Alert archive / South Dakota / Mesoscale Discussions in 2020

Mesoscale Discussion 1109

July 5, 20205 counties in North Dakota; 24 counties in South Dakota

The Storm Prediction Center issued this mesoscale discussion at Jul 5, 2020, 3:32 PM CDT for 5 counties in North Dakota; 24 counties in South Dakota. It was in force for 118 min.

The area

The outline as issued.

The facts

Issued
Jul 5, 2020, 3:32 PM CDT (20:32 UTC)
Expired
Jul 5, 2020, 5:30 PM CDT
In force
118 min
Issued by
the Storm Prediction Center
Concerning
Severe potential...watch likely
Chance of a watch
80%
All 29 counties

Dickey County, ND, LaMoure County, ND, McIntosh County, ND, Ransom County, ND, Sargent County, ND, Beadle County, SD, Brown County, SD, Buffalo County, SD, Campbell County, SD, Day County, SD, Dewey County, SD, Edmunds County, SD, Faulk County, SD, Haakon County, SD, Hand County, SD, Hughes County, SD, Hyde County, SD, Jackson County, SD, Jones County, SD, Lyman County, SD, Marshall County, SD, McPherson County, SD, Mellette County, SD, Potter County, SD, Spink County, SD, Stanley County, SD, Sully County, SD, Walworth County, SD, Ziebach County, SD

The radar

The Aberdeen radar (KABR), 130 km from the middle of the area, began a volume at 20:34 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.

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
Jul 4, 9:46 PM CDTMesoscale DiscussionSPCBillings, Bowman, Divide, Dunn, Golden Valley, Hettinger and 4 more119 min
Jul 4, 10:42 PM CDTSevere Thunderstorm WatchSPCAdams, Billings, Bowman, Burke, Divide, Dunn and 9 more5 hr
Jul 5, 1:25 AM CDTMesoscale DiscussionSPCAdams, Burke, Divide, Dunn, Grant, Hettinger and 11 more2 hr
Jul 5, 4:41 PM CDTSevere Thunderstorm WatchSPCAdams, Barnes, Bowman, Burleigh, Cass, Dickey and 13 more6 hr
Jul 5, 6:29 PM CDTMesoscale DiscussionSPCAdams, Dickey, Emmons, Grant, Hettinger, LaMoure and 6 more2 hr
Jul 4, 7:38 PM CDTMesoscale DiscussionSPCBrown, Edmunds, McPherson67 min
Jul 5, 4:00 PM CDTMesoscale DiscussionSPCCuster, Fall River, Lawrence, Pennington2 hr
Jul 5, 5:13 PM CDTSevere Thunderstorm WatchSPCBennett, Butte, Custer, Fall River, Haakon, Harding and 10 more7 hr

Nearby

Mesoscale Discussions in South Dakota, 2020Mesoscale Discussions in North Dakota, 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.