Alert archive / Missouri / Mesoscale Discussions in 2004

Mesoscale Discussion 1225

June 12, 20044 states

The Storm Prediction Center issued this mesoscale discussion at Jun 12, 2004, 4:36 PM CDT for 4 states. It was in force for 84 min.

The area

The outline as issued.

The facts

Issued
Jun 12, 2004, 4:36 PM CDT (21:36 UTC)
Expired
Jun 12, 2004, 6:00 PM CDT
In force
84 min
Issued by
the Storm Prediction Center
All 47 counties

Benton County, AR, Carroll County, AR, Allen County, KS, Anderson County, KS, Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Franklin County, KS, Johnson County, KS, Labette County, KS, Linn County, KS, Miami County, KS, Neosho County, KS, Wyandotte County, KS, Barry County, MO, Barton County, MO, Bates County, MO, Caldwell County, MO, Carroll County, MO, Cass County, MO, Clay County, MO, Clinton County, MO, Dade County, MO, Daviess County, MO, DeKalb County, MO, Grundy County, MO, Harrison County, MO, Henry County, MO, Jackson County, MO, Jasper County, MO, Johnson County, MO, Lafayette County, MO, Lawrence County, MO, Linn County, MO, Livingston County, MO, McDonald County, MO, Mercer County, MO, Newton County, MO, Platte County, MO, Putnam County, MO, Ray County, MO, Stone County, MO, Sullivan County, MO, Vernon County, MO, Craig County, OK, Nowata County, OK, Ottawa County, OK

The radar

The Springfield radar (KSGF), 97 km from the middle of the area, began a volume at 21:36 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 9.6 hours before the alert went out and 106 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, Springfield, MO at 12:00Z on 2004-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2508 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, Springfield, MO at 12:00Z on 2004-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 square meters per square second.193958Sfc1 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
2508 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
749 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
0.8
Supercell composite
4.2

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
Jun 12, 11:38 AM CDTMesoscale DiscussionSPCBaxter, Benton, Boone, Carroll, Clay, Cleburne and 22 more2 hr
Jun 12, 1:35 PM CDTSevere Thunderstorm WatchSPCClay, Craighead, Crittenden, Cross, Fulton, Greene and 11 more5 hr
Jun 12, 3:10 PM CDTSevere Thunderstorm WatchSPCBaxter, Benton, Boone, Carroll, Madison, Marion and 5 more6 hr
Jun 12, 3:14 PM CDTMesoscale DiscussionSPCClay, Craighead, Crittenden, Cross, Fulton, Greene and 11 more2 hr
Jun 11, 7:58 PM CDTMesoscale DiscussionSPCAllen, Anderson, Atchison, Chase, Coffey, Doniphan and 16 more2 hr
Jun 11, 11:34 PM CDTMesoscale DiscussionSPCLeavenworth, Wyandotte116 min
Jun 12, 2:18 AM CDTMesoscale DiscussionSPCAllen, Bourbon, Cherokee, Crawford, Elk, Labette and 6 more87 min
Jun 12, 10:30 AM CDTMesoscale DiscussionSPCAllen, Anderson, Atchison, Bourbon, Brown, Chase and 28 more2 hr
Jun 12, 11:45 AM CDTTornado WatchSPCAtchison, Barton, Brown, Chase, Clay, Cloud and 28 more7 hr
Jun 12, 1:12 PM CDTMesoscale DiscussionSPCButler, Chase, Chautauqua, Coffey, Cowley, Elk and 13 more2 hr
Jun 12, 1:53 PM CDTMesoscale DiscussionSPCClay, Cloud, Dickinson, Geary, Jackson, Jewell and 16 more2 hr
Jun 12, 2:40 PM CDTTornado WatchSPCBarber, Butler, Chautauqua, Cowley, Elk, Greenwood and 9 more8 hr
Jun 12, 5:00 PM CDTMesoscale DiscussionSPCAtchison, Barton, Brown, Chase, Clay, Cloud and 29 more90 min
Jun 12, 5:37 PM CDTMesoscale DiscussionSPCBarber, Butler, Chautauqua, Coffey, Comanche, Cowley and 10 more83 min
Jun 12, 6:15 PM CDTTornado WatchSPCAnderson, Atchison, Barton, Brown, Chase, Clay and 36 more5 hr
Jun 12, 12:43 PM CDTMesoscale DiscussionSPCAtchison92 min
Jun 12, 3:51 PM CDTMesoscale DiscussionSPCBollinger, Cape Girardeau, Mississippi, Perry, Sainte Genevieve, Scott84 min
Jun 12, 4:15 PM CDTSevere Thunderstorm WatchSPCCape Girardeau, Mississippi, Scott5 hr
Jun 12, 6:08 PM CDTMesoscale DiscussionSPCCape Girardeau, Mississippi, Scott37 min
Jun 11, 8:17 PM CDTMesoscale DiscussionSPCComanche, Cotton, Jackson, Tillman88 min

Nearby

Mesoscale Discussions in Missouri, 2004Mesoscale Discussions in Kansas, 2004Mesoscale Discussions in Oklahoma, 2004Every mesoscale discussion in 2004

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.