Alert archive / Minnesota / Mesoscale Discussions in 2008

Mesoscale Discussion 1014

May 24, 20084 states

The Storm Prediction Center issued this mesoscale discussion at May 24, 2008, 9:01 PM CDT for 4 states. It was in force for 59 min.

The area

The outline as issued.

The facts

Issued: May 24, 2008, 9:01 PM CDT (02:01 UTC)
Expired: May 24, 2008, 10:00 PM CDT
In force: 59 min
Issued by: the Storm Prediction Center

All 75 counties

Buena Vista County, IA, Calhoun County, IA, Carroll County, IA, Cherokee County, IA, Clay County, IA, Crawford County, IA, Dickinson County, IA, Emmet County, IA, Harrison County, IA, Ida County, IA, Kossuth County, IA, Lyon County, IA, Monona County, IA, O'Brien County, IA, Osceola County, IA, Palo Alto County, IA, Plymouth County, IA, Pocahontas County, IA, Sac County, IA, Shelby County, IA, Sioux County, IA, Woodbury County, IA, Big Stone County, MN, Brown County, MN, Chippewa County, MN, Cottonwood County, MN, Jackson County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, Lincoln County, MN, Lyon County, MN, Martin County, MN, McLeod County, MN, Meeker County, MN, Murray County, MN, Nicollet County, MN, Nobles County, MN, Pipestone County, MN, Redwood County, MN, Renville County, MN, Rock County, MN, Sibley County, MN, Stevens County, MN, Swift County, MN, Watonwan County, MN, Yellow Medicine County, MN, Burt County, NE, Cedar County, NE, Cuming County, NE, Dakota County, NE, Dixon County, NE, Thurston County, NE, Washington County, NE, Wayne County, NE, Brookings County, SD, Clark County, SD, Clay County, SD, Codington County, SD, Day County, SD, Deuel County, SD, Grant County, SD, Hamlin County, SD, Hanson County, SD, Hutchinson County, SD, Kingsbury County, SD, Lake County, SD, Lincoln County, SD, McCook County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Roberts County, SD, Turner County, SD, Union County, SD, Yankton County, SD

The radar

The Sioux Falls radar (KFSD), 52 km from the middle of the area, began a volume at 02:02 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

Aberdeen, SD (KABR), launched 00:00Z, 2.0 hours before the alert went out and 246 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 189 J/kg
Mixed-layer CIN: -53 J/kg
Mixed-layer LCL: 853 m above ground
0-6 km bulk shear: 64 kt
0-1 km storm-relative helicity: 94 m²/s²
0-3 km storm-relative helicity: 20 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

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.

Issued	Product	Office	Counties	Lasted
May 25, 12:43 PM CDT	Mesoscale Discussion	SPC	Allamakee, Black Hawk, Boone, Bremer, Butler, Calhoun and 27 more	92 min
May 25, 2:04 PM CDT	Tornado Watch PDS	SPC	Allamakee, Cerro Gordo, Chickasaw, Clayton, Emmet, Fayette and 9 more	6 hr
May 25, 3:30 PM CDT	Tornado Watch PDS	SPC	Adair, Adams, Appanoose, Audubon, Benton, Black Hawk and 55 more	5 hr
May 25, 5:08 PM CDT	Mesoscale Discussion	SPC	Benton, Black Hawk, Boone, Bremer, Buchanan, Butler and 21 more	67 min
May 24, 8:07 PM CDT	Tornado Watch	SPC	Becker, Clay, Grant, Kittson, Mahnomen, Marshall and 7 more	3 hr
May 24, 9:26 PM CDT	Mesoscale Discussion	SPC	Becker, Clay, Clearwater, Douglas, Grant, Kittson and 9 more	2 hr
May 25, 9:56 AM CDT	Mesoscale Discussion	SPC	Benton, Carlton, Cook, Isanti, Kanabec, Mille Lacs and 4 more	94 min
May 25, 2:25 PM CDT	Mesoscale Discussion	SPC	Aitkin, Beltrami, Carlton, Cass, Crow Wing, Hubbard and 10 more	35 min
May 25, 2:45 PM CDT	Tornado Watch	SPC	Aitkin, Beltrami, Benton, Carlton, Cass, Cook and 14 more	6 hr
May 25, 6:01 PM CDT	Mesoscale Discussion	SPC	Aitkin, Anoka, Benton, Carlton, Carver, Cass and 20 more	59 min
May 25, 2:23 PM CDT	Mesoscale Discussion	SPC	Gage, Jefferson, Johnson, Pawnee, Richardson, Thayer	67 min
May 25, 3:00 PM CDT	Tornado Watch	SPC	Gage, Jefferson, Johnson, Nemaha, Nuckolls, Otoe and 4 more	6 hr

Nearby

Mesoscale Discussions in Minnesota, 2008 Mesoscale Discussions in Iowa, 2008 Mesoscale Discussions in South Dakota, 2008 Every mesoscale discussion in 2008

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.