Alert archive / Illinois / Mesoscale Discussions in 2018
Mesoscale Discussion 78
The Storm Prediction Center issued this mesoscale discussion at Feb 20, 2018, 9:18 PM CST for 38 counties in Illinois; 23 counties in Missouri. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 20, 2018, 9:18 PM CST (03:18 UTC)
- Expired
- Feb 21, 2018, 3:15 AM CST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 61 counties
Brown County, IL, Calhoun County, IL, Cass County, IL, Christian County, IL, Cook County, IL, DeWitt County, IL, DuPage County, IL, Ford County, IL, Fulton County, IL, Greene County, IL, Grundy County, IL, Jersey County, IL, Kane County, IL, Kankakee County, IL, Kendall County, IL, LaSalle County, IL, Livingston County, IL, Logan County, IL, Macon County, IL, Macoupin County, IL, Madison County, IL, Marshall County, IL, Mason County, IL, McLean County, IL, Menard County, IL, Montgomery County, IL, Morgan County, IL, Peoria County, IL, Piatt County, IL, Pike County, IL, Putnam County, IL, Sangamon County, IL, Schuyler County, IL, Scott County, IL, Stark County, IL, Tazewell County, IL, Will County, IL, Woodford County, IL, Audrain County, MO, Callaway County, MO, Camden County, MO, City of Saint Louis, MO, Cole County, MO, Crawford County, MO, Dallas County, MO, Franklin County, MO, Gasconade County, MO, Jefferson County, MO, Laclede County, MO, Lincoln County, MO, Maries County, MO, Miller County, MO, Montgomery County, MO, Osage County, MO, Phelps County, MO, Pike County, MO, Pulaski County, MO, Ralls County, MO, Saint Charles County, MO, Saint Louis County, MO, Warren County, MO
The radar
The Lincoln radar (KILX), 94 km from the middle of the area, began a volume at 03:20 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 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 |
|---|---|---|---|---|
| Feb 21, 5:01 PM CST | Mesoscale Discussion | SPC | Barry, Camden, Christian, Crawford, Dade, Dallas and 17 more | 5 hr |
Nearby
Mesoscale Discussions in Illinois, 2018Mesoscale Discussions in Missouri, 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; radar from the NEXRAD Level II archive.