Alert archive / Texas / Mesoscale Discussions in 2003

Mesoscale Discussion 1365

June 13, 20038 counties in Oklahoma; 13 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 13, 2003, 5:11 AM CDT for 8 counties in Oklahoma; 13 counties in Texas. It was in force for 64 min.

The area

The outline as issued.

The facts

Issued
Jun 13, 2003, 5:11 AM CDT (10:11 UTC)
Expired
Jun 13, 2003, 6:15 AM CDT
In force
64 min
Issued by
the Storm Prediction Center
All 21 counties

Comanche County, OK, Cotton County, OK, Greer County, OK, Harmon County, OK, Jackson County, OK, Jefferson County, OK, Kiowa County, OK, Tillman County, OK, Archer County, TX, Baylor County, TX, Clay County, TX, Cooke County, TX, Denton County, TX, Hardeman County, TX, Jack County, TX, Montague County, TX, Parker County, TX, Tarrant County, TX, Wichita County, TX, Wilbarger County, TX, Wise County, TX

The radar

The Altus AFB radar (KFDR), 32 km from the middle of the area, began a volume at 10:13 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 nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 10.2 hours before the alert went out and 164 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, Norman, OK at 00:00Z on 2003-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1453 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, Norman, OK at 00:00Z on 2003-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -18 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
1453 J/kg
Mixed-layer CIN
-107 J/kg
Mixed-layer LCL
1232 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
-18 m²/s²
0-3 km storm-relative helicity
67 m²/s²
Significant tornado parameter
-0.1
Supercell composite
-1.3

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 12, 7:13 PM CDTMesoscale DiscussionSPCComanche, Cotton, Harmon, Jackson, Tillman92 min
Jun 13, 12:02 AM CDTMesoscale DiscussionSPCBryan, Carter, Cotton, Jefferson, Love, Marshall and 2 more88 min
Jun 13, 1:10 AM CDTSevere Thunderstorm WatchSPCBeckham, Comanche, Cotton, Greer, Harmon, Jackson and 2 more5 hr
Jun 13, 3:20 PM CDTMesoscale DiscussionSPCBeckham, Caddo, Custer, Dewey, Ellis, Greer and 6 more85 min
Jun 13, 3:40 PM CDTSevere Thunderstorm WatchSPCBeckham, Blaine, Cimarron, Comanche, Custer, Dewey and 10 more5 hr
Jun 13, 6:44 PM CDTMesoscale DiscussionSPCCanadian, Cherokee, Cleveland, Creek, Grady, Haskell and 18 more91 min
Jun 12, 8:00 PM CDTSevere Thunderstorm WatchSPCChambers, Fort Bend, Grimes, Hardin, Harris, Jasper and 10 more5 hr
Jun 12, 9:51 PM CDTMesoscale DiscussionSPCChambers, Fort Bend, Grimes, Hardin, Harris, Jasper and 10 more54 min
Jun 13, 10:26 AM CDTMesoscale DiscussionSPCCoke, Concho, Crockett, Irion, McCulloch, Menard and 3 more94 min
Jun 13, 12:15 PM CDTSevere Thunderstorm WatchSPCAndrews, Borden, Brown, Burnet, Callahan, Coke and 31 more6 hr
Jun 13, 12:16 PM CDTMesoscale DiscussionSPCHardin, Jasper, Newton, Orange, Sabine, Tyler119 min
Jun 13, 2:21 PM CDTMesoscale DiscussionSPCBastrop, Brazos, Burleson, Grimes, Hardin, Harris and 14 more54 min
Jun 13, 2:56 PM CDTMesoscale DiscussionSPCAndrews, Borden, Brown, Callahan, Coke, Coleman and 20 more2 hr
Jun 13, 3:00 PM CDTSevere Thunderstorm WatchSPCAustin, Bandera, Bastrop, Bexar, Blanco, Brazos and 40 more5 hr
Jun 13, 4:54 PM CDTMesoscale DiscussionSPCAustin, Bandera, Bastrop, Bexar, Blanco, Brazos and 42 more96 min
Jun 13, 5:13 PM CDTMesoscale DiscussionSPCAndrews, Bailey, Cochran, Crane, Dawson, Ector and 11 more62 min
Jun 13, 5:40 PM CDTSevere Thunderstorm WatchSPCAndrews, Bailey, Borden, Castro, Cochran, Coke and 29 more5 hr
Jun 13, 6:55 PM CDTSevere Thunderstorm WatchSPCAransas, Atascosa, Bee, Calhoun, DeWitt, Duval and 15 more5 hr

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; radar from the NEXRAD Level II archive.