Alert archive / Iowa / Mesoscale Discussions in 2013

Mesoscale Discussion 408

April 9, 201331 counties in Iowa; 6 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at Apr 9, 2013, 5:12 AM CDT for 31 counties in Iowa; 6 counties in Nebraska. It was in force for 93 min.

The area

The outline as issued.

The facts

Issued: Apr 9, 2013, 5:12 AM CDT (10:12 UTC)
Expired: Apr 9, 2013, 6:45 AM CDT
In force: 93 min
Issued by: the Storm Prediction Center
Chance of a watch: 5%

All 37 counties

Audubon County, IA, Boone County, IA, Buena Vista County, IA, Butler County, IA, Calhoun County, IA, Carroll County, IA, Cerro Gordo County, IA, Crawford County, IA, Dallas County, IA, Floyd County, IA, Franklin County, IA, Greene County, IA, Grundy County, IA, Guthrie County, IA, Hamilton County, IA, Hardin County, IA, Harrison County, IA, Humboldt County, IA, Ida County, IA, Jasper County, IA, Marshall County, IA, Monona County, IA, Pocahontas County, IA, Polk County, IA, Pottawattamie County, IA, Sac County, IA, Shelby County, IA, Story County, IA, Webster County, IA, Woodbury County, IA, Wright County, IA, Burt County, NE, Dodge County, NE, Douglas County, NE, Saunders County, NE, Thurston County, NE, Washington County, NE

The radar

The Des Moines radar (KDMX), 119 km from the middle of the area, began a volume at 10:14 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, 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
Apr 8, 11:15 PM CDT	Mesoscale Discussion	SPC	Harrison	90 min
Apr 9, 10:27 AM CDT	Mesoscale Discussion	SPC	Clayton, Dubuque	3 hr
Apr 9, 5:45 PM CDT	Severe Thunderstorm Watch	SPC	Fremont, Mills, Montgomery, Page	7 hr
Apr 8, 8:43 PM CDT	Mesoscale Discussion	SPC	Chase, Dundy	62 min
Apr 9, 12:30 PM CDT	Mesoscale Discussion	SPC	Antelope, Boone, Buffalo, Custer, Dawson, Franklin and 21 more	4 hr
Apr 9, 6:46 PM CDT	Mesoscale Discussion	SPC	Arthur, Banner, Blaine, Box Butte, Boyd, Brown and 18 more	5 hr

Nearby

Mesoscale Discussions in Iowa, 2013 Mesoscale Discussions in Nebraska, 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.