Alert archive / Michigan / Mesoscale Discussions in 2005
Mesoscale Discussion 2252
The Storm Prediction Center issued this mesoscale discussion at Sep 22, 2005, 1:08 PM CDT for 4 counties in Illinois; 35 counties in Michigan; 7 counties in Wisconsin. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 22, 2005, 1:08 PM CDT (18:08 UTC)
- Expired
- Sep 22, 2005, 3:15 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 46 counties
Boone County, IL, Lake County, IL, McHenry County, IL, Winnebago County, IL, Allegan County, MI, Barry County, MI, Bay County, MI, Calhoun County, MI, Cass County, MI, Clinton County, MI, Eaton County, MI, Genesee County, MI, Gratiot County, MI, Huron County, MI, Ingham County, MI, Ionia County, MI, Isabella County, MI, Jackson County, MI, Kalamazoo County, MI, Kent County, MI, Lapeer County, MI, Livingston County, MI, Macomb County, MI, Mecosta County, MI, Midland County, MI, Montcalm County, MI, Muskegon County, MI, Newaygo County, MI, Oakland County, MI, Oceana County, MI, Ottawa County, MI, Saginaw County, MI, Saint Clair County, MI, Sanilac County, MI, Shiawassee County, MI, Tuscola County, MI, Van Buren County, MI, Washtenaw County, MI, Wayne County, MI, Jefferson County, WI, Kenosha County, WI, Milwaukee County, WI, Racine County, WI, Rock County, WI, Walworth County, WI, Waukesha County, WI
The radar
The Detroit radar (KDTX), 43 km from the middle of the area, began a volume at 18:08 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
Detroit, MI (KDTX), launched 12:00Z, 6.1 hours before the alert went out and 46 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
- 917 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 147 m²/s²
- 0-3 km storm-relative helicity
- 53 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 22, 2:00 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Cook, DeKalb, DuPage, Kane, Kendall and 2 more | 7 hr |
| Sep 22, 3:48 PM CDT | Mesoscale Discussion | SPC | Boone, Cook, DeKalb, DuPage, Kane, Kendall and 2 more | 57 min |
| Sep 22, 6:13 PM CDT | Mesoscale Discussion | SPC | Boone, Cook, DeKalb, DuPage, Grundy, Kane and 4 more | 92 min |
| Sep 21, 7:26 PM CDT | Mesoscale Discussion | SPC | Barron, Buffalo, Chippewa, Clark, Dunn, Eau Claire and 17 more | 94 min |
| Sep 21, 9:13 PM CDT | Mesoscale Discussion | SPC | Barron, Buffalo, Chippewa, Clark, Dunn, Eau Claire and 10 more | 92 min |
Nearby
Mesoscale Discussions in Michigan, 2005Mesoscale Discussions in Wisconsin, 2005Mesoscale Discussions in Illinois, 2005Every mesoscale discussion in 2005
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.