Alert archive / Texas / Mesoscale Discussions in 2003

Mesoscale Discussion 1380

June 13, 200321 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 13, 2003, 8:09 PM CDT for 21 counties in Texas. It was in force for 96 min.

The area

The outline as issued.

The facts

Issued: Jun 13, 2003, 8:09 PM CDT (01:09 UTC)
Expired: Jun 13, 2003, 9:45 PM CDT
In force: 96 min
Issued by: the Storm Prediction Center

All 21 counties

Aransas County, TX, Atascosa County, TX, Bee County, TX, Calhoun County, TX, DeWitt County, TX, Duval County, TX, Frio County, TX, Goliad County, TX, Jackson County, TX, Jim Wells County, TX, Karnes County, TX, La Salle County, TX, Live Oak County, TX, McMullen County, TX, Medina County, TX, Nueces County, TX, Refugio County, TX, San Patricio County, TX, Victoria County, TX, Webb County, TX, Wilson County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 1.2 hours before the alert went out and 116 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: 3720 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 849 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 71 m²/s²
0-3 km storm-relative helicity: 56 m²/s²
Significant tornado parameter: 1.7
Supercell composite: 6.3

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 13, 7:34 PM CDT	Mesoscale Discussion	SPC	Armstrong, Carson, Childress, Collingsworth, Dallam, Deaf Smith and 15 more	86 min
Jun 13, 7:35 PM CDT	Severe Thunderstorm Watch	SPC	Austin, Brazoria, Calhoun, Chambers, Colorado, Fort Bend and 12 more	4 hr
Jun 13, 8:10 PM CDT	Severe Thunderstorm Watch	SPC	Armstrong, Briscoe, Carson, Childress, Collingsworth, Donley and 10 more	4 hr
Jun 13, 8:30 PM CDT	Mesoscale Discussion	SPC	Andrews, Bailey, Borden, Castro, Cochran, Coke and 29 more	90 min
Jun 13, 9:59 PM CDT	Mesoscale Discussion	SPC	Armstrong, Briscoe, Carson, Childress, Collingsworth, Donley and 10 more	61 min
Jun 13, 11:00 PM CDT	Mesoscale Discussion	SPC	Brooks, Cameron, Hidalgo, Jim Hogg, Kenedy, Starr and 2 more	60 min
Jun 14, 10:49 AM CDT	Mesoscale Discussion	SPC	Childress, Collingsworth, Donley, Gray, Hall, Hardeman and 5 more	3 hr
Jun 14, 2:41 PM CDT	Mesoscale Discussion	SPC	Culberson, Loving, Pecos, Reeves, Ward, Winkler	109 min

Nearby

Mesoscale Discussions in Texas, 2003 Every mesoscale discussion in 2003

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.