Alert archive / Michigan / Mesoscale Discussions in 2013

Mesoscale Discussion 1783

August 27, 201330 counties in Michigan; 19 counties in Wisconsin

The Storm Prediction Center issued this mesoscale discussion at Aug 27, 2013, 3:15 PM EDT for 30 counties in Michigan; 19 counties in Wisconsin. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued: Aug 27, 2013, 3:15 PM EDT (19:15 UTC)
Expired: Aug 27, 2013, 5:45 PM EDT
In force: 3 hr
Issued by: the Storm Prediction Center
Chance of a watch: 40%

All 49 counties

Allegan County, MI, Barry County, MI, Benzie County, MI, Branch County, MI, Calhoun County, MI, Cass County, MI, Clare County, MI, Clinton County, MI, Eaton County, MI, Gratiot County, MI, Hillsdale County, MI, Ingham County, MI, Ionia County, MI, Isabella County, MI, Jackson County, MI, Kalamazoo County, MI, Kent County, MI, Lake County, MI, Manistee County, MI, Mason County, MI, Mecosta County, MI, Midland County, MI, Montcalm County, MI, Muskegon County, MI, Newaygo County, MI, Oceana County, MI, Osceola County, MI, Ottawa County, MI, Saint Joseph County, MI, Wexford County, MI, Brown County, WI, Calumet County, WI, Door County, WI, Fond du Lac County, WI, Green Lake County, WI, Kewaunee County, WI, Langlade County, WI, Manitowoc County, WI, Marinette County, WI, Menominee County, WI, Oconto County, WI, Outagamie County, WI, Ozaukee County, WI, Portage County, WI, Shawano County, WI, Sheboygan County, WI, Waupaca County, WI, Waushara County, WI, Winnebago County, WI

The radar

The Grand Rapids radar (KGRR), 103 km from the middle of the area, began a volume at 19:17 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.

Severe Thunderstorm Watch 498Aug 27, 4:55 PM EDT

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
Aug 27, 4:52 PM EDT	Severe Thunderstorm Watch	SPC	Barry, Bay, Calhoun, Clare, Clinton, Eaton and 24 more	5 hr
Aug 27, 7:14 PM EDT	Mesoscale Discussion	SPC	Barry, Branch, Calhoun, Clinton, Eaton, Genesee and 16 more	91 min
Aug 26, 9:10 PM EDT	Mesoscale Discussion	SPC	Burnett, Langlade, Lincoln, Oneida, Price, Rusk and 2 more	95 min
Aug 26, 10:36 PM EDT	Mesoscale Discussion	SPC	Clark, Florence, Forest, Iron, Langlade, Lincoln and 10 more	84 min
Aug 27, 5:03 AM EDT	Mesoscale Discussion	SPC	Brown, Calumet, Forest, Kewaunee, Langlade, Lincoln and 9 more	117 min

Nearby

Mesoscale Discussions in Michigan, 2013 Mesoscale Discussions in Wisconsin, 2013 Every mesoscale discussion in 2013

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.