Alert archive / Texas / Mesoscale Discussions in 2003

Mesoscale Discussion 1343

June 11, 200335 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 11, 2003, 11:10 PM CDT for 35 counties in Texas. It was in force for 65 min.

The area

The outline as issued.

The facts

Issued
Jun 11, 2003, 11:10 PM CDT (04:10 UTC)
Expired
Jun 12, 2003, 12:15 AM CDT
In force
65 min
Issued by
the Storm Prediction Center
All 35 counties

Archer County, TX, Baylor County, TX, Brown County, TX, Callahan County, TX, Clay County, TX, Coleman County, TX, Comanche County, TX, Concho County, TX, Cooke County, TX, Eastland County, TX, Edwards County, TX, Erath County, TX, Jack County, TX, Kimble County, TX, Kinney County, TX, Mason County, TX, McCulloch County, TX, Menard County, TX, Mills County, TX, Montague County, TX, Palo Pinto County, TX, Parker County, TX, Real County, TX, Runnels County, TX, San Saba County, TX, Schleicher County, TX, Shackelford County, TX, Stephens County, TX, Sutton County, TX, Taylor County, TX, Throckmorton County, TX, Tom Green County, TX, Val Verde County, TX, Wise County, TX, Young County, TX

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 4.2 hours before the alert went out and 244 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-pSkew-T log-p diagram, Fort Worth, TX at 00:00Z on 2003-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4924 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 00:00Z on 2003-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
4924 J/kg
Mixed-layer CIN
-37 J/kg
Mixed-layer LCL
1353 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
121 m²/s²
Significant tornado parameter
0.8
Supercell composite
7.0

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.

IssuedProductOfficeCountiesLasted
Jun 11, 7:13 PM CDTMesoscale DiscussionSPCBorden, Callahan, Coke, Coleman, Concho, Crockett and 29 more62 min
Jun 11, 8:04 PM CDTMesoscale DiscussionSPCBell, Blanco, Bosque, Brown, Burnet, Caldwell and 27 more86 min
Jun 11, 8:15 PM CDTTornado WatchSPCArcher, Baylor, Brown, Callahan, Clay, Coleman and 29 more6 hr
Jun 11, 9:15 PM CDTSevere Thunderstorm WatchSPCBell, Bosque, Collin, Coryell, Dallas, Denton and 19 more5 hr
Jun 11, 11:49 PM CDTMesoscale DiscussionSPCBell, Bosque, Collin, Coryell, Dallas, Denton and 20 more86 min
Jun 12, 12:14 AM CDTMesoscale DiscussionSPCBowie, Camp, Cass, Franklin, Marion, Morris and 3 more2 hr
Jun 12, 12:30 AM CDTMesoscale DiscussionSPCAnderson, Angelina, Austin, Brazos, Burleson, Camp and 34 more2 hr
Jun 12, 1:10 AM CDTSevere Thunderstorm WatchSPCAnderson, Angelina, Austin, Bowie, Brazoria, Brazos and 39 more4 hr
Jun 12, 1:30 AM CDTMesoscale DiscussionSPCArcher, Baylor, Clay, Cooke, Denton, Foard and 16 more2 hr
Jun 12, 4:20 AM CDTMesoscale DiscussionSPCAngelina, Austin, Brazoria, Cass, Colorado, Fort Bend and 21 more55 min
Jun 12, 1:31 PM CDTMesoscale DiscussionSPCBrazos, Burleson, Grimes, Jasper, Montgomery, Newton and 5 more119 min
Jun 12, 1:56 PM CDTMesoscale DiscussionSPCBrown, Callahan, Coleman, Comanche, Concho, Eastland and 11 more2 hr
Jun 12, 3:30 PM CDTSevere Thunderstorm WatchSPCArcher, Baylor, Bosque, Brown, Callahan, Childress and 29 more6 hr
Jun 12, 5:59 PM CDTMesoscale DiscussionSPCArmstrong, Carson, Dallam, Deaf Smith, Donley, Gray and 11 more91 min

Nearby

Mesoscale Discussions in Texas, 2003Every 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.