Alert archive / Michigan / Mesoscale Discussions in 2009

Mesoscale Discussion 994

June 8, 2009Lake County, Illinois; LaGrange County, Indiana; 26 counties in Michigan

The Storm Prediction Center issued this mesoscale discussion at Jun 8, 2009, 5:46 PM CDT for Lake County, Illinois; LaGrange County, Indiana; 26 counties in Michigan. It was in force for 59 min.

The area

The outline as issued.

The facts

Issued: Jun 8, 2009, 5:46 PM CDT (22:46 UTC)
Expired: Jun 8, 2009, 6:45 PM CDT
In force: 59 min
Issued by: the Storm Prediction Center

All 28 counties

Lake County, IL, LaGrange County, IN, Allegan County, MI, Barry County, MI, Branch County, MI, Calhoun County, MI, Cass County, MI, Clinton County, MI, Eaton County, MI, Genesee County, MI, Gratiot County, MI, Hillsdale County, MI, Ingham County, MI, Ionia County, MI, Jackson County, MI, Kalamazoo County, MI, Kent County, MI, Lenawee County, MI, Livingston County, MI, Montcalm County, MI, Oakland County, MI, Ottawa County, MI, Saginaw County, MI, Saint Joseph County, MI, Shiawassee County, MI, Van Buren County, MI, Washtenaw County, MI, Wayne County, MI

The radar

The Grand Rapids radar (KGRR), 32 km from the middle of the area, began a volume at 22:45 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, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 7, 11:09 PM CDT	Severe Thunderstorm Watch	SPC	Adams, Brown, Hancock, Henderson, McDonough, Mercer and 1 more	6 hr
Jun 8, 3:25 AM CDT	Mesoscale Discussion	SPC	Adams, Brown, Hancock, Henderson, McDonough, Mercer and 2 more	65 min
Jun 8, 8:49 AM CDT	Mesoscale Discussion	SPC	Bond, Clark, Clay, Clinton, Coles, Crawford and 26 more	86 min
Jun 8, 11:54 AM CDT	Mesoscale Discussion	SPC	Bond, Boone, Brown, Bureau, Calhoun, Cass and 43 more	96 min
Jun 8, 1:23 PM CDT	Severe Thunderstorm Watch	SPC	Boone, Bureau, Cook, DeKalb, DuPage, Grundy and 10 more	6 hr
Jun 8, 3:20 PM CDT	Mesoscale Discussion	SPC	Bond, Clinton, Franklin, Jackson, Jefferson, Jersey and 9 more	85 min
Jun 8, 3:53 PM CDT	Mesoscale Discussion	SPC	Boone, Cook, DeKalb, DuPage, Grundy, Iroquois and 11 more	67 min
Jun 8, 4:33 PM CDT	Severe Thunderstorm Watch	SPC	Alexander, Bond, Champaign, Christian, Clark, Clay and 37 more	5 hr
Jun 8, 2:34 PM CDT	Mesoscale Discussion	SPC	Elkhart, Kosciusko, LaGrange, Marshall, Noble, Steuben	56 min
Jun 8, 3:02 PM CDT	Tornado Watch	SPC	Allegan, Barry, Bay, Calhoun, Clinton, Eaton and 27 more	6 hr

Nearby

Mesoscale Discussions in Michigan, 2009 Mesoscale Discussions in Illinois, 2009 Mesoscale Discussions in Indiana, 2009 Every mesoscale discussion in 2009

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.