Alert archive / Texas / Mesoscale Discussions in 2003

Mesoscale Discussion 1514

June 26, 200310 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 26, 2003, 3:30 AM CDT for 10 counties in Texas. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Jun 26, 2003, 3:30 AM CDT (08:30 UTC)
Expired: Jun 26, 2003, 5:30 AM CDT
In force: 2 hr
Issued by: the Storm Prediction Center

Counties Bailey County, TX, Cochran County, TX, Crosby County, TX, Dickens County, TX, Floyd County, TX, Garza County, TX, Hale County, TX, Hockley County, TX, Lamb County, TX, Lubbock County, TX

The radar

The Lubbock radar (KLBB), 61 km from the middle of the area, began a volume at 08:33 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 00:00Z, 8.5 hours before the alert went out and 231 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: 2313 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 1685 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 17 m²/s²
0-3 km storm-relative helicity: 64 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.9

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 26, 1:07 PM CDT	Mesoscale Discussion	SPC	Crane, Crockett, Culberson, Loving, Pecos, Reeves and 4 more	2 hr
Jun 26, 1:35 PM CDT	Tornado Watch	SPC	Brewster, Crockett, Culberson, Jeff Davis, Pecos, Presidio and 4 more	5 hr
Jun 26, 3:50 PM CDT	Mesoscale Discussion	SPC	Brewster, Crane, Crockett, Culberson, Edwards, Jeff Davis and 9 more	55 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; radar from the NEXRAD Level II archive.