Alert archive / Montana / Mesoscale Discussions in 2007

Mesoscale Discussion 666

May 3, 200711 counties in Montana; Sheridan County, Wyoming

The Storm Prediction Center issued this mesoscale discussion at May 3, 2007, 1:35 PM MDT for 11 counties in Montana; Sheridan County, Wyoming. It was in force for 25 min.

The area

The outline as issued.

The facts

Issued: May 3, 2007, 1:35 PM MDT (19:35 UTC)
Expired: May 3, 2007, 2:00 PM MDT
In force: 25 min
Issued by: the Storm Prediction Center

Counties Big Horn County, MT, Custer County, MT, Garfield County, MT, McCone County, MT, Petroleum County, MT, Phillips County, MT, Powder River County, MT, Prairie County, MT, Rosebud County, MT, Treasure County, MT, Valley County, MT, Sheridan County, WY

The radar

The Glasgow radar (KGGW), 154 km from the middle of the area, began a volume at 19:37 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 218May 3, 1:40 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
May 3, 1:40 PM MDT	Severe Thunderstorm Watch	SPC	Big Horn, Custer, Daniels, Garfield, McCone, Musselshell and 9 more	6 hr
May 3, 5:59 PM MDT	Mesoscale Discussion	SPC	Custer, Daniels, Dawson, McCone, Powder River, Prairie and 4 more	61 min
May 3, 2:20 PM MDT	Mesoscale Discussion	SPC	Albany, Campbell, Converse, Goshen, Laramie, Niobrara and 2 more	85 min
May 3, 2:49 PM MDT	Severe Thunderstorm Watch	SPC	Campbell, Converse, Crook, Goshen, Johnson, Laramie and 4 more	6 hr

Nearby

Mesoscale Discussions in Montana, 2007 Mesoscale Discussions in Wyoming, 2007 Every mesoscale discussion in 2007

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.