Alert archive / Iowa / Mesoscale Discussions in 2005

Mesoscale Discussion 1452

June 24, 20056 states

The Storm Prediction Center issued this mesoscale discussion at Jun 24, 2005, 8:42 PM CDT for 6 states. It was in force for 33 min.

The area

The outline as issued.

The facts

Issued
Jun 24, 2005, 8:42 PM CDT (01:42 UTC)
Expired
Jun 24, 2005, 9:15 PM CDT
In force
33 min
Issued by
the Storm Prediction Center
All 125 counties

Adair County, IA, Adams County, IA, Allamakee County, IA, Audubon County, IA, Benton County, IA, Black Hawk County, IA, Boone County, IA, Bremer County, IA, Buchanan County, IA, Buena Vista County, IA, Butler County, IA, Calhoun County, IA, Carroll County, IA, Cass County, IA, Cedar County, IA, Cerro Gordo County, IA, Cherokee County, IA, Chickasaw County, IA, Clarke County, IA, Clay County, IA, Clayton County, IA, Crawford County, IA, Dallas County, IA, Delaware County, IA, Dickinson County, IA, Dubuque County, IA, Emmet County, IA, Fayette County, IA, Floyd County, IA, Franklin County, IA, Fremont County, IA, Greene County, IA, Grundy County, IA, Guthrie County, IA, Hamilton County, IA, Hancock County, IA, Hardin County, IA, Harrison County, IA, Howard County, IA, Humboldt County, IA, Ida County, IA, Iowa County, IA, Jackson County, IA, Jasper County, IA, Johnson County, IA, Jones County, IA, Kossuth County, IA, Linn County, IA, Lyon County, IA, Madison County, IA, Mahaska County, IA, Marion County, IA, Marshall County, IA, Mills County, IA, Mitchell County, IA, Monona County, IA, Montgomery County, IA, O'Brien County, IA, Osceola County, IA, Page County, IA, Palo Alto County, IA, Plymouth County, IA, Pocahontas County, IA, Polk County, IA, Pottawattamie County, IA, Poweshiek County, IA, Sac County, IA, Shelby County, IA, Sioux County, IA, Story County, IA, Tama County, IA, Taylor County, IA, Union County, IA, Warren County, IA, Webster County, IA, Winnebago County, IA, Winneshiek County, IA, Woodbury County, IA, Worth County, IA, Wright County, IA, Jo Daviess County, IL, Fillmore County, MN, Houston County, MN, Mower County, MN, Antelope County, NE, Boone County, NE, Burt County, NE, Butler County, NE, Cass County, NE, Cedar County, NE, Colfax County, NE, Cuming County, NE, Dakota County, NE, Dixon County, NE, Dodge County, NE, Douglas County, NE, Knox County, NE, Lancaster County, NE, Madison County, NE, Otoe County, NE, Pierce County, NE, Platte County, NE, Sarpy County, NE, Saunders County, NE, Stanton County, NE, Thurston County, NE, Washington County, NE, Wayne County, NE, Bon Homme County, SD, Clay County, SD, Hutchinson County, SD, Lincoln County, SD, Turner County, SD, Union County, SD, Yankton County, SD, Crawford County, WI, Grant County, WI, Iowa County, WI, Juneau County, WI, La Crosse County, WI, Lafayette County, WI, Monroe County, WI, Richland County, WI, Sauk County, WI, Vernon County, WI

The radar

The Des Moines radar (KDMX), 113 km from the middle of the area, began a volume at 01:43 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

Omaha, NE (KOAX), launched 00:00Z, 1.7 hours before the alert went out and 220 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, Omaha, NE at 00:00Z on 2005-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2829 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, Omaha, NE at 00:00Z on 2005-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 155 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
2829 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
1743 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
155 m²/s²
0-3 km storm-relative helicity
310 m²/s²
Significant tornado parameter
0.7
Supercell composite
19.2

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 25, 12:43 PM CDTMesoscale DiscussionSPCBond, Champaign, Christian, Clark, Clay, Clinton and 31 more2 hr
Jun 24, 9:25 PM CDTSevere Thunderstorm WatchSPCAudubon, Boone, Bremer, Buena Vista, Butler, Calhoun and 37 more8 hr
Jun 25, 12:04 AM CDTMesoscale DiscussionSPCAudubon, Black Hawk, Boone, Bremer, Buena Vista, Butler and 40 more86 min
Jun 25, 2:08 AM CDTMesoscale DiscussionSPCCarroll, Crawford, Harrison, Ida, Monona, Sac and 1 more67 min
Jun 25, 3:23 AM CDTMesoscale DiscussionSPCBoone, Calhoun, Carroll, Crawford, Greene, Grundy and 9 more37 min
Jun 25, 3:35 PM CDTMesoscale DiscussionSPCAdair, Audubon, Benton, Black Hawk, Boone, Bremer and 29 more115 min
Jun 25, 6:13 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Buena Vista, Calhoun, Carroll and 26 more3 hr
Jun 24, 7:32 PM CDTMesoscale DiscussionSPCArthur, Banner, Box Butte, Chase, Cherry, Cheyenne and 16 more88 min
Jun 24, 10:10 PM CDTSevere Thunderstorm WatchSPCAdams, Buffalo, Clay, Dawson, Fillmore, Franklin and 11 more7 hr
Jun 24, 11:08 PM CDTMesoscale DiscussionSPCArthur, Blaine, Box Butte, Brown, Chase, Cherry and 21 more67 min
Jun 25, 4:02 PM CDTMesoscale DiscussionSPCChase, Dundy, Hayes, Hitchcock88 min
Jun 25, 5:40 PM CDTMesoscale DiscussionSPCBanner, Box Butte, Cheyenne, Dawes, Garden, Kimball and 4 more95 min
Jun 25, 6:05 PM CDTSevere Thunderstorm WatchSPCArthur, Banner, Box Butte, Cheyenne, Dawes, Deuel and 9 more7 hr
Jun 24, 8:25 PM CDTMesoscale DiscussionSPCColumbia, Dane, Dodge, Fond du Lac, Green, Green Lake and 11 more65 min

Nearby

Mesoscale Discussions in Iowa, 2005Mesoscale Discussions in Nebraska, 2005Mesoscale Discussions in Wisconsin, 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.