Alert archive / Michigan / Mesoscale Discussions in 2008
Mesoscale Discussion 1983
The Storm Prediction Center issued this mesoscale discussion at Aug 1, 2008, 1:29 PM EDT for 62 counties in Michigan; 25 counties in Wisconsin. It was in force for 61 min.
The area
The outline as issued.
The facts
- Issued
- Aug 1, 2008, 1:29 PM EDT (17:29 UTC)
- Expired
- Aug 1, 2008, 2:30 PM EDT
- In force
- 61 min
- Issued by
- the Storm Prediction Center
All 87 counties
Alcona County, MI, Allegan County, MI, Alpena County, MI, Antrim County, MI, Arenac County, MI, Barry County, MI, Bay County, MI, Benzie County, MI, Calhoun County, MI, Charlevoix County, MI, Clare County, MI, Clinton County, MI, Crawford County, MI, Delta County, MI, Dickinson County, MI, Eaton County, MI, Genesee County, MI, Gladwin County, MI, Grand Traverse County, MI, Gratiot 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, Leelanau County, MI, Livingston County, MI, Macomb County, MI, Manistee County, MI, Mason County, MI, Mecosta County, MI, Menominee County, MI, Midland County, MI, Missaukee County, MI, Monroe 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, Roscommon 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, Wexford County, MI, Brown County, WI, Calumet County, WI, Columbia County, WI, Dodge County, WI, Door County, WI, Fond du Lac County, WI, Green Lake County, WI, Jefferson County, WI, Kewaunee County, WI, Manitowoc County, WI, Marinette County, WI, Marquette County, WI, Menominee County, WI, Milwaukee County, WI, Oconto County, WI, Outagamie County, WI, Ozaukee County, WI, Racine County, WI, Shawano County, WI, Sheboygan County, WI, Washington County, WI, Waukesha County, WI, Waupaca County, WI, Waushara County, WI, Winnebago County, WI
The radar
The Grand Rapids radar (KGRR), 111 km from the middle of the area, began a volume at 17:29 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
Green Bay/Straub, WI (KGRB), launched 12:00Z, 5.5 hours before the alert went out and 194 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
- 1166 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 26 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 |
|---|---|---|---|---|
| Aug 1, 1:53 PM EDT | Severe Thunderstorm Watch | SPC | Alger, Delta, Dickinson, Iron, Marquette, Menominee and 1 more | 5 hr |
| Aug 1, 2:37 PM EDT | Severe Thunderstorm Watch | SPC | Allegan, Arenac, Barry, Bay, Benzie, Calhoun and 42 more | 4 hr |
| Aug 1, 3:12 PM EDT | Severe Thunderstorm Watch | SPC | Berrien, Branch, Cass, Hillsdale, Saint Joseph | 6 hr |
| Aug 1, 4:48 PM EDT | Mesoscale Discussion | SPC | Alger, Charlevoix, Delta, Dickinson, Iron, Leelanau and 3 more | 87 min |
| Aug 1, 6:44 PM EDT | Mesoscale Discussion | SPC | Berrien, Branch, Cass, Hillsdale, Lenawee, Saint Joseph | 91 min |
Nearby
Mesoscale Discussions in Michigan, 2008Mesoscale Discussions in Wisconsin, 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.