Alert archive / Missouri / Mesoscale Discussions in 2018
Mesoscale Discussion 409
The Storm Prediction Center issued this mesoscale discussion at May 14, 2018, 12:54 PM CDT for 19 counties in Kansas; 45 counties in Missouri. It was in force for 96 min.
The area
The outline as issued.
The facts
- Issued
- May 14, 2018, 12:54 PM CDT (17:54 UTC)
- Expired
- May 14, 2018, 2:30 PM CDT
- In force
- 96 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 95%
All 64 counties
Allen County, KS, Anderson County, KS, Bourbon County, KS, Butler County, KS, Chase County, KS, Coffey County, KS, Douglas County, KS, Franklin County, KS, Greenwood County, KS, Jefferson County, KS, Johnson County, KS, Leavenworth County, KS, Linn County, KS, Lyon County, KS, Miami County, KS, Osage County, KS, Shawnee County, KS, Woodson County, KS, Wyandotte County, KS, Adair County, MO, Audrain County, MO, Bates County, MO, Benton County, MO, Boone 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, Grundy County, MO, Henry County, MO, Howard County, MO, Jackson County, MO, Johnson County, MO, Knox County, MO, Lafayette County, MO, Lewis County, MO, Linn County, MO, Livingston County, MO, Macon 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, Platte County, MO, Putnam County, MO, Ralls County, MO, Randolph County, MO, Ray County, MO, Saline County, MO, Schuyler County, MO, Scotland County, MO, Shelby County, MO, St. Clair County, MO, Sullivan County, MO
The radar
The Pleasant Hill radar (KEAX), 19 km from the middle of the area, began a volume at 17:56 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, 5.9 hours before the alert went out and 139 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
- 747 J/kg
- Mixed-layer CIN
- -212 J/kg
- Mixed-layer LCL
- 1114 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 116 m²/s²
- 0-3 km storm-relative helicity
- 91 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 |
|---|---|---|---|---|
| May 13, 7:14 PM CDT | Mesoscale Discussion | SPC | Barber, Barton, Clark, Comanche, Edwards, Ford and 7 more | 91 min |
| May 13, 8:00 PM CDT | Mesoscale Discussion | SPC | Atchison, Brown, Clay, Cloud, Dickinson, Doniphan and 22 more | 3 hr |
| May 14, 1:20 PM CDT | Severe Thunderstorm Watch | SPC | Allen, Anderson, Bourbon, Butler, Chase, Chautauqua and 28 more | 11 hr |
| May 14, 5:04 PM CDT | Mesoscale Discussion | SPC | Logan, Sherman, Wallace | 116 min |
| May 14, 6:36 PM CDT | Mesoscale Discussion | SPC | Saint Charles, Saint Louis, City of Saint Louis | 84 min |
Nearby
Mesoscale Discussions in Missouri, 2018Mesoscale Discussions in Kansas, 2018Every mesoscale discussion in 2018
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.