Alert archive / Missouri / Mesoscale Discussions in 2013

Mesoscale Discussion 900

May 31, 201314 counties in Kansas; 17 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at May 31, 2013, 4:51 AM CDT for 14 counties in Kansas; 17 counties in Missouri. It was in force for 114 min.

The area

The outline as issued.

The facts

Issued
May 31, 2013, 4:51 AM CDT (09:51 UTC)
Expired
May 31, 2013, 6:45 AM CDT
In force
114 min
Issued by
the Storm Prediction Center
All 31 counties

Chase County, KS, Douglas County, KS, Franklin County, KS, Geary County, KS, Jefferson County, KS, Johnson County, KS, Leavenworth County, KS, Lyon County, KS, Miami County, KS, Morris County, KS, Osage County, KS, Shawnee County, KS, Wabaunsee County, KS, Wyandotte County, KS, Caldwell County, MO, Carroll County, MO, Cass County, MO, Chariton County, MO, Clay County, MO, Clinton County, MO, Cooper County, MO, Howard County, MO, Jackson County, MO, Johnson County, MO, Lafayette County, MO, Linn County, MO, Livingston County, MO, Pettis County, MO, Platte County, MO, Ray County, MO, Saline County, MO

The radar

The Topeka radar (KTWX), 82 km from the middle of the area, began a volume at 09:51 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 nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 9.9 hours before the alert went out and 37 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Topeka, KS at 00:00Z on 2013-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 753 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 00:00Z on 2013-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
753 J/kg
Mixed-layer CIN
-70 J/kg
Mixed-layer LCL
971 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
31 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

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
May 30, 9:47 PM CDTMesoscale DiscussionSPCBarton, Butler, Chase, Dickinson, Ellsworth, Harvey and 10 more58 min
May 31, 2:05 AM CDTMesoscale DiscussionSPCAtchison, Dickinson, Douglas, Geary, Jackson, Jefferson and 8 more85 min
May 31, 2:44 AM CDTSevere Thunderstorm WatchSPCAtchison, Brown, Chase, Clay, Cloud, Dickinson and 24 more5 hr
May 31, 1:49 PM CDTMesoscale DiscussionSPCAllen, Bourbon, Cherokee, Crawford, Labette, Linn and 2 more116 min
May 31, 2:15 PM CDTTornado WatchSPCAllen, Bourbon, Cherokee, Crawford, Labette, Linn and 3 more8 hr
May 30, 7:04 PM CDTMesoscale DiscussionSPCPerry, City of Saint Louis56 min
May 30, 7:41 PM CDTMesoscale DiscussionSPCAtchison2 hr
May 30, 8:46 PM CDTTornado WatchSPCDunklin, Pemiscot7 hr
May 31, 1:57 AM CDTMesoscale DiscussionSPCButler, Carter, Oregon, Ripley93 min
May 31, 7:03 AM CDTMesoscale DiscussionSPCCass, Cooper, Howard, Johnson, Pettis57 min
May 31, 8:45 AM CDTMesoscale DiscussionSPCCallaway, Camden, Cole, Crawford, Dent, Franklin and 18 more90 min
May 31, 5:21 PM CDTMesoscale DiscussionSPCFranklin, Lincoln, Montgomery, Pike, Saint Charles, Saint Louis and 1 more54 min
May 31, 5:45 PM CDTTornado WatchSPCAudrain, Crawford, Franklin, Gasconade, Jefferson, Lincoln and 9 more4 hr

Nearby

Mesoscale Discussions in Missouri, 2013Mesoscale Discussions in Kansas, 2013Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.