Alert archive / Missouri / Mesoscale Discussions in 2010

Mesoscale Discussion 280

April 6, 20108 counties in Kansas; 28 counties in Missouri; 23 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at Apr 6, 2010, 11:24 PM CDT for 8 counties in Kansas; 28 counties in Missouri; 23 counties in Oklahoma. It was in force for 66 min.

The area

The outline as issued.

The facts

Issued
Apr 6, 2010, 11:24 PM CDT (04:24 UTC)
Expired
Apr 7, 2010, 12:30 AM CDT
In force
66 min
Issued by
the Storm Prediction Center
All 59 counties

Allen County, KS, Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Labette County, KS, Linn County, KS, Montgomery County, KS, Neosho County, KS, Audrain County, MO, Barton County, MO, Bates County, MO, Benton County, MO, Boone County, MO, Cass County, MO, Cedar County, MO, Chariton County, MO, Cooper County, MO, Dade County, MO, Henry County, MO, Hickory County, MO, Howard County, MO, Jasper County, MO, Johnson County, MO, Lafayette County, MO, Macon County, MO, Moniteau County, MO, Monroe County, MO, Morgan County, MO, Newton County, MO, Pettis County, MO, Ralls County, MO, Randolph County, MO, Saline County, MO, Shelby County, MO, St. Clair County, MO, Vernon County, MO, Cleveland County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Garvin County, OK, Hughes County, OK, Lincoln County, OK, Mayes County, OK, McClain County, OK, McIntosh County, OK, Murray County, OK, Nowata County, OK, Okfuskee County, OK, Okmulgee County, OK, Ottawa County, OK, Pontotoc County, OK, Pottawatomie County, OK, Rogers County, OK, Seminole County, OK, Stephens County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK

The radar

The Springfield radar (KSGF), 72 km from the middle of the area, began a volume at 04:23 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, 4.4 hours before the alert went out and 205 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 2010-04-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2010-04-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1914 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
238 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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
Apr 6, 8:28 PM CDTMesoscale DiscussionSPCAnderson, Coffey, Franklin, Johnson, Miami, Woodson62 min
Apr 6, 9:28 PM CDTSevere Thunderstorm WatchSPCAllen, Bourbon, Cherokee, Crawford, Labette, Linn and 3 more6 hr
Apr 7, 1:10 AM CDTMesoscale DiscussionSPCCherokee, Crawford95 min
Apr 6, 8:46 PM CDTMesoscale DiscussionSPCClark, Scotland59 min
Apr 7, 12:54 PM CDTMesoscale DiscussionSPCCape Girardeau, Perry3 hr
Apr 7, 1:24 PM CDTTornado WatchSPCBollinger, Butler, Cape Girardeau, Carter, Iron, Jefferson and 11 more8 hr
Apr 7, 1:29 PM CDTMesoscale DiscussionSPCDunklin, Pemiscot3 hr
Apr 7, 1:55 PM CDTSevere Thunderstorm WatchSPCDunklin, Pemiscot8 hr
Apr 7, 3:15 PM CDTMesoscale DiscussionSPCBollinger, Butler, Cape Girardeau, Mississippi, Perry, Scott and 1 more2 hr
Apr 7, 5:26 PM CDTMesoscale DiscussionSPCDunklin, Pemiscot2 hr
Apr 7, 5:43 PM CDTMesoscale DiscussionSPCBollinger, Butler, Cape Girardeau, Mississippi, Perry, Scott and 1 more62 min
Apr 6, 7:58 PM CDTMesoscale DiscussionSPCCreek, Kay, Lincoln, Logan, Noble, Oklahoma and 3 more62 min
Apr 6, 8:53 PM CDTSevere Thunderstorm WatchSPCAdair, Atoka, Bryan, Carter, Cherokee, Cleveland and 40 more7 hr

Nearby

Mesoscale Discussions in Missouri, 2010Mesoscale Discussions in Oklahoma, 2010Mesoscale Discussions in Kansas, 2010Every mesoscale discussion in 2010

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.