Alert archive / Texas / Mesoscale Discussions in 2003

Mesoscale Discussion 1112

May 25, 20036 counties in Oklahoma; 38 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 25, 2003, 1:11 AM CDT for 6 counties in Oklahoma; 38 counties in Texas. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
May 25, 2003, 1:11 AM CDT (06:11 UTC)
Expired
May 25, 2003, 3:15 AM CDT
In force
2 hr
Issued by
the Storm Prediction Center
All 44 counties

Cotton County, OK, Jackson County, OK, Jefferson County, OK, Love County, OK, Marshall County, OK, Tillman County, OK, Anderson County, TX, Archer County, TX, Baylor County, TX, Clay County, TX, Collin County, TX, Cooke County, TX, Dallas County, TX, Delta County, TX, Denton County, TX, Ellis County, TX, Fannin County, TX, Freestone County, TX, Grayson County, TX, Henderson County, TX, Hill County, TX, Hood County, TX, Hopkins County, TX, Hunt County, TX, Jack County, TX, Johnson County, TX, Kaufman County, TX, Montague County, TX, Navarro County, TX, Palo Pinto County, TX, Parker County, TX, Rains County, TX, Rockwall County, TX, Smith County, TX, Somervell County, TX, Stephens County, TX, Tarrant County, TX, Throckmorton County, TX, Van Zandt County, TX, Wichita County, TX, Wilbarger County, TX, Wise County, TX, Wood County, TX, Young County, TX

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 00:00Z, 6.2 hours before the alert went out and 44 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 2003-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3246 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 2003-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 square meters per square second.1939Sfc1 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
3246 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
1342 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
2 m²/s²
0-3 km storm-relative helicity
7 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.

IssuedProductOfficeCountiesLasted
May 24, 8:10 PM CDTMesoscale DiscussionSPCCimarron35 min
May 24, 8:22 PM CDTMesoscale DiscussionSPCBeckham, Cotton, Greer, Harmon, Jackson, Tillman23 min
May 24, 8:40 PM CDTSevere Thunderstorm WatchSPCCaddo, Comanche, Cotton, Greer, Harmon, Jackson and 2 more5 hr
May 24, 9:32 PM CDTMesoscale DiscussionSPCBryan, Carter, Love, Marshall118 min
May 24, 10:05 PM CDTMesoscale DiscussionSPCComanche, Cotton, Greer, Harmon, Jackson, Kiowa and 1 more85 min
May 24, 11:32 PM CDTMesoscale DiscussionSPCComanche, Cotton, Grady, Greer, Harmon, Jackson and 2 more118 min
May 25, 1:35 AM CDTSevere Thunderstorm WatchSPCBeckham, Bryan, Caddo, Carter, Choctaw, Comanche and 16 more6 hr
May 25, 3:42 AM CDTMesoscale DiscussionSPCJefferson, Love2 hr
May 24, 10:20 PM CDTSevere Thunderstorm WatchSPCCollin, Dallas, Denton, Ellis, Henderson, Hunt and 8 more6 hr
May 25, 1:10 PM CDTMesoscale DiscussionSPCAndrews, Crane, Crockett, Ector, Gaines, Loving and 9 more95 min
May 25, 4:20 PM CDTMesoscale DiscussionSPCCulberson, Loving, Pecos, Reeves, Ward, Winkler85 min
May 25, 4:35 PM CDTSevere Thunderstorm WatchSPCBrewster, Crane, Loving, Pecos, Reeves, Terrell and 2 more6 hr
May 25, 5:06 PM CDTMesoscale DiscussionSPCBell, Burnet, Crockett, Culberson, Falls, Houston and 18 more114 min
May 25, 6:19 PM CDTMesoscale DiscussionSPCConcho, Crockett, Edwards, Irion, Kerr, Kimble and 9 more86 min

Nearby

Mesoscale Discussions in Texas, 2003Mesoscale Discussions in Oklahoma, 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.