Alert archive / Missouri / Mesoscale Discussions in 2022

Mesoscale Discussion 804

May 17, 2022Adams County, Hancock County, Illinois; 4 counties in Iowa; 16 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at May 17, 2022, 6:12 PM CDT for Adams County, Hancock County, Illinois; 4 counties in Iowa; 16 counties in Missouri. It was in force for 93 min.

The area

The outline as issued.

The facts

Issued: May 17, 2022, 6:12 PM CDT (23:12 UTC)
Expired: May 17, 2022, 7:45 PM CDT
In force: 93 min
Issued by: the Storm Prediction Center
Concerning: Severe thunderstorm watch 235

All 22 counties

Appanoose County, IA, Davis County, IA, Van Buren County, IA, Wayne County, IA, Adams County, IL, Hancock County, IL, Adair County, MO, Clark County, MO, Daviess County, MO, Grundy County, MO, Knox County, MO, Lewis County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Marion County, MO, Mercer County, MO, Putnam County, MO, Schuyler County, MO, Scotland County, MO, Shelby County, MO, Sullivan County, MO

The radar

The Des Moines radar (KDMX), 195 km from the middle of the area, began a volume at 23:12 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>

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 17, 8:56 AM CDT	Mesoscale Discussion	SPC	Harrison, Monona, Woodbury	2 hr
May 17, 1:28 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Cass, Crawford, Fremont and 12 more	2 hr
May 17, 4:18 PM CDT	Mesoscale Discussion	SPC	Decatur, Ringgold, Taylor	87 min
May 17, 4:45 PM CDT	Severe Thunderstorm Watch	SPC	Appanoose, Davis, Decatur, Ringgold, Wayne	4 hr

Nearby

Mesoscale Discussions in Missouri, 2022 Mesoscale Discussions in Iowa, 2022 Mesoscale Discussions in Illinois, 2022 Every mesoscale discussion in 2022

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.