Alert archive / Texas / Mesoscale Discussions in 2004

Mesoscale Discussion 1206

June 11, 200421 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 11, 2004, 10:50 PM CDT for 21 counties in Texas. It was in force for 85 min.

The area

The outline as issued.

The facts

Issued: Jun 11, 2004, 10:50 PM CDT (03:50 UTC)
Expired: Jun 12, 2004, 12:15 AM CDT
In force: 85 min
Issued by: the Storm Prediction Center

All 21 counties

Archer County, TX, Baylor County, TX, Callahan County, TX, Coke County, TX, Coleman County, TX, Fisher County, TX, Glasscock County, TX, Haskell County, TX, Jones County, TX, Knox County, TX, Mitchell County, TX, Nolan County, TX, Runnels County, TX, Scurry County, TX, Shackelford County, TX, Stephens County, TX, Sterling County, TX, Stonewall County, TX, Taylor County, TX, Throckmorton County, TX, Young County, TX

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 3.8 hours before the alert went out and 211 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 4336 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 4 m²/s²
0-3 km storm-relative helicity: 31 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 11, 8:17 PM CDT	Mesoscale Discussion	SPC	Baylor, Coke, Cottle, Fisher, Foard, Glasscock and 15 more	88 min
Jun 11, 10:54 PM CDT	Mesoscale Discussion	SPC	Archer, Baylor, Callahan, Coke, Coleman, Fisher and 15 more	96 min
Jun 12, 1:12 PM CDT	Mesoscale Discussion	SPC	Archer, Baylor, Clay, Jack, Knox, Montague and 5 more	2 hr
Jun 12, 2:40 PM CDT	Tornado Watch	SPC	Archer, Baylor, Childress, Clay, Cottle, Dickens and 12 more	8 hr
Jun 12, 3:08 PM CDT	Mesoscale Discussion	SPC	Borden, Coke, Crane, Crockett, Fisher, Glasscock and 11 more	2 hr
Jun 12, 3:25 PM CDT	Tornado Watch	SPC	Brewster, Callahan, Coke, Concho, Crockett, Fisher and 19 more	6 hr
Jun 12, 5:37 PM CDT	Mesoscale Discussion	SPC	Archer, Baylor, Childress, Clay, Cottle, Dickens and 12 more	83 min
Jun 12, 6:10 PM CDT	Mesoscale Discussion	SPC	Brewster, Callahan, Coke, Coleman, Concho, Crockett and 20 more	95 min

Nearby

Mesoscale Discussions in Texas, 2004 Every mesoscale discussion in 2004

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.