Alert archive / Missouri / Mesoscale Discussions in 2003

Mesoscale Discussion 2073

August 3, 20034 states

The Storm Prediction Center issued this mesoscale discussion at Aug 3, 2003, 5:38 PM CDT for 4 states. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Aug 3, 2003, 5:38 PM CDT (22:38 UTC)
Expired: Aug 3, 2003, 7:45 PM CDT
In force: 2 hr
Issued by: the Storm Prediction Center

All 26 counties

Baxter County, AR, Boone County, AR, Carroll County, AR, Fulton County, AR, Marion County, AR, Cherokee County, KS, Crawford County, KS, Labette County, KS, Neosho County, KS, Wilson County, KS, Woodson County, KS, Barry County, MO, Carter County, MO, Christian County, MO, Douglas County, MO, Howell County, MO, Jasper County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Oregon County, MO, Ozark County, MO, Ripley County, MO, Stone County, MO, Taney County, MO, Ottawa County, OK

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 10.6 hours before the alert went out and 68 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1065 J/kg
Mixed-layer CIN: -59 J/kg
Mixed-layer LCL: 1236 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 44 m²/s²
0-3 km storm-relative helicity: 129 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 4.8

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.

Issued	Product	Office	Counties	Lasted
Aug 3, 1:39 AM CDT	Mesoscale Discussion	SPC	Benton, Crawford, Franklin, Sebastian, Washington	96 min
Aug 3, 2:35 AM CDT	Severe Thunderstorm Watch	SPC	Scott, Sebastian	5 hr
Aug 3, 5:00 AM CDT	Mesoscale Discussion	SPC	Scott, Sebastian	60 min
Aug 3, 9:54 AM CDT	Mesoscale Discussion	SPC	Arkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 40 more	3 hr
Aug 3, 2:20 PM CDT	Severe Thunderstorm Watch	SPC	Clay	6 hr
Aug 2, 9:11 PM CDT	Mesoscale Discussion	SPC	Cole, Franklin, Gasconade, Miller, Moniteau, Osage and 4 more	94 min
Aug 3, 3:25 PM CDT	Mesoscale Discussion	SPC	Bollinger, Cape Girardeau, Mississippi, New Madrid, Scott, Stoddard	2 hr

Nearby

Mesoscale Discussions in Missouri, 2003 Mesoscale Discussions in Kansas, 2003 Mesoscale Discussions in Arkansas, 2003 Every 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.