Alert archive / Michigan / Mesoscale Discussions in 2007
Mesoscale Discussion 762
The Storm Prediction Center issued this mesoscale discussion at May 9, 2007, 2:38 PM EDT for 4 states. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- May 9, 2007, 2:38 PM EDT (18:38 UTC)
- Expired
- May 9, 2007, 4:45 PM EDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 52 counties
DeKalb County, IN, Elkhart County, IN, LaGrange County, IN, Noble County, IN, Saint Joseph County, IN, Steuben County, IN, Allegan County, MI, Barry County, MI, Berrien County, MI, Branch County, MI, Calhoun County, MI, Cass County, MI, Clinton County, MI, Eaton 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, Mason County, MI, Monroe County, MI, Montcalm County, MI, Muskegon County, MI, Newaygo County, MI, Oceana County, MI, Ottawa County, MI, Saint Joseph County, MI, Van Buren County, MI, Washtenaw County, MI, Wayne County, MI, Fulton County, OH, Lucas County, OH, Williams County, OH, Brown County, WI, Calumet County, WI, Dodge County, WI, Fond du Lac County, WI, Green Lake County, WI, Kenosha County, WI, Kewaunee County, WI, Manitowoc County, WI, Milwaukee County, WI, Outagamie County, WI, Ozaukee County, WI, Racine County, WI, Sheboygan County, WI, Washington County, WI, Waukesha County, WI, Winnebago County, WI
The radar
The Grand Rapids radar (KGRR), 39 km from the middle of the area, began a volume at 18:39 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
Green Bay/Straub, WI (KGRB), launched 12:00Z, 6.6 hours before the alert went out and 275 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
- 1646 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 65 m²/s²
- 0-3 km storm-relative helicity
- 80 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 |
|---|---|---|---|---|
| May 9, 4:44 AM EDT | Mesoscale Discussion | SPC | Benzie, Charlevoix, Delta, Dickinson, Grand Traverse, Iron and 5 more | 3 hr |
Nearby
Mesoscale Discussions in Michigan, 2007Mesoscale Discussions in Wisconsin, 2007Mesoscale Discussions in Indiana, 2007Every mesoscale discussion in 2007
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.