Alert archive / Missouri / Mesoscale Discussions in 2006
Mesoscale Discussion 267
The Storm Prediction Center issued this mesoscale discussion at Mar 12, 2006, 6:28 PM CST for 23 counties in Illinois; 6 counties in Kansas; 71 counties in Missouri. It was in force for 92 min.
The area
The outline as issued.
The facts
- Issued
- Mar 12, 2006, 6:28 PM CST (00:28 UTC)
- Expired
- Mar 12, 2006, 8:00 PM CST
- In force
- 92 min
- Issued by
- the Storm Prediction Center
All 100 counties
Adams County, IL, Bond County, IL, Brown County, IL, Calhoun County, IL, Cass County, IL, Christian County, IL, Clinton County, IL, Greene County, IL, Jersey County, IL, Macoupin County, IL, Madison County, IL, Mason County, IL, Menard County, IL, Monroe County, IL, Montgomery County, IL, Morgan County, IL, Pike County, IL, Randolph County, IL, Saint Clair County, IL, Sangamon County, IL, Schuyler County, IL, Scott County, IL, Washington County, IL, Bourbon County, KS, Crawford County, KS, Johnson County, KS, Linn County, KS, Miami County, KS, Wyandotte County, KS, Adair County, MO, Audrain County, MO, Barton County, MO, Bates County, MO, Benton County, MO, Boone County, MO, Caldwell County, MO, Callaway County, MO, Camden County, MO, Carroll County, MO, Cass County, MO, Cedar County, MO, Chariton County, MO, City of Saint Louis, MO, Clay County, MO, Clinton County, MO, Cole County, MO, Cooper County, MO, Crawford County, MO, Dade County, MO, Dallas County, MO, Daviess County, MO, Dent County, MO, Franklin County, MO, Gasconade County, MO, Greene County, MO, Grundy County, MO, Henry County, MO, Hickory County, MO, Howard County, MO, Jackson County, MO, Jasper County, MO, Jefferson County, MO, Johnson County, MO, Knox County, MO, Laclede County, MO, Lafayette County, MO, Lewis County, MO, Lincoln County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Maries County, MO, Marion County, MO, Miller County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Morgan County, MO, Osage County, MO, Pettis County, MO, Phelps County, MO, Pike County, MO, Platte County, MO, Polk County, MO, Pulaski County, MO, Ralls County, MO, Randolph County, MO, Ray County, MO, Saint Charles County, MO, Saint Francois County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, Saline County, MO, Shelby County, MO, St. Clair County, MO, Sullivan County, MO, Vernon County, MO, Warren County, MO, Washington County, MO, Webster County, MO
The radar
The Pleasant Hill radar (KEAX), 145 km from the middle of the area, began a volume at 00:31 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, 0.5 hours before the alert went out and 236 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
- 1549 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 1450 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 200 m²/s²
- 0-3 km storm-relative helicity
- 264 m²/s²
- Significant tornado parameter
- 1.5
- Supercell composite
- 13.0
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 |
|---|---|---|---|---|
| Mar 12, 7:15 PM CST | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Grundy and 24 more | 90 min |
| Mar 12, 7:28 PM CST | Severe Thunderstorm Watch | SPC | Carroll, Jo Daviess, Rock Island, Stephenson, Whiteside | 7 hr |
| Mar 12, 8:00 PM CST | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 47 more | 90 min |
| Mar 12, 8:42 PM CST | Tornado Watch | SPC | Adams, Bond, Boone, Brown, Bureau, Calhoun and 58 more | 7 hr |
| Mar 12, 11:30 PM CST | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 41 more | 2 hr |
| Mar 12, 11:52 PM CST | Mesoscale Discussion | SPC | Carroll | 83 min |
| Mar 13, 12:35 AM CST | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 11 more | 85 min |
| Mar 13, 1:06 AM CST | Tornado Watch | SPC | Alexander, Clinton, Edwards, Franklin, Gallatin, Hamilton and 19 more | 6 hr |
| Mar 13, 3:19 AM CST | Mesoscale Discussion | SPC | Champaign, Clark, Clay, Coles, Crawford, Cumberland and 9 more | 86 min |
| Mar 13, 3:52 AM CST | Tornado Watch | SPC | Bond, Champaign, Clark, Clay, Coles, Crawford and 19 more | 7 hr |
| Mar 13, 6:08 AM CST | Mesoscale Discussion | SPC | Alexander, Edwards, Gallatin, Hamilton, Hardin, Johnson and 7 more | 97 min |
| Mar 12, 9:13 PM CST | Mesoscale Discussion | SPC | Barry, Howell, McDonald, Newton, Ozark, Stone and 1 more | 62 min |
| Mar 13, 2:44 AM CST | Mesoscale Discussion | SPC | Dunklin | 91 min |
| Mar 13, 3:13 AM CST | Tornado Watch | SPC | Dunklin, Pemiscot | 7 hr |
| Mar 13, 9:02 AM CST | Mesoscale Discussion | SPC | Dunklin, Pemiscot | 58 min |
Nearby
Mesoscale Discussions in Missouri, 2006Mesoscale Discussions in Illinois, 2006Mesoscale Discussions in Kansas, 2006Every mesoscale discussion in 2006
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.