Alert archive / Missouri / Mesoscale Discussions in 2011
Mesoscale Discussion 1223
The Storm Prediction Center issued this mesoscale discussion at Jun 14, 2011, 7:47 PM CDT for 14 counties in Iowa; 49 counties in Missouri. It was in force for 58 min.
The area
The outline as issued.
The facts
- Issued
- Jun 14, 2011, 7:47 PM CDT (00:47 UTC)
- Expired
- Jun 14, 2011, 8:45 PM CDT
- In force
- 58 min
- Issued by
- the Storm Prediction Center
All 63 counties
Adams County, IA, Appanoose County, IA, Clarke County, IA, Davis County, IA, Decatur County, IA, Lucas County, IA, Monroe County, IA, Montgomery County, IA, Page County, IA, Ringgold County, IA, Taylor County, IA, Union County, IA, Wapello County, IA, Wayne County, IA, Adair County, MO, Andrew County, MO, Audrain County, MO, Bates County, MO, Benton County, MO, Boone County, MO, Buchanan County, MO, Caldwell County, MO, Callaway County, MO, Carroll County, MO, Cass County, MO, Chariton County, MO, Clay County, MO, Clinton County, MO, Cole County, MO, Cooper County, MO, Daviess County, MO, DeKalb County, MO, Gasconade County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Henry County, MO, Howard County, MO, Jackson County, MO, Johnson County, MO, Knox County, MO, Lafayette County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Maries County, MO, Mercer County, MO, Miller County, MO, Moniteau County, MO, Monroe County, MO, Morgan County, MO, Nodaway County, MO, Osage County, MO, Pettis County, MO, Platte County, MO, Putnam County, MO, Randolph County, MO, Ray County, MO, Saline County, MO, Schuyler County, MO, Shelby County, MO, Sullivan County, MO, Worth County, MO
The radar
The Pleasant Hill radar (KEAX), 81 km from the middle of the area, began a volume at 00:47 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 nearest sounding before it
Topeka, KS (KTOP), launched 00:00Z, 0.8 hours before the alert went out and 183 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
- 2058 J/kg
- Mixed-layer CIN
- -182 J/kg
- Mixed-layer LCL
- 1467 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- -10 m²/s²
- 0-3 km storm-relative helicity
- 2 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.3
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 |
|---|---|---|---|---|
| Jun 15, 1:55 AM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Des Moines, Henry, Jefferson, Lee and 3 more | 3 hr |
| Jun 14, 8:54 PM CDT | Mesoscale Discussion | SPC | Newton | 66 min |
| Jun 14, 9:11 PM CDT | Mesoscale Discussion | SPC | Barry, Barton, Camden, Cedar, Christian, Dade and 23 more | 64 min |
| Jun 15, 12:29 AM CDT | Mesoscale Discussion | SPC | Benton, Bollinger, Butler, Camden, Carter, Cedar and 42 more | 2 hr |
| Jun 15, 1:09 AM CDT | Severe Thunderstorm Watch | SPC | Barry, Bollinger, Butler, Camden, Carter, Christian and 35 more | 4 hr |
| Jun 15, 4:24 AM CDT | Mesoscale Discussion | SPC | Bollinger, Butler, Cape Girardeau, Crawford, Franklin, Gasconade and 20 more | 96 min |
| Jun 15, 10:54 AM CDT | Mesoscale Discussion | SPC | Pemiscot | 2 hr |
| Jun 15, 2:13 PM CDT | Mesoscale Discussion | SPC | Cape Girardeau, Mississippi, Perry, Scott | 2 hr |
Nearby
Mesoscale Discussions in Missouri, 2011Mesoscale Discussions in Iowa, 2011Every mesoscale discussion in 2011
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.