Alert archive / Illinois / Mesoscale Discussions in 2005

Mesoscale Discussion 1250

June 8, 200536 counties in Illinois; 12 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at Jun 8, 2005, 4:12 PM CDT for 36 counties in Illinois; 12 counties in Missouri. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Jun 8, 2005, 4:12 PM CDT (21:12 UTC)
Expired
Jun 8, 2005, 6:15 PM CDT
In force
2 hr
Issued by
the Storm Prediction Center
All 48 counties

Bond County, IL, Champaign County, IL, Christian County, IL, Clark County, IL, Clinton County, IL, Coles County, IL, Cook County, IL, Cumberland County, IL, DeWitt County, IL, Douglas County, IL, Edgar County, IL, Effingham County, IL, Fayette County, IL, Ford County, IL, Grundy County, IL, Iroquois County, IL, Jersey County, IL, Kankakee County, IL, Kendall County, IL, LaSalle County, IL, Livingston County, IL, Logan County, IL, Macon County, IL, Macoupin County, IL, Madison County, IL, McLean County, IL, Monroe County, IL, Montgomery County, IL, Moultrie County, IL, Piatt County, IL, Saint Clair County, IL, Sangamon County, IL, Shelby County, IL, Vermilion County, IL, Will County, IL, Woodford County, IL, City of Saint Louis, MO, Crawford County, MO, Dent County, MO, Franklin County, MO, Gasconade County, MO, Jefferson County, MO, Lincoln County, MO, Montgomery County, MO, Saint Charles County, MO, Saint Louis County, MO, Warren County, MO, Washington County, MO

The radar

The Lincoln radar (KILX), 41 km from the middle of the area, began a volume at 21:11 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

Lincoln, IL (KILX), launched 12:00Z, 9.2 hours before the alert went out and 97 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, Lincoln, IL at 12:00Z on 2005-06-08Temperature 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, Lincoln, IL at 12:00Z on 2005-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 square meters per square second.1939Sfc1 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
1707 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
25 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
Jun 8, 9:47 AM CDTMesoscale DiscussionSPCAdams, Hancock28 min
Jun 8, 11:46 AM CDTMesoscale DiscussionSPCAdams, Bond, Brown, Calhoun, Cass, Fulton and 19 more29 min
Jun 8, 12:00 PM CDTSevere Thunderstorm WatchSPCAdams, Brown, Cass, Christian, Fulton, Greene and 18 more5 hr
Jun 8, 1:52 PM CDTMesoscale DiscussionSPCAdams, Bond, Brown, Bureau, Calhoun, Cass and 47 more23 min
Jun 8, 2:10 PM CDTSevere Thunderstorm WatchSPCAdams, Bond, Brown, Calhoun, Cass, Champaign and 48 more7 hr
Jun 8, 6:22 PM CDTMesoscale DiscussionSPCBond, Calhoun, Champaign, Christian, Clark, Clay and 40 more83 min
Jun 8, 8:55 AM CDTMesoscale DiscussionSPCAdair, Barton, Bates, Benton, Boone, Buchanan and 48 more65 min
Jun 8, 9:55 AM CDTSevere Thunderstorm WatchSPCAdair, Audrain, Boone, Callaway, Carroll, Chariton and 23 more7 hr
Jun 8, 1:03 PM CDTMesoscale DiscussionSPCAudrain, Barton, Bates, Benton, Boone, Buchanan and 38 more27 min
Jun 8, 1:30 PM CDTTornado WatchSPCAudrain, Bates, Benton, Boone, Callaway, Camden and 30 more8 hr
Jun 8, 4:00 PM CDTMesoscale DiscussionSPCAudrain, Bates, Benton, Boone, Callaway, Camden and 29 more60 min
Jun 8, 5:30 PM CDTTornado WatchSPCAndrew, Atchison, Buchanan, Clinton, DeKalb, Gentry and 3 more4 hr

Nearby

Mesoscale Discussions in Illinois, 2005Mesoscale Discussions in Missouri, 2005Every mesoscale discussion in 2005

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.