Alert archive / Michigan / Mesoscale Discussions in 2026

Mesoscale Discussion 2196

September 2, 202630 counties in Michigan; Kewaunee County, Manitowoc County, Wisconsin

The Storm Prediction Center issued this mesoscale discussion at Sep 2, 2026, 6:37 AM EDT for 30 counties in Michigan; Kewaunee County, Manitowoc County, Wisconsin. It was in force for 113 min.

The area

The outline as issued.

The facts

Issued
Sep 2, 2026, 6:37 AM EDT (10:37 UTC)
Expired
Sep 2, 2026, 8:30 AM EDT
In force
113 min
Issued by
the Storm Prediction Center
Concerning
Severe potential...watch unlikely
Chance of a watch
20%
All 32 counties

Arenac County, MI, Bay County, MI, Benzie County, MI, Clare County, MI, Crawford County, MI, Genesee County, MI, Gladwin County, MI, Gratiot County, MI, Huron County, MI, Iosco County, MI, Isabella County, MI, Kalkaska County, MI, Lake County, MI, Lapeer County, MI, Manistee County, MI, Mason County, MI, Mecosta County, MI, Midland County, MI, Missaukee County, MI, Montcalm County, MI, Newaygo County, MI, Oceana County, MI, Ogemaw County, MI, Osceola County, MI, Roscommon County, MI, Saginaw County, MI, Saint Clair County, MI, Sanilac County, MI, Tuscola County, MI, Wexford County, MI, Kewaunee County, WI, Manitowoc County, WI

The radar

The Grand Rapids radar (KGRR), 107 km from the middle of the area, began a volume at 10:40 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.

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 2, 3:21 PM EDTMesoscale DiscussionSPCBay, Huron, Sanilac, Tuscola84 min
Sep 2, 4:46 PM EDTMesoscale DiscussionSPCHillsdale, Lenawee, Macomb, Monroe, Oakland, Washtenaw and 1 more89 min
Sep 2, 12:56 AM EDTMesoscale DiscussionSPCBuffalo, Juneau, La Crosse, Monroe, Trempealeau, Vernon2 hr
Sep 2, 1:45 AM EDTSevere Thunderstorm WatchSPCAdams, Buffalo, Clark, Jackson, Juneau, La Crosse and 8 more5 hr
Sep 2, 3:08 AM EDTMesoscale DiscussionSPCBuffalo, Jackson, Juneau, La Crosse, Monroe, Trempealeau and 1 more97 min

Nearby

Mesoscale Discussions in Michigan, 2026Mesoscale Discussions in Wisconsin, 2026Every mesoscale discussion in 2026

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.