Alert archive / Missouri / Mesoscale Discussions in 2016
Mesoscale Discussion 994
The Storm Prediction Center issued this mesoscale discussion at Jun 20, 2016, 3:07 PM CDT for 5 states. It was in force for 83 min.
The area
The outline as issued.
The facts
- Issued
- Jun 20, 2016, 3:07 PM CDT (20:07 UTC)
- Expired
- Jun 20, 2016, 4:30 PM CDT
- In force
- 83 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 40%
All 63 counties
Appanoose County, IA, Davis County, IA, Decatur County, IA, Des Moines County, IA, Henry County, IA, Lee County, IA, Van Buren County, IA, Wayne County, IA, Adams County, IL, Brown County, IL, Fulton County, IL, Hancock County, IL, Henderson County, IL, Knox County, IL, McDonough County, IL, Pike County, IL, Schuyler County, IL, Warren County, IL, Atchison County, KS, Brown County, KS, Doniphan County, KS, Jackson County, KS, Jefferson County, KS, Leavenworth County, KS, Nemaha County, KS, Adair County, MO, Andrew County, MO, Atchison County, MO, Buchanan 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, Gentry County, MO, Grundy County, MO, Harrison County, MO, Holt County, MO, Knox County, MO, Lewis County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Marion County, MO, Mercer County, MO, Monroe County, MO, Nodaway County, MO, Platte County, MO, Putnam County, MO, Ralls County, MO, Randolph County, MO, Ray County, MO, Schuyler County, MO, Scotland County, MO, Shelby County, MO, Sullivan County, MO, Worth County, MO, Nemaha County, NE, Pawnee County, NE, Richardson County, NE
The radar
The Pleasant Hill radar (KEAX), 150 km from the middle of the area, began a volume at 20:12 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
Topeka, KS (KFOE), launched 12:00Z, 8.1 hours before the alert went out and 215 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
- 250 J/kg
- Mixed-layer CIN
- -343 J/kg
- Mixed-layer LCL
- 1291 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 217 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 1:54 PM CDT | Mesoscale Discussion | SPC | Champaign, DeWitt, Douglas, Ford, Iroquois, Kankakee and 8 more | 2 hr |
| Jun 20, 3:03 PM CDT | Severe Thunderstorm Watch | SPC | Champaign, DeWitt, Douglas, Edgar, Ford, Iroquois and 5 more | 7 hr |
| Jun 20, 6:05 PM CDT | Mesoscale Discussion | SPC | Champaign, DeWitt, Edgar, Ford, Iroquois, Livingston and 3 more | 85 min |
| Jun 20, 12:51 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Cass, Fremont, Harrison and 7 more | 114 min |
| Jun 20, 4:10 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Cass, Clarke, Davis and 17 more | 5 hr |
| Jun 20, 6:42 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 22 more | 63 min |
Nearby
Mesoscale Discussions in Missouri, 2016Mesoscale Discussions in Illinois, 2016Mesoscale Discussions in Iowa, 2016Every mesoscale discussion in 2016
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.