Alert archive / Texas / Mesoscale Discussions in 2004

Mesoscale Discussion 1038

June 1, 200461 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 1, 2004, 2:43 PM CDT for 61 counties in Texas. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Jun 1, 2004, 2:43 PM CDT (19:43 UTC)
Expired
Jun 1, 2004, 4:45 PM CDT
In force
2 hr
Issued by
the Storm Prediction Center
All 61 counties

Anderson County, TX, Bastrop County, TX, Bell County, TX, Blanco County, TX, Bosque County, TX, Brazos County, TX, Brown County, TX, Burleson County, TX, Burnet County, TX, Callahan County, TX, Coleman County, TX, Collin County, TX, Comanche County, TX, Coryell County, TX, Dallas County, TX, Denton County, TX, Eastland County, TX, Ellis County, TX, Erath County, TX, Falls County, TX, Freestone County, TX, Grimes County, TX, Hamilton County, TX, Henderson County, TX, Hill County, TX, Hood County, TX, Houston County, TX, Hunt County, TX, Jack County, TX, Johnson County, TX, Kaufman County, TX, Lampasas County, TX, Lee County, TX, Leon County, TX, Limestone County, TX, Llano County, TX, Madison County, TX, Mason County, TX, McCulloch County, TX, McLennan County, TX, Milam County, TX, Mills County, TX, Navarro County, TX, Palo Pinto County, TX, Parker County, TX, Rains County, TX, Robertson County, TX, Rockwall County, TX, San Saba County, TX, Smith County, TX, Somervell County, TX, Stephens County, TX, Tarrant County, TX, Travis County, TX, Van Zandt County, TX, Walker County, TX, Washington County, TX, Williamson County, TX, Wise County, TX, Wood County, TX, Young County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 100 km from the middle of the area, began a volume at 19:56 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 7.7 hours before the alert went out and 128 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 12:00Z on 2004-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 54 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 12:00Z on 2004-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 square meters per square second.193958Sfc1 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
54 J/kg
Mixed-layer CIN
-449 J/kg
Mixed-layer LCL
1825 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
14 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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
May 31, 9:45 PM CDTSevere Thunderstorm WatchSPCAnderson, Bell, Brazos, Cherokee, Ellis, Falls and 19 more4 hr
May 31, 11:15 PM CDTSevere Thunderstorm WatchSPCAustin, Brazoria, Brazos, Chambers, Colorado, Fort Bend and 6 more3 hr
May 31, 11:31 PM CDTMesoscale DiscussionSPCAnderson, Austin, Bell, Brazoria, Brazos, Burleson and 33 more59 min
Jun 1, 1:35 AM CDTSevere Thunderstorm WatchSPCAnderson, Angelina, Bastrop, Bell, Blanco, Brazos and 49 more5 hr
Jun 1, 3:41 AM CDTMesoscale DiscussionSPCAnderson, Angelina, Bastrop, Bell, Blanco, Brazos and 50 more94 min
Jun 1, 6:42 AM CDTMesoscale DiscussionSPCAngelina, Houston, Jasper, Nacogdoches, Newton, Panola and 6 more2 hr
Jun 1, 3:50 PM CDTTornado WatchSPCArcher, Bandera, Baylor, Blanco, Bosque, Brown and 46 more6 hr
Jun 1, 5:04 PM CDTMesoscale DiscussionSPCAnderson, Collin, Dallas, Delta, Denton, Ellis and 22 more86 min
Jun 1, 5:20 PM CDTTornado WatchSPCBell, Collin, Cooke, Dallas, Delta, Denton and 22 more5 hr
Jun 1, 6:59 PM CDTMesoscale DiscussionSPCAngelina, Austin, Bastrop, Brazos, Burleson, Caldwell and 25 more91 min

Nearby

Mesoscale Discussions in Texas, 2004Every 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; radar from the NEXRAD Level II archive.