Alert archive / Texas / Mesoscale Discussions in 2003

Mesoscale Discussion 1294

June 10, 200321 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 10, 2003, 8:46 AM CDT for 21 counties in Texas. It was in force for 119 min.

The area

The outline as issued.

The facts

Issued: Jun 10, 2003, 8:46 AM CDT (13:46 UTC)
Expired: Jun 10, 2003, 10:45 AM CDT
In force: 119 min
Issued by: the Storm Prediction Center

All 21 counties

Aransas County, TX, Bee County, TX, Brooks County, TX, Calhoun County, TX, DeWitt County, TX, Duval County, TX, Goliad County, TX, Gonzales County, TX, Jackson County, TX, Jim Wells County, TX, Karnes County, TX, Kleberg County, TX, Lavaca County, TX, Live Oak County, TX, Matagorda County, TX, McMullen County, TX, Nueces County, TX, Refugio County, TX, San Patricio County, TX, Victoria County, TX, Wharton County, TX

The radar

The Corpus Christi radar (KCRP), 56 km from the middle of the area, began a volume at 13:46 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

Del Rio, TX (KDRT), launched 12:00Z, 1.8 hours before the alert went out and 320 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: 220 J/kg
Mixed-layer CIN: -268 J/kg
Mixed-layer LCL: 954 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 161 m²/s²
0-3 km storm-relative helicity: 313 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 9, 7:35 PM CDT	Mesoscale Discussion	SPC	Armstrong, Briscoe, Carson, Castro, Cochran, Crosby and 20 more	115 min
Jun 9, 8:13 PM CDT	Mesoscale Discussion	SPC	Andrews, Brewster, Crane, Dawson, Ector, Gaines and 12 more	92 min
Jun 9, 8:30 PM CDT	Severe Thunderstorm Watch	SPC	Andrews, Borden, Crane, Dawson, Ector, Gaines and 14 more	6 hr
Jun 9, 9:00 PM CDT	Mesoscale Discussion	SPC	Collingsworth, Hemphill, Lipscomb, Wheeler	60 min
Jun 9, 10:56 PM CDT	Mesoscale Discussion	SPC	Borden, Crane, Crockett, Crosby, Dawson, Ector and 18 more	2 hr

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.