Alert archive / Texas / Mesoscale Discussions in 2003

Mesoscale Discussion 1250

June 6, 200316 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 6, 2003, 2:20 AM CDT for 16 counties in Texas. It was in force for 55 min.

The area

The outline as issued.

The facts

Issued: Jun 6, 2003, 2:20 AM CDT (07:20 UTC)
Expired: Jun 6, 2003, 3:15 AM CDT
In force: 55 min
Issued by: the Storm Prediction Center

Counties Burnet County, TX, Concho County, TX, Crockett County, TX, Edwards County, TX, Gillespie County, TX, Irion County, TX, Kimble County, TX, Lampasas County, TX, Llano County, TX, Mason County, TX, McCulloch County, TX, Menard County, TX, San Saba County, TX, Schleicher County, TX, Sutton County, TX, Tom Green County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 7.3 hours before the alert went out and 159 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: 1508 J/kg
Mixed-layer CIN: -83 J/kg
Mixed-layer LCL: 1504 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: -11 m²/s²
0-3 km storm-relative helicity: 53 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

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 5, 7:36 PM CDT	Mesoscale Discussion	SPC	Andrews, Bailey, Borden, Briscoe, Castro, Childress and 23 more	84 min
Jun 5, 7:55 PM CDT	Severe Thunderstorm Watch	SPC	Andrews, Bailey, Borden, Briscoe, Cochran, Crosby and 20 more	5 hr
Jun 5, 11:07 PM CDT	Mesoscale Discussion	SPC	Andrews, Borden, Coke, Crane, Dawson, Ector and 11 more	83 min
Jun 5, 11:55 PM CDT	Severe Thunderstorm Watch	SPC	Coke, Crane, Ector, Glasscock, Howard, Irion and 9 more	4 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.