Alert archive / Missouri / Mesoscale Discussions in 2015

Mesoscale Discussion 80

February 20, 20154 states

The Storm Prediction Center issued this mesoscale discussion at Feb 20, 2015, 6:37 PM CST for 4 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Feb 20, 2015, 6:37 PM CST (00:37 UTC)
Expired: Feb 21, 2015, 12:30 AM CST
In force: 6 hr
Issued by: the Storm Prediction Center

All 85 counties

Alexander County, IL, Bond County, IL, Calhoun County, IL, Clinton County, IL, Edwards County, IL, Franklin County, IL, Gallatin County, IL, Hamilton County, IL, Hardin County, IL, Jackson County, IL, Jefferson County, IL, Jersey County, IL, Johnson County, IL, Madison County, IL, Marion County, IL, Massac County, IL, Monroe County, IL, Perry County, IL, Pope County, IL, Pulaski County, IL, Randolph County, IL, Saint Clair County, IL, Saline County, IL, Union County, IL, Washington County, IL, Wayne County, IL, White County, IL, Williamson County, IL, Posey County, IN, Ballard County, KY, Crittenden County, KY, Livingston County, KY, Union County, KY, Audrain County, MO, Benton County, MO, Bollinger County, MO, Boone County, MO, Callaway County, MO, Camden County, MO, Cape Girardeau County, MO, Carter County, MO, Cedar County, MO, Christian County, MO, City of Saint Louis, MO, Cole County, MO, Cooper County, MO, Crawford County, MO, Dade County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Franklin County, MO, Gasconade County, MO, Greene County, MO, Hickory County, MO, Iron County, MO, Jefferson County, MO, Laclede County, MO, Lincoln County, MO, Madison County, MO, Maries County, MO, Miller County, MO, Moniteau County, MO, Montgomery County, MO, Morgan County, MO, Osage County, MO, Perry County, MO, Pettis County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, Reynolds County, MO, Saint Charles County, MO, Saint Francois County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, Scott County, MO, Shannon County, MO, St. Clair County, MO, Texas County, MO, Warren County, MO, Washington County, MO, Wayne County, MO, Webster County, MO, Wright County, MO

The radar

The St Louis radar (KLSX), 86 km from the middle of the area, began a volume at 00:39 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
Feb 20, 10:22 PM CST	Mesoscale Discussion	SPC	Gallatin, Hardin, Pope, White	6 hr
Feb 20, 10:40 PM CST	Mesoscale Discussion	SPC	Christian, Clark, Coles, Douglas, Edgar, Macon and 4 more	3 hr
Feb 21, 2:19 AM CST	Mesoscale Discussion	SPC	Boone, Fayette, Hamilton, Hancock, Hendricks, Henry and 10 more	4 hr
Feb 21, 3:20 AM CST	Mesoscale Discussion	SPC	Breathitt, Floyd, Harlan, Johnson, Knott, Lawrence and 6 more	5 hr
Feb 21, 2:59 AM CST	Mesoscale Discussion	SPC	Butler, Carter, Christian, Douglas, Howell, Oregon and 6 more	2 hr

Nearby

Mesoscale Discussions in Missouri, 2015 Mesoscale Discussions in Illinois, 2015 Mesoscale Discussions in Kentucky, 2015 Every 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.