Alert archive / Missouri / Mesoscale Discussions in 2003
Mesoscale Discussion 229
The Storm Prediction Center issued this mesoscale discussion at Mar 12, 2003, 11:41 PM CST for 34 counties in Missouri. It was in force for 94 min.
The area
The outline as issued.
The facts
- Issued
- Mar 12, 2003, 11:41 PM CST (05:41 UTC)
- Expired
- Mar 13, 2003, 1:15 AM CST
- In force
- 94 min
- Issued by
- the Storm Prediction Center
All 34 counties
Butler County, MO, Callaway County, MO, Camden County, MO, Carter County, MO, Christian County, MO, Cole County, MO, Crawford County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Franklin County, MO, Gasconade County, MO, Greene County, MO, Howell County, MO, Iron County, MO, Jefferson County, MO, Laclede County, MO, Madison County, MO, Maries County, MO, Miller County, MO, Newton County, MO, Oregon County, MO, Osage County, MO, Phelps County, MO, Pulaski County, MO, Reynolds County, MO, Ripley County, MO, Saint Francois County, MO, Shannon County, MO, Texas County, MO, Washington County, MO, Wayne County, MO, Webster County, MO, Wright County, MO
The radar
The Springfield radar (KSGF), 73 km from the middle of the area, began a volume at 05:41 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, 5.7 hours before the alert went out and 123 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 12, 7:48 PM CST | Mesoscale Discussion | SPC | Barry, Barton, Bates, Benton, Boone, Callaway and 35 more | 57 min |
| Mar 12, 8:25 PM CST | Severe Thunderstorm Watch | SPC | Audrain, Barry, Barton, Bates, Benton, Boone and 44 more | 6 hr |
| Mar 12, 9:52 PM CST | Mesoscale Discussion | SPC | Barry, Barton, Bates, Benton, Boone, Callaway and 55 more | 113 min |
| Mar 13, 12:00 AM CST | Severe Thunderstorm Watch | SPC | Crawford, Dent, Franklin, Iron, Jefferson, Lincoln and 10 more | 5 hr |
| Mar 13, 1:35 AM CST | Mesoscale Discussion | SPC | Bollinger, Butler, Cape Girardeau, Dunklin, Mississippi, New Madrid and 7 more | 115 min |
Nearby
Mesoscale Discussions in Missouri, 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.