Alert archive / Michigan / Mesoscale Discussions in 2005

Mesoscale Discussion 84

January 13, 20056 states

The Storm Prediction Center issued this mesoscale discussion at Jan 13, 2005, 11:58 AM CST for 6 states. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: Jan 13, 2005, 11:58 AM CST (17:58 UTC)
Expired: Jan 13, 2005, 5:00 PM CST
In force: 5 hr
Issued by: the Storm Prediction Center

All 150 counties

Bond County, IL, Calhoun County, IL, Cass County, IL, Champaign County, IL, Christian County, IL, Clark County, IL, Clinton County, IL, Coles County, IL, Cook County, IL, Cumberland County, IL, DeWitt County, IL, Douglas County, IL, DuPage County, IL, Edgar County, IL, Effingham County, IL, Fayette County, IL, Ford County, IL, Greene County, IL, Grundy County, IL, Iroquois County, IL, Jersey County, IL, Kane County, IL, Kankakee County, IL, Kendall County, IL, Lake County, IL, LaSalle County, IL, Livingston County, IL, Logan County, IL, Macon County, IL, Macoupin County, IL, Madison County, IL, Marion County, IL, Marshall County, IL, Mason County, IL, McLean County, IL, Menard County, IL, Monroe County, IL, Montgomery County, IL, Morgan County, IL, Moultrie County, IL, Piatt County, IL, Randolph County, IL, Saint Clair County, IL, Sangamon County, IL, Scott County, IL, Shelby County, IL, Tazewell County, IL, Vermilion County, IL, Washington County, IL, Will County, IL, Woodford County, IL, Benton County, IN, Carroll County, IN, Cass County, IN, Clinton County, IN, DeKalb County, IN, Elkhart County, IN, Fountain County, IN, Fulton County, IN, Howard County, IN, Jasper County, IN, Kosciusko County, IN, LaGrange County, IN, Lake County, IN, LaPorte County, IN, Marshall County, IN, Miami County, IN, Montgomery County, IN, Newton County, IN, Noble County, IN, Parke County, IN, Porter County, IN, Pulaski County, IN, Saint Joseph County, IN, Starke County, IN, Steuben County, IN, Tippecanoe County, IN, Vermillion County, IN, Wabash County, IN, Warren County, IN, White County, IN, Whitley County, IN, Alcona County, MI, Allegan County, MI, Alpena County, MI, Arenac County, MI, Barry County, MI, Bay County, MI, Berrien 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, Kalkaska County, MI, Kent County, MI, Lake County, MI, Lapeer County, MI, Lenawee County, MI, Livingston County, MI, Macomb County, MI, Mecosta County, MI, Midland County, MI, Missaukee County, MI, Montcalm County, MI, Montmorency County, MI, Muskegon County, MI, Newaygo County, MI, Oakland County, MI, Oceana County, MI, Ogemaw County, MI, Osceola County, MI, Oscoda County, MI, Otsego County, MI, Ottawa County, MI, Presque Isle County, MI, Roscommon County, MI, Saginaw County, MI, Saint Clair County, MI, Saint Joseph County, MI, Sanilac County, MI, Shiawassee County, MI, Tuscola County, MI, Van Buren County, MI, Washtenaw County, MI, Wexford County, MI, City of Saint Louis, MO, Crawford County, MO, Franklin County, MO, Jefferson County, MO, Saint Charles County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, Washington County, MO, Williams County, OH, Kenosha County, WI, Racine County, WI

The radar

The Northern Indiana radar (KIWX), 97 km from the middle of the area, began a volume at 18:00 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 nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 6.0 hours before the alert went out and 297 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 4 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 408 m above ground
0-6 km bulk shear: 79 kt
0-1 km storm-relative helicity: 264 m²/s²
0-3 km storm-relative helicity: 156 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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
Jan 12, 6:02 PM CST	Mesoscale Discussion	SPC	Calhoun	88 min
Jan 12, 7:34 PM CST	Mesoscale Discussion	SPC	Brown, Bureau, Cass, Cook, DeKalb, DeWitt and 24 more	86 min
Jan 12, 9:28 PM CST	Mesoscale Discussion	SPC	Alexander, Bond, Clinton, Fayette, Jackson, Jersey and 9 more	32 min
Jan 12, 9:45 PM CST	Severe Thunderstorm Watch	SPC	Alexander, Bond, Clinton, Effingham, Fayette, Greene and 14 more	5 hr
Jan 13, 1:02 AM CST	Mesoscale Discussion	SPC	Alexander, Bond, Clay, Clinton, Coles, Cumberland and 13 more	88 min
Jan 13, 6:51 AM CST	Mesoscale Discussion	SPC	Adams, Brown, Calhoun, Cass, Fulton, Greene and 15 more	4 hr
Jan 12, 6:50 PM CST	Mesoscale Discussion	SPC	Adair, Caldwell, Carroll, Cass, Jackson, Lafayette and 6 more	4 hr
Jan 12, 10:16 PM CST	Mesoscale Discussion	SPC	Dunklin	59 min
Jan 13, 11:25 AM CST	Severe Thunderstorm Watch	SPC	Adams, Athens, Fayette, Gallia, Highland, Hocking and 10 more	6 hr
Jan 13, 12:48 PM CST	Mesoscale Discussion	SPC	Ashland, Ashtabula, Athens, Belmont, Carroll, Columbiana and 43 more	117 min
Jan 13, 1:50 PM CST	Severe Thunderstorm Watch	SPC	Ashtabula, Belmont, Carroll, Columbiana, Coshocton, Fairfield and 17 more	4 hr
Jan 13, 4:29 PM CST	Mesoscale Discussion	SPC	Monroe, Washington	31 min

Nearby

Mesoscale Discussions in Michigan, 2005 Mesoscale Discussions in Illinois, 2005 Mesoscale Discussions in Indiana, 2005 Every 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.