Alert archive / Montana / Mesoscale Discussions in 2013

Mesoscale Discussion 1028

June 11, 201318 counties in Montana; 5 counties in Wyoming

The Storm Prediction Center issued this mesoscale discussion at Jun 11, 2013, 12:05 PM MDT for 18 counties in Montana; 5 counties in Wyoming. It was in force for 85 min.

The area

The outline as issued.

The facts

Issued: Jun 11, 2013, 12:05 PM MDT (18:05 UTC)
Expired: Jun 11, 2013, 1:30 PM MDT
In force: 85 min
Issued by: the Storm Prediction Center
Chance of a watch: 80%

All 23 counties

Beaverhead County, MT, Big Horn County, MT, Carbon County, MT, Fergus County, MT, Gallatin County, MT, Garfield County, MT, Golden Valley County, MT, Madison County, MT, Musselshell County, MT, Park County, MT, Petroleum County, MT, Rosebud County, MT, Stillwater County, MT, Sweet Grass County, MT, Treasure County, MT, Valley County, MT, Wheatland County, MT, Yellowstone County, MT, Big Horn County, WY, Campbell County, WY, Johnson County, WY, Sheridan County, WY, Washakie County, WY

The radar

The Billings radar (KBLX), 22 km from the middle of the area, began a volume at 18:06 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 296Jun 11, 1:10 PM MDT

The text

As transmitted, in the capitals the NWS used until 2016.

<!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.

Issued	Product	Office	Counties	Lasted
Jun 11, 1:07 PM MDT	Severe Thunderstorm Watch	SPC	Big Horn, Carbon, Carter, Custer, Fallon, Garfield and 11 more	8 hr
Jun 11, 4:06 PM MDT	Mesoscale Discussion	SPC	Big Horn, Carter, Custer, Garfield, Musselshell, Petroleum and 4 more	84 min

Nearby

Mesoscale Discussions in Montana, 2013 Mesoscale Discussions in Wyoming, 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.