Alert archive / Michigan / Mesoscale Discussions in 2020

Mesoscale Discussion 1439

August 9, 20206 counties in Michigan; Florence County, Iron County, Vilas County, Wisconsin

The Storm Prediction Center issued this mesoscale discussion at Aug 9, 2020, 8:01 PM EDT for 6 counties in Michigan; Florence County, Iron County, Vilas County, Wisconsin. It was in force for 119 min.

The area

The outline as issued.

The facts

Issued
Aug 9, 2020, 8:01 PM EDT (00:01 UTC)
Expired
Aug 9, 2020, 10:00 PM EDT
In force
119 min
Issued by
the Storm Prediction Center
Concerning
Severe potential...watch unlikely
Chance of a watch
20%

Counties Baraga County, MI, Gogebic County, MI, Houghton County, MI, Iron County, MI, Marquette County, MI, Ontonagon County, MI, Florence County, WI, Iron County, WI, Vilas County, WI

The radar

The Marquette radar (KMQT), 128 km from the middle of the area, began a volume at 00:01 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 9, 11:11 PM EDTMesoscale DiscussionSPCAlger, Delta, Dickinson, Luce, Mackinac, Marquette and 2 more34 min
Aug 10, 1:44 PM EDTMesoscale DiscussionSPCDelta, Dickinson, Iron, Menominee61 min
Aug 10, 1:58 PM EDTSevere Thunderstorm WatchSPCAlger, Delta, Dickinson, Luce, Menominee, Schoolcraft6 hr
Aug 10, 3:28 PM EDTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 9 more92 min
Aug 10, 4:26 PM EDTSevere Thunderstorm WatchSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 14 more5 hr
Aug 10, 4:36 PM EDTMesoscale DiscussionSPCAllegan, Berrien, Cass, Ottawa, Van Buren84 min
Aug 10, 4:46 PM EDTMesoscale DiscussionSPCAntrim, Benzie, Charlevoix, Cheboygan, Chippewa, Clare and 24 more89 min
Aug 10, 6:17 PM EDTMesoscale DiscussionSPCAllegan, Barry, Branch, Calhoun, Cass, Clinton and 23 more118 min
Aug 9, 11:59 PM EDTMesoscale DiscussionSPCBarron, Buffalo, Chippewa, Clark, Dunn, Eau Claire and 11 more3 hr
Aug 10, 3:30 AM EDTMesoscale DiscussionSPCBuffalo, Dunn, Eau Claire, Jackson, La Crosse, Pepin and 4 more90 min
Aug 10, 7:42 AM EDTMesoscale DiscussionSPCAdams, Columbia, Green Lake, Juneau, La Crosse, Marquette and 6 more2 hr
Aug 10, 11:42 AM EDTMesoscale DiscussionSPCCrawford, Dane, Grant, Green, Iowa, Jefferson and 10 more93 min
Aug 10, 12:26 PM EDTSevere Thunderstorm Watch PDSSPCDane, Grant, Green, Iowa, Jefferson, Kenosha and 6 more7 hr
Aug 10, 2:36 PM EDTMesoscale DiscussionSPCGreen, Kenosha, Lafayette, Racine, Rock, Walworth114 min

Nearby

Mesoscale Discussions in Michigan, 2020Mesoscale Discussions in Wisconsin, 2020Every mesoscale discussion in 2020

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.