Alert archive / Montana / Mesoscale Discussions in 2017

Mesoscale Discussion 661

May 7, 20179 counties in Montana; Butte County, Lawrence County, South Dakota; 7 counties in Wyoming

The Storm Prediction Center issued this mesoscale discussion at May 7, 2017, 5:35 PM MDT for 9 counties in Montana; Butte County, Lawrence County, South Dakota; 7 counties in Wyoming. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: May 7, 2017, 5:35 PM MDT (23:35 UTC)
Expired: May 7, 2017, 8:00 PM MDT
In force: 2 hr
Issued by: the Storm Prediction Center
Chance of a watch: 5%

Counties Big Horn County, MT, Carbon County, MT, Carter County, MT, Custer County, MT, Musselshell County, MT, Powder River County, MT, Rosebud County, MT, Treasure County, MT, Yellowstone County, MT, Butte County, SD, Lawrence County, SD, Big Horn County, WY, Campbell County, WY, Crook County, WY, Johnson County, WY, Sheridan County, WY, Washakie County, WY, Weston County, WY

The radar

The Billings radar (KBLX), 213 km from the middle of the area, began a volume at 23:35 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>

Nearby

Mesoscale Discussions in Montana, 2017 Mesoscale Discussions in Wyoming, 2017 Mesoscale Discussions in South Dakota, 2017 Every mesoscale discussion in 2017

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.