Alert archive / Texas / Mesoscale Discussions in 2003

Mesoscale Discussion 1382

June 13, 200312 counties in Oklahoma; 16 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 13, 2003, 9:59 PM CDT for 12 counties in Oklahoma; 16 counties in Texas. It was in force for 61 min.

The area

The outline as issued.

The facts

Issued: Jun 13, 2003, 9:59 PM CDT (02:59 UTC)
Expired: Jun 13, 2003, 11:00 PM CDT
In force: 61 min
Issued by: the Storm Prediction Center

All 28 counties

Beckham County, OK, Caddo County, OK, Comanche County, OK, Custer County, OK, Dewey County, OK, Greer County, OK, Harmon County, OK, Jackson County, OK, Kiowa County, OK, Roger Mills County, OK, Tillman County, OK, Washita County, OK, Armstrong County, TX, Briscoe County, TX, Carson County, TX, Childress County, TX, Collingsworth County, TX, Donley County, TX, Gray County, TX, Hall County, TX, Hemphill County, TX, Hutchinson County, TX, Moore County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Swisher County, TX, Wheeler County, TX

The radar

The Amarillo radar (KAMA), 127 km from the middle of the area, began a volume at 02:58 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 00:00Z, 3.0 hours before the alert went out and 126 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: 1597 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 1565 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: -17 m²/s²
0-3 km storm-relative helicity: 14 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.5

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, 7:05 PM CDT	Severe Thunderstorm Watch	SPC	Caddo, Canadian, Cleveland, Creek, Grady, Hughes and 14 more	5 hr
Jun 13, 7:34 PM CDT	Mesoscale Discussion	SPC	Beckham, Blaine, Cimarron, Comanche, Custer, Dewey and 10 more	86 min
Jun 13, 8:10 PM CDT	Severe Thunderstorm Watch	SPC	Beckham, Blaine, Comanche, Custer, Greer, Harmon and 5 more	4 hr
Jun 14, 10:49 AM CDT	Mesoscale Discussion	SPC	Beckham, Blaine, Caddo, Custer, Dewey, Ellis and 9 more	3 hr
Jun 13, 7:35 PM CDT	Severe Thunderstorm Watch	SPC	Austin, Brazoria, Calhoun, Chambers, Colorado, Fort Bend and 12 more	4 hr
Jun 13, 8:09 PM CDT	Mesoscale Discussion	SPC	Aransas, Atascosa, Bee, Calhoun, DeWitt, Duval and 15 more	96 min
Jun 13, 8:30 PM CDT	Mesoscale Discussion	SPC	Andrews, Bailey, Borden, Castro, Cochran, Coke and 29 more	90 min
Jun 13, 11:00 PM CDT	Mesoscale Discussion	SPC	Brooks, Cameron, Hidalgo, Jim Hogg, Kenedy, Starr and 2 more	60 min
Jun 14, 2:41 PM CDT	Mesoscale Discussion	SPC	Culberson, Loving, Pecos, Reeves, Ward, Winkler	109 min

Nearby

Mesoscale Discussions in Texas, 2003 Mesoscale Discussions in Oklahoma, 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; radar from the NEXRAD Level II archive.