Alert archive / Missouri / Mesoscale Discussions in 2003
Mesoscale Discussion 227
The Storm Prediction Center issued this mesoscale discussion at Mar 12, 2003, 9:52 PM CST for 5 states. It was in force for 113 min.
The area
The outline as issued.
The facts
- Issued
- Mar 12, 2003, 9:52 PM CST (03:52 UTC)
- Expired
- Mar 12, 2003, 11:45 PM CST
- In force
- 113 min
- Issued by
- the Storm Prediction Center
All 79 counties
Baxter County, AR, Boone County, AR, Carroll County, AR, Fulton County, AR, Marion County, AR, Sharp County, AR, Monroe County, IL, Saint Clair County, IL, Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Labette County, KS, Linn County, KS, Neosho County, KS, Barry County, MO, Barton County, MO, Bates County, MO, Benton County, MO, Boone County, MO, Callaway County, MO, Camden County, MO, Carter County, MO, Cedar County, MO, Christian County, MO, City of Saint Louis, MO, Cole County, MO, Cooper County, MO, Crawford County, MO, Dade County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Franklin County, MO, Gasconade County, MO, Greene County, MO, Henry County, MO, Hickory County, MO, Howard County, MO, Howell County, MO, Iron County, MO, Jasper County, MO, Jefferson County, MO, Johnson County, MO, Laclede County, MO, Lawrence County, MO, Maries County, MO, McDonald County, MO, Miller County, MO, Moniteau County, MO, Montgomery County, MO, Morgan County, MO, Newton County, MO, Oregon County, MO, Osage County, MO, Ozark County, MO, Pettis County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, Reynolds County, MO, Saint Charles County, MO, Saint Francois County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, Saline County, MO, Shannon County, MO, St. Clair County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Vernon County, MO, Warren County, MO, Washington County, MO, Webster County, MO, Wright County, MO, Craig County, OK, Nowata County, OK, Ottawa County, OK, Washington County, OK
The radar
The Springfield radar (KSGF), 40 km from the middle of the area, began a volume at 03:51 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 watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 3.9 hours before the alert went out and 80 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
- 1109 J/kg
- Mixed-layer CIN
- -59 J/kg
- Mixed-layer LCL
- 1150 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 100 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.4
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 |
|---|---|---|---|---|
| Mar 13, 12:56 AM CST | Mesoscale Discussion | SPC | Clark, Columbia, Garland, Hempstead, Hot Spring, Howard and 9 more | 2 hr |
| Mar 13, 1:35 AM CST | Mesoscale Discussion | SPC | Clay, Cleburne, Conway, Craighead, Crittenden, Cross and 20 more | 115 min |
| Mar 12, 9:28 PM CST | Mesoscale Discussion | SPC | Christian, Clark, Coles, Cumberland, Douglas, Greene and 9 more | 2 hr |
| Mar 13, 12:00 AM CST | Severe Thunderstorm Watch | SPC | Bond, Calhoun, Clinton, Fayette, Jersey, Macoupin and 5 more | 5 hr |
| Mar 12, 7:48 PM CST | Mesoscale Discussion | SPC | Allen, Anderson, Bourbon, Chautauqua, Cherokee, Coffey and 15 more | 57 min |
| Mar 12, 8:25 PM CST | Severe Thunderstorm Watch | SPC | Bourbon, Cherokee, Crawford, Labette, Linn, Neosho | 6 hr |
| Mar 12, 11:41 PM CST | Mesoscale Discussion | SPC | Butler, Callaway, Camden, Carter, Christian, Cole and 28 more | 94 min |
| Mar 12, 8:36 PM CST | Mesoscale Discussion | SPC | Caddo, Canadian, Cleveland, Creek, Grady, Kingfisher and 12 more | 84 min |
| Mar 12, 8:55 PM CST | Severe Thunderstorm Watch | SPC | Adair, Blaine, Caddo, Canadian, Cherokee, Cleveland and 27 more | 5 hr |
| Mar 12, 11:03 PM CST | Mesoscale Discussion | SPC | Atoka, Caddo, Carter, Cleveland, Coal, Garvin and 17 more | 117 min |
Nearby
Mesoscale Discussions in Missouri, 2003Mesoscale Discussions in Arkansas, 2003Mesoscale Discussions in Kansas, 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.