Alert archive / Wisconsin / Mesoscale Discussions in 2005

Mesoscale Discussion 2183

September 13, 20054 counties in Michigan; 16 counties in Wisconsin

The Storm Prediction Center issued this mesoscale discussion at Sep 13, 2005, 12:34 AM CDT for 4 counties in Michigan; 16 counties in Wisconsin. It was in force for 26 min.

The area

The outline as issued.

The facts

Issued: Sep 13, 2005, 12:34 AM CDT (05:34 UTC)
Expired: Sep 13, 2005, 1:00 AM CDT
In force: 26 min
Issued by: the Storm Prediction Center

Counties Dickinson County, MI, Gogebic County, MI, Iron County, MI, Menominee County, MI, Chippewa County, WI, Florence County, WI, Forest County, WI, Iron County, WI, Langlade County, WI, Lincoln County, WI, Marathon County, WI, Marinette County, WI, Menominee County, WI, Oconto County, WI, Oneida County, WI, Price County, WI, Rusk County, WI, Sawyer County, WI, Taylor County, WI, Vilas County, WI

The radar

The Green Bay radar (KGRB), 186 km from the middle of the area, began a volume at 05:35 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

Minneapolis, MN (KMPX), launched 00:00Z, 5.6 hours before the alert went out and 320 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: 968 J/kg
Mixed-layer CIN: -17 J/kg
Mixed-layer LCL: 851 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 94 m²/s²
0-3 km storm-relative helicity: 161 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 3.7

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
Sep 13, 6:55 PM CDT	Mesoscale Discussion	SPC	Alcona, Alpena, Antrim, Benzie, Cheboygan, Clare and 20 more	95 min
Sep 12, 9:36 PM CDT	Mesoscale Discussion	SPC	Buffalo, Chippewa, Dunn, Eau Claire, Pepin, Pierce and 1 more	84 min
Sep 13, 1:19 AM CDT	Mesoscale Discussion	SPC	Buffalo, Jackson, La Crosse, Monroe, Trempealeau, Vernon	56 min
Sep 13, 11:19 AM CDT	Mesoscale Discussion	SPC	Buffalo, Crawford, Grant, Iowa, La Crosse, Lafayette and 5 more	116 min
Sep 13, 11:55 AM CDT	Severe Thunderstorm Watch	SPC	Crawford, Grant, Richland	5 hr
Sep 13, 1:55 PM CDT	Mesoscale Discussion	SPC	Adams, Clark, Columbia, Crawford, Green Lake, Iowa and 20 more	2 hr
Sep 13, 2:20 PM CDT	Severe Thunderstorm Watch	SPC	Adams, Buffalo, Clark, Eau Claire, Jackson, Juneau and 14 more	4 hr
Sep 13, 3:25 PM CDT	Mesoscale Discussion	SPC	Adams, Brown, Buffalo, Calumet, Clark, Columbia and 31 more	95 min
Sep 13, 5:15 PM CDT	Severe Thunderstorm Watch	SPC	Brown, Calumet, Dodge, Fond du Lac, Green Lake, Jefferson and 13 more	2 hr

Nearby

Mesoscale Discussions in Wisconsin, 2005 Mesoscale Discussions in Michigan, 2005 Every 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.