, Parker County, TX, Shackelford County, TX, Stephens County, TX, Stonewall County, TX, Taylor County, TX, Throckmorton County, TX, Wilbarger County, TX, Young County, TX

The radar

The Dyess AFB radar (KDYX), 91 km from the middle of the area, began a volume at 16:37 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

Fort Worth, TX (KFWD), launched 12:00Z, 4.6 hours before the alert went out and 227 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: 852 J/kg
Mixed-layer CIN: -62 J/kg
Mixed-layer LCL: 1060 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 91 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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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 23, 9:35 PM CDT	Mesoscale Discussion	SPC	Andrews, Crane, Culberson, Ector, Gaines, Glasscock and 10 more	115 min
Jun 24, 2:06 PM CDT	Mesoscale Discussion	SPC	Dallam, Hartley, Moore, Oldham, Sherman	114 min
Jun 24, 3:11 PM CDT	Severe Thunderstorm Watch	SPC	Dallam, Hansford, Hartley, Hemphill, Hutchinson, Lipscomb and 4 more	8 hr
Jun 24, 4:35 PM CDT	Mesoscale Discussion	SPC	Anderson, Cherokee, Collin, Dallas, Denton, Ellis and 15 more	2 hr
Jun 24, 5:38 PM CDT	Mesoscale Discussion	SPC	Hemphill, Lipscomb, Ochiltree, Wheeler	97 min

Nearby

Mesoscale Discussions in Texas, 2014 Every mesoscale discussion in 2014

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.