Alert archive / Texas / Mesoscale Discussions in 2014

Mesoscale Discussion 715

May 26, 201429 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 26, 2014, 6:02 PM CDT for 29 counties in Texas. It was in force for 88 min.

The area

The outline as issued.

The facts

Issued: May 26, 2014, 6:02 PM CDT (23:02 UTC)
Expired: May 26, 2014, 7:30 PM CDT
In force: 88 min
Issued by: the Storm Prediction Center

All 29 counties

Borden County, TX, Coke County, TX, Crockett County, TX, Crosby County, TX, Dawson County, TX, Dickens County, TX, Fisher County, TX, Garza County, TX, Glasscock County, TX, Howard County, TX, Irion County, TX, Kent County, TX, King County, TX, Lubbock County, TX, Lynn County, TX, Martin County, TX, Midland County, TX, Mitchell County, TX, Nolan County, TX, Reagan County, TX, Schleicher County, TX, Scurry County, TX, Sterling County, TX, Stonewall County, TX, Sutton County, TX, Terrell County, TX, Tom Green County, TX, Upton County, TX, Val Verde County, TX

The radar

The San Angelo radar (KSJT), 86 km from the middle of the area, began a volume at 23:05 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

Midland Regional, TX (KMAF), launched 12:00Z, 11.0 hours before the alert went out and 93 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: 998 J/kg
Mixed-layer CIN: -109 J/kg
Mixed-layer LCL: 581 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 58 m²/s²
0-3 km storm-relative helicity: 63 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 1.6

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
May 25, 7:13 PM CDT	Mesoscale Discussion	SPC	Andrews, Armstrong, Bailey, Carson, Castro, Cochran and 18 more	92 min
May 25, 9:54 PM CDT	Mesoscale Discussion	SPC	Andrews, Bailey, Cochran, Gaines, Hale, Hockley and 3 more	66 min
May 26, 4:07 AM CDT	Mesoscale Discussion	SPC	Atascosa, Bee, DeWitt, Goliad, Karnes, Victoria	113 min
May 26, 10:09 AM CDT	Mesoscale Discussion	SPC	Atascosa, Bastrop, Bee, Bexar, Blanco, Caldwell and 20 more	66 min
May 26, 2:44 PM CDT	Mesoscale Discussion	SPC	Andrews, Borden, Coke, Crockett, Crosby, Dawson and 22 more	61 min
May 26, 3:03 PM CDT	Tornado Watch	SPC	Andrews, Borden, Coke, Coleman, Concho, Cottle and 44 more	8 hr
May 26, 3:29 PM CDT	Mesoscale Discussion	SPC	Aransas, Brazoria, Calhoun, Chambers, Fort Bend, Galveston and 8 more	61 min
May 26, 3:50 PM CDT	Tornado Watch	SPC	Aransas, Bee, Brazoria, Calhoun, Chambers, Fort Bend and 11 more	4 hr
May 26, 5:31 PM CDT	Mesoscale Discussion	SPC	Brazoria, Chambers, Liberty, Nueces	59 min
May 26, 6:18 PM CDT	Mesoscale Discussion	SPC	Archer, Baylor, Wichita, Wilbarger	87 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.