Alert archive / South Dakota / Mesoscale Discussions in 2020

Mesoscale Discussion 1176

July 10, 20205 states

The Storm Prediction Center issued this mesoscale discussion at Jul 10, 2020, 2:43 PM MDT for 5 states. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Jul 10, 2020, 2:43 PM MDT (20:43 UTC)
Expired
Jul 10, 2020, 4:45 PM MDT
In force
2 hr
Issued by
the Storm Prediction Center
Concerning
Severe thunderstorm watch 352
All 62 counties

Carter County, MT, Daniels County, MT, Dawson County, MT, Fallon County, MT, Richland County, MT, Roosevelt County, MT, Sheridan County, MT, Wibaux County, MT, Adams County, ND, Billings County, ND, Bowman County, ND, Burke County, ND, Burleigh County, ND, Divide County, ND, Dunn County, ND, Emmons County, ND, Golden Valley County, ND, Grant County, ND, Hettinger County, ND, McKenzie County, ND, McLean County, ND, Mercer County, ND, Morton County, ND, Mountrail County, ND, Oliver County, ND, Renville County, ND, Sioux County, ND, Slope County, ND, Stark County, ND, Ward County, ND, Williams County, ND, Dawes County, NE, Keya Paha County, NE, Bennett County, SD, Butte County, SD, Campbell County, SD, Corson County, SD, Custer County, SD, Dewey County, SD, Fall River County, SD, Haakon County, SD, Harding County, SD, Hughes County, SD, Hyde County, SD, Jackson County, SD, Jones County, SD, Lawrence County, SD, Lyman County, SD, Meade County, SD, Mellette County, SD, Oglala Lakota County, SD, Pennington County, SD, Perkins County, SD, Potter County, SD, Stanley County, SD, Sully County, SD, Todd County, SD, Tripp County, SD, Walworth County, SD, Ziebach County, SD, Crook County, WY, Weston County, WY

The radar

The Bismarck radar (KBIS), 216 km from the middle of the area, began a volume at 20:46 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
Jul 10, 12:26 PM MDTMesoscale DiscussionSPCCarter, Fallon, Richland, Wibaux2 hr
Jul 10, 1:08 PM MDTSevere Thunderstorm WatchSPCDaniels, Dawson, Richland, Roosevelt, Sheridan, Wibaux8 hr
Jul 9, 8:05 PM MDTMesoscale DiscussionSPCArthur, Box Butte, Cheyenne, Deuel, Garden, Grant and 2 more55 min
Jul 10, 12:09 AM MDTMesoscale DiscussionSPCAdams, Buffalo, Custer, Dawson, Franklin, Gosper and 5 more3 hr
Jul 10, 8:13 AM MDTMesoscale DiscussionSPCBrown, Cherry, Keya Paha, Rock62 min
Jul 10, 1:34 PM MDTMesoscale DiscussionSPCAntelope, Blaine, Boone, Brown, Buffalo, Cherry and 21 more116 min
Jul 10, 2:14 PM MDTMesoscale DiscussionSPCArthur, Box Butte, Dawes, Deuel, Garden, Grant and 4 more2 hr
Jul 10, 4:35 PM MDTSevere Thunderstorm WatchSPCAdams, Buffalo, Dawson, Franklin, Furnas, Gosper and 5 more3 hr
Jul 10, 5:31 PM MDTMesoscale DiscussionSPCCherry119 min

Nearby

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