Alert archive / Texas / Mesoscale Discussions in 2003

Mesoscale Discussion 1104

May 24, 200314 counties in Oklahoma; 27 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 24, 2003, 5:39 PM CDT for 14 counties in Oklahoma; 27 counties in Texas. It was in force for 96 min.

The area

The outline as issued.

The facts

Issued
May 24, 2003, 5:39 PM CDT (22:39 UTC)
Expired
May 24, 2003, 7:15 PM CDT
In force
96 min
Issued by
the Storm Prediction Center
All 41 counties

Beckham County, OK, Caddo County, OK, Comanche County, OK, Cotton County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Greer County, OK, Harmon County, OK, Jackson County, OK, Kiowa County, OK, Roger Mills County, OK, Tillman County, OK, Washita County, OK, Armstrong County, TX, Bailey County, TX, Carson County, TX, Castro County, TX, Cochran County, TX, Dallam County, TX, Deaf Smith County, TX, Foard County, TX, Gray County, TX, Hansford County, TX, Hardeman County, TX, Hartley County, TX, Hemphill County, TX, Hutchinson County, TX, Lamb County, TX, Lipscomb County, TX, Moore County, TX, Ochiltree County, TX, Oldham County, TX, Parmer County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Sherman County, TX, Swisher County, TX, Wichita County, TX, Wilbarger 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 10.7 hours before the alert went out and 160 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, Amarillo Airport, TX at 12:00Z on 2003-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 40 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, Amarillo Airport, TX at 12:00Z on 2003-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 149 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
40 J/kg
Mixed-layer CIN
-384 J/kg
Mixed-layer LCL
1782 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
149 m²/s²
0-3 km storm-relative helicity
181 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 23, 7:08 PM CDTMesoscale DiscussionSPCCimarron67 min
May 24, 1:03 AM CDTMesoscale DiscussionSPCBeaver, Beckham, Comanche, Custer, Dewey, Ellis and 10 more117 min
May 24, 5:33 AM CDTMesoscale DiscussionSPCAlfalfa, Blaine, Caddo, Canadian, Cleveland, Comanche and 18 more117 min
May 24, 9:24 AM CDTMesoscale DiscussionSPCAtoka, Cherokee, Coal, Creek, Haskell, Hughes and 14 more2 hr
May 24, 9:30 AM CDTSevere Thunderstorm WatchSPCAtoka, Choctaw, Coal, Creek, Haskell, Hughes and 15 more5 hr
May 24, 11:27 AM CDTMesoscale DiscussionSPCAtoka, Choctaw, Haskell, Latimer, Pushmataha93 min
May 24, 3:05 PM CDTSevere Thunderstorm WatchSPCCimarron6 hr
May 24, 3:19 PM CDTMesoscale DiscussionSPCHarmon86 min
May 24, 5:57 PM CDTMesoscale DiscussionSPCCimarron93 min
May 24, 1:05 PM CDTMesoscale DiscussionSPCArmstrong, Carson, Castro, Dallam, Deaf Smith, Gray and 7 more2 hr
May 24, 3:25 PM CDTSevere Thunderstorm WatchSPCArmstrong, Bailey, Briscoe, Carson, Castro, Childress and 33 more6 hr
May 24, 5:17 PM CDTMesoscale DiscussionSPCArcher, Bosque, Collin, Dallas, Denton, Eastland and 20 more88 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.