Alert archive / Oklahoma / Mesoscale Discussions in 2015

Mesoscale Discussion 315

April 16, 201513 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at Apr 16, 2015, 4:44 PM CDT for 13 counties in Oklahoma. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued
Apr 16, 2015, 4:44 PM CDT (21:44 UTC)
Expired
Apr 16, 2015, 7:15 PM CDT
In force
3 hr
Issued by
the Storm Prediction Center
Chance of a watch
60%

Counties Beckham County, OK, Blaine County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Greer County, OK, Harper County, OK, Kiowa County, OK, Major County, OK, Roger Mills County, OK, Washita County, OK, Woods County, OK, Woodward County, OK

The radar

The Altus AFB radar (KFDR), 134 km from the middle of the area, began a volume at 21:44 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, 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.

IssuedProductOfficeCountiesLasted
Apr 16, 12:17 PM CDTMesoscale DiscussionSPCBeaver, Harper118 min
Apr 16, 1:48 PM CDTTornado WatchSPCBeaver, Texas8 hr
Apr 16, 2:42 PM CDTMesoscale DiscussionSPCLove63 min
Apr 16, 4:06 PM CDTMesoscale DiscussionSPCJackson2 hr
Apr 16, 4:40 PM CDTSevere Thunderstorm WatchSPCComanche, Cotton, Greer, Harmon, Jackson, Kiowa and 1 more7 hr
Apr 16, 4:59 PM CDTSevere Thunderstorm WatchSPCAlfalfa, Beckham, Blaine, Caddo, Custer, Dewey and 9 more7 hr
Apr 16, 5:06 PM CDTMesoscale DiscussionSPCBeaver, Texas84 min
Apr 16, 5:29 PM CDTMesoscale DiscussionSPCCimarron91 min
Apr 16, 5:41 PM CDTMesoscale DiscussionSPCBeckham, Roger Mills94 min
Apr 16, 6:09 PM CDTTornado WatchSPCBeckham, Ellis, Greer, Harmon, Roger Mills6 hr

Nearby

Mesoscale Discussions in Oklahoma, 2015Every mesoscale discussion in 2015

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.