Alert archive / Michigan / Mesoscale Discussions in 2018

Mesoscale Discussion 1523

October 4, 201810 counties in Michigan

The Storm Prediction Center issued this mesoscale discussion at Oct 4, 2018, 12:46 AM EDT for 10 counties in Michigan. It was in force for 119 min.

The area

The outline as issued.

The facts

Issued: Oct 4, 2018, 12:46 AM EDT (04:46 UTC)
Expired: Oct 4, 2018, 2:45 AM EDT
In force: 119 min
Issued by: the Storm Prediction Center
Chance of a watch: 20%

Counties Clare County, MI, Gladwin County, MI, Isabella County, MI, Lake County, MI, Mason County, MI, Mecosta County, MI, Newaygo County, MI, Oceana County, MI, Osceola County, MI, Roscommon County, MI

The radar

The Grand Rapids radar (KGRR), 107 km from the middle of the area, began a volume at 04:48 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.

Issued	Product	Office	Counties	Lasted
Oct 3, 10:22 PM EDT	Mesoscale Discussion	SPC	Antrim, Arenac, Bay, Benzie, Charlevoix, Cheboygan and 25 more	113 min

Nearby

Mesoscale Discussions in Michigan, 2018 Every mesoscale discussion in 2018

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.