Alert archive / Missouri / Mesoscale Discussions in 2003
Mesoscale Discussion 146
The Storm Prediction Center issued this mesoscale discussion at Feb 23, 2003, 10:41 AM CST for 9 counties in Arkansas; Alexander County, Pulaski County, Illinois; 25 counties in Missouri. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 23, 2003, 10:41 AM CST (16:41 UTC)
- Expired
- Feb 23, 2003, 3:45 PM CST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 36 counties
Baxter County, AR, Benton County, AR, Boone County, AR, Carroll County, AR, Fulton County, AR, Madison County, AR, Marion County, AR, Newton County, AR, Washington County, AR, Alexander County, IL, Pulaski County, IL, Barry County, MO, Bollinger County, MO, Butler County, MO, Cape Girardeau County, MO, Dade County, MO, Dent County, MO, Greene County, MO, Iron County, MO, Laclede County, MO, Lawrence County, MO, Madison County, MO, McDonald County, MO, New Madrid County, MO, Ozark County, MO, Reynolds County, MO, Saint Francois County, MO, Sainte Genevieve County, MO, Scott County, MO, Shannon County, MO, Stoddard County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Webster County, MO, Wright County, MO
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 4.7 hours before the alert went out and 102 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 766 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 100 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 23, 2:14 PM CST | Mesoscale Discussion | SPC | Bradley, Calhoun, Clark, Cleveland, Columbia, Dallas and 6 more | 2 hr |
| Feb 23, 3:45 PM CST | Mesoscale Discussion | SPC | Clay, Clinton, Edwards, Franklin, Gallatin, Hamilton and 19 more | 5 hr |
| Feb 23, 5:58 PM CST | Mesoscale Discussion | SPC | Bates, Benton, Boone, Callaway, Camden, Cole and 13 more | 3 hr |
Nearby
Mesoscale Discussions in Missouri, 2003Mesoscale Discussions in Arkansas, 2003Mesoscale Discussions in Illinois, 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.