Alert archive / Missouri / Mesoscale Discussions in 2015
Mesoscale Discussion 983
The Storm Prediction Center issued this mesoscale discussion at Jun 11, 2015, 10:30 PM CDT for 8 counties in Illinois; Lee County, Van Buren County, Iowa; 24 counties in Missouri. It was in force for 90 min.
The area
The outline as issued.
The facts
- Issued
- Jun 11, 2015, 10:30 PM CDT (03:30 UTC)
- Expired
- Jun 12, 2015, 12:00 AM CDT
- In force
- 90 min
- Issued by
- the Storm Prediction Center
All 34 counties
Lee County, IA, Van Buren County, IA, Adams County, IL, Brown County, IL, Cass County, IL, Hancock County, IL, Henderson County, IL, McDonough County, IL, Pike County, IL, Schuyler County, IL, Adair County, MO, Caldwell County, MO, Carroll County, MO, Chariton County, MO, Clark County, MO, Clay County, MO, Clinton County, MO, Daviess County, MO, DeKalb County, MO, Grundy County, MO, Knox County, MO, Lewis County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Marion County, MO, Monroe County, MO, Ralls County, MO, Randolph County, MO, Ray County, MO, Schuyler County, MO, Scotland County, MO, Shelby County, MO, Sullivan County, MO
The radar
The Pleasant Hill radar (KEAX), 170 km from the middle of the area, began a volume at 03:31 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 nearest sounding before it
Topeka, KS (KFOE), launched 00:00Z, 3.5 hours before the alert went out and 263 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
- 938 J/kg
- Mixed-layer CIN
- -66 J/kg
- Mixed-layer LCL
- 1811 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 219 m²/s²
- 0-3 km storm-relative helicity
- 314 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 10.8
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 11, 7:53 PM CDT | Mesoscale Discussion | SPC | Bureau, Ford, Fulton, Grundy, Henry, Kendall and 16 more | 67 min |
| Jun 11, 8:13 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Fulton, Hancock, Henderson and 14 more | 92 min |
| Jun 11, 8:25 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Cass, Fulton, Hancock, Henderson and 7 more | 5 hr |
| Jun 11, 7:54 PM CDT | Mesoscale Discussion | SPC | Buchanan, Caldwell, Clay, Clinton, Jackson, Platte and 1 more | 96 min |
| Jun 12, 3:52 PM CDT | Mesoscale Discussion | SPC | Barton, Bates, Benton, Cedar, Dade, Dallas and 10 more | 83 min |
Nearby
Mesoscale Discussions in Missouri, 2015Mesoscale Discussions in Illinois, 2015Mesoscale Discussions in Iowa, 2015Every mesoscale discussion in 2015
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.