Alert archive / Illinois / Mesoscale Discussions in 2022
Mesoscale Discussion 201
The Storm Prediction Center issued this mesoscale discussion at Mar 5, 2022, 8:09 PM CST for 32 counties in Illinois; Green County, Lafayette County, Rock County, Wisconsin. It was in force for 96 min.
The area
The outline as issued.
The facts
- Issued
- Mar 5, 2022, 8:09 PM CST (02:09 UTC)
- Expired
- Mar 5, 2022, 9:45 PM CST
- In force
- 96 min
- Issued by
- the Storm Prediction Center
- Concerning
- Severe potential...watch possible
- Chance of a watch
- 60%
All 35 counties
Boone County, IL, Bureau County, IL, Carroll County, IL, Cass County, IL, Christian County, IL, DeKalb County, IL, DeWitt County, IL, Fulton County, IL, Henry County, IL, Jo Daviess County, IL, Knox County, IL, LaSalle County, IL, Lee County, IL, Livingston County, IL, Logan County, IL, Macon County, IL, Marshall County, IL, Mason County, IL, McLean County, IL, Menard County, IL, Morgan County, IL, Ogle County, IL, Peoria County, IL, Putnam County, IL, Sangamon County, IL, Scott County, IL, Stark County, IL, Stephenson County, IL, Tazewell County, IL, Whiteside County, IL, Winnebago County, IL, Woodford County, IL, Green County, WI, Lafayette County, WI, Rock County, WI
The radar
The Quad Cities radar (KDVN), 97 km from the middle of the area, began a volume at 02:12 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
Davenport, (KDVN), launched 00:00Z, 2.2 hours before the alert went out and 93 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
- 39 J/kg
- Mixed-layer CIN
- -142 J/kg
- Mixed-layer LCL
- 932 m above ground
- 0-6 km bulk shear
- 78 kt
- 0-1 km storm-relative helicity
- 273 m²/s²
- 0-3 km storm-relative helicity
- 395 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 |
|---|---|---|---|---|
| Mar 5, 6:10 PM CST | Tornado Watch | SPC | Adams, Hancock, Henderson, McDonough, Mercer, Rock Island and 1 more | 4 hr |
| Mar 5, 6:33 PM CST | Mesoscale Discussion | SPC | Adams | 87 min |
| Mar 5, 7:51 PM CST | Mesoscale Discussion | SPC | Adams, Brown, Hancock, Henderson, McDonough, Mercer and 3 more | 114 min |
| Mar 5, 8:36 PM CST | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, Champaign, Christian, Coles and 40 more | 5 hr |
| Mar 5, 10:32 PM CST | Mesoscale Discussion | SPC | Cook, DuPage, Grundy, Kane, Kankakee, Kendall and 8 more | 88 min |
| Mar 5, 11:53 PM CST | Mesoscale Discussion | SPC | Edgar, Iroquois, Vermilion | 67 min |
Nearby
Mesoscale Discussions in Illinois, 2022Mesoscale Discussions in Wisconsin, 2022Every mesoscale discussion in 2022
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.