Alert archive / Minnesota / Mesoscale Discussions in 2005

Mesoscale Discussion 1223

June 7, 200519 counties in Minnesota; 6 counties in Wisconsin

The Storm Prediction Center issued this mesoscale discussion at Jun 7, 2005, 2:20 PM CDT for 19 counties in Minnesota; 6 counties in Wisconsin. It was in force for 55 min.

The area

The outline as issued.

The facts

Issued: Jun 7, 2005, 2:20 PM CDT (19:20 UTC)
Expired: Jun 7, 2005, 3:15 PM CDT
In force: 55 min
Issued by: the Storm Prediction Center

All 25 counties

Anoka County, MN, Benton County, MN, Carver County, MN, Chisago County, MN, Dakota County, MN, Goodhue County, MN, Hennepin County, MN, Houston County, MN, Isanti County, MN, Kanabec County, MN, Mille Lacs County, MN, Olmsted County, MN, Ramsey County, MN, Scott County, MN, Sherburne County, MN, Wabasha County, MN, Washington County, MN, Winona County, MN, Wright County, MN, Buffalo County, WI, Dunn County, WI, Pepin County, WI, Pierce County, WI, Saint Croix County, WI, Trempealeau County, WI

The radar

The Minneapolis radar (KMPX), 85 km from the middle of the area, began a volume at 19:24 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

Minneapolis, MN (KMPX), launched 12:00Z, 7.3 hours before the alert went out and 88 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: 677 J/kg
Mixed-layer CIN: -219 J/kg
Mixed-layer LCL: 1465 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: -10 m²/s²
0-3 km storm-relative helicity: 40 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.

Issued	Product	Office	Counties	Lasted
Jun 7, 5:08 AM CDT	Mesoscale Discussion	SPC	Benton, Carver, Crow Wing, Douglas, Hennepin, Kandiyohi and 14 more	2 hr
Jun 7, 9:54 AM CDT	Mesoscale Discussion	SPC	Fillmore, Houston, Olmsted, Wabasha, Winona	2 hr
Jun 7, 2:35 PM CDT	Tornado Watch	SPC	Anoka, Benton, Blue Earth, Brown, Carver, Chisago and 38 more	6 hr
Jun 7, 4:53 PM CDT	Mesoscale Discussion	SPC	Anoka, Chisago, Dakota, Dodge, Goodhue, Hennepin and 10 more	37 min
Jun 7, 10:20 AM CDT	Severe Thunderstorm Watch	SPC	Adams, Brown, Calumet, Clark, Columbia, Dodge and 18 more	6 hr
Jun 7, 1:06 PM CDT	Mesoscale Discussion	SPC	Adams, Brown, Calumet, Columbia, Dodge, Fond du Lac and 16 more	114 min
Jun 7, 3:28 PM CDT	Mesoscale Discussion	SPC	Adams, Brown, Calumet, Columbia, Dodge, Fond du Lac and 12 more	32 min
Jun 7, 5:30 PM CDT	Tornado Watch	SPC	Adams, Calumet, Chippewa, Clark, Eau Claire, Florence and 25 more	7 hr

Nearby

Mesoscale Discussions in Minnesota, 2005 Mesoscale Discussions in Wisconsin, 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.