Alert archive / Michigan / Mesoscale Discussions in 2008
Mesoscale Discussion 1256
The Storm Prediction Center issued this mesoscale discussion at Jun 6, 2008, 4:27 PM EDT for 35 counties in Indiana; 42 counties in Michigan; Williams County, Ohio. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 6, 2008, 4:27 PM EDT (20:27 UTC)
- Expired
- Jun 6, 2008, 6:30 PM EDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 78 counties
Allen County, IN, Blackford County, IN, Boone County, IN, Carroll County, IN, Cass County, IN, Clinton County, IN, DeKalb County, IN, Elkhart County, IN, Fountain County, IN, Fulton County, IN, Grant County, IN, Hamilton County, IN, Hendricks County, IN, Howard County, IN, Huntington County, IN, Kosciusko County, IN, LaGrange County, IN, Madison County, IN, Marion County, IN, Marshall County, IN, Miami County, IN, Montgomery County, IN, Noble County, IN, Parke County, IN, Pulaski County, IN, Putnam County, IN, Saint Joseph County, IN, Starke County, IN, Steuben County, IN, Tippecanoe County, IN, Tipton County, IN, Wabash County, IN, Wells County, IN, White County, IN, Whitley County, IN, Alcona County, MI, Alpena County, MI, Arenac County, MI, Barry County, MI, Bay County, MI, Branch County, MI, Calhoun County, MI, Cass County, MI, Clare County, MI, Clinton County, MI, Crawford County, MI, Eaton County, MI, Genesee County, MI, Gladwin County, MI, Gratiot County, MI, Hillsdale County, MI, Huron County, MI, Ingham County, MI, Ionia County, MI, Iosco County, MI, Isabella County, MI, Jackson County, MI, Kalamazoo County, MI, Lapeer County, MI, Lenawee County, MI, Livingston County, MI, Midland County, MI, Missaukee County, MI, Montcalm County, MI, Montmorency County, MI, Oakland County, MI, Ogemaw County, MI, Osceola County, MI, Oscoda County, MI, Otsego County, MI, Presque Isle County, MI, Roscommon County, MI, Saginaw County, MI, Saint Joseph County, MI, Shiawassee County, MI, Tuscola County, MI, Washtenaw County, MI, Williams County, OH
The radar
The Grand Rapids radar (KGRR), 55 km from the middle of the area, began a volume at 20:28 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, 8.5 hours before the alert went out and 133 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
- 714 J/kg
- Mixed-layer CIN
- -71 J/kg
- Mixed-layer LCL
- 986 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 76 m²/s²
- 0-3 km storm-relative helicity
- 96 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 0.6
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 |
|---|---|---|---|---|
| Jun 6, 1:30 PM EDT | Mesoscale Discussion | SPC | Elkhart, Kosciusko, LaGrange, LaPorte, Marshall, Noble and 2 more | 90 min |
| Jun 6, 2:05 PM EDT | Tornado Watch | SPC | Benton, Jasper, Lake, Newton, Porter | 5 hr |
| Jun 6, 2:18 PM EDT | Tornado Watch | SPC | Allen, Cass, DeKalb, Elkhart, Fulton, Huntington and 13 more | 10 hr |
| Jun 6, 5:30 PM EDT | Tornado Watch | SPC | Adams, Bartholomew, Blackford, Boone, Brown, Carroll and 38 more | 7 hr |
| Jun 6, 7:15 PM EDT | Mesoscale Discussion | SPC | Adams | 60 min |
| Jun 6, 7:36 PM EDT | Severe Thunderstorm Watch | SPC | Wayne | 4 hr |
| Jun 6, 1:42 PM EDT | Mesoscale Discussion | SPC | Baraga, Dickinson, Gogebic, Houghton, Iron, Keweenaw and 3 more | 63 min |
Nearby
Mesoscale Discussions in Michigan, 2008Mesoscale Discussions in Indiana, 2008Mesoscale Discussions in Ohio, 2008Every mesoscale discussion in 2008
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.