Alert archive / Michigan / Mesoscale Discussions in 2017

Mesoscale Discussion 1518

August 17, 201719 counties in Michigan

The Storm Prediction Center issued this mesoscale discussion at Aug 17, 2017, 7:20 PM EDT for 19 counties in Michigan. It was in force for 115 min.

The area

The outline as issued.

The facts

Issued
Aug 17, 2017, 7:20 PM EDT (23:20 UTC)
Expired
Aug 17, 2017, 9:15 PM EDT
In force
115 min
Issued by
the Storm Prediction Center
Chance of a watch
5%

Counties Alcona County, MI, Alpena County, MI, Arenac County, MI, Bay County, MI, Cheboygan County, MI, Genesee County, MI, Huron County, MI, Iosco County, MI, Lapeer County, MI, Macomb County, MI, Montmorency County, MI, Oakland County, MI, Ogemaw County, MI, Oscoda County, MI, Otsego County, MI, Saint Clair County, MI, Sanilac County, MI, Tuscola County, MI, Wayne County, MI

The radar

The NCL Michigan radar (KAPX), 127 km from the middle of the area, began a volume at 23:23 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.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 17, 12:04 PM EDTMesoscale DiscussionSPCHillsdale, Lenawee, Monroe116 min

Nearby

Mesoscale Discussions in Michigan, 2017Every mesoscale discussion in 2017

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.