Alert archive / Missouri / Mesoscale Discussions in 2018
Mesoscale Discussion 201
The Storm Prediction Center issued this mesoscale discussion at Apr 1, 2018, 1:38 PM CDT for 14 counties in Illinois; 13 counties in Kansas; 48 counties in Missouri. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 1, 2018, 1:38 PM CDT (18:38 UTC)
- Expired
- Apr 1, 2018, 5:45 PM CDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
All 75 counties
Adams County, IL, Brown County, IL, Calhoun County, IL, Cass County, IL, Fulton County, IL, Greene County, IL, Hancock County, IL, Mason County, IL, McDonough County, IL, Menard County, IL, Morgan County, IL, Pike County, IL, Schuyler County, IL, Scott County, IL, Atchison County, KS, Brown County, KS, Doniphan County, KS, Douglas County, KS, Franklin County, KS, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Leavenworth County, KS, Miami County, KS, Osage County, KS, Shawnee County, KS, Wyandotte County, KS, Adair County, MO, Andrew County, MO, Audrain County, MO, Bates County, MO, Boone County, MO, Buchanan County, MO, Caldwell County, MO, Callaway County, MO, Carroll County, MO, Cass County, MO, Chariton County, MO, Clark County, MO, Clay County, MO, Clinton County, MO, Cooper County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Henry County, MO, Holt County, MO, Howard County, MO, Jackson County, MO, Johnson County, MO, Knox County, MO, Lafayette County, MO, Lewis County, MO, Lincoln County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Marion County, MO, Mercer County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Pettis County, MO, Pike County, MO, Platte County, MO, Ralls County, MO, Randolph County, MO, Ray County, MO, Saline County, MO, Schuyler County, MO, Scotland County, MO, Shelby County, MO, Sullivan County, MO
The radar
The Pleasant Hill radar (KEAX), 134 km from the middle of the area, began a volume at 18:38 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
Springfield, MO (KSGF), launched 12:00Z, 6.6 hours before the alert went out and 298 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 983 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 211 m²/s²
- 0-3 km storm-relative helicity
- 377 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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Mesoscale Discussions in Missouri, 2018Mesoscale Discussions in Illinois, 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.