Alert archive / Wisconsin / Mesoscale Discussions in 2005

Mesoscale Discussion 1220

June 7, 200512 counties in Iowa; 5 counties in Minnesota; 25 counties in Wisconsin

The Storm Prediction Center issued this mesoscale discussion at Jun 7, 2005, 9:54 AM CDT for 12 counties in Iowa; 5 counties in Minnesota; 25 counties in Wisconsin. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Jun 7, 2005, 9:54 AM CDT (14:54 UTC)
Expired
Jun 7, 2005, 12:00 PM CDT
In force
2 hr
Issued by
the Storm Prediction Center
All 42 counties

Allamakee County, IA, Black Hawk County, IA, Bremer County, IA, Buchanan County, IA, Butler County, IA, Chickasaw County, IA, Clayton County, IA, Delaware County, IA, Fayette County, IA, Floyd County, IA, Howard County, IA, Winneshiek County, IA, Fillmore County, MN, Houston County, MN, Olmsted County, MN, Wabasha County, MN, Winona County, MN, Adams County, WI, Buffalo County, WI, Chippewa County, WI, Clark County, WI, Columbia County, WI, Crawford County, WI, Dunn County, WI, Eau Claire County, WI, Grant County, WI, Iowa County, WI, Jackson County, WI, Juneau County, WI, La Crosse County, WI, Marathon County, WI, Marquette County, WI, Monroe County, WI, Pepin County, WI, Portage County, WI, Richland County, WI, Sauk County, WI, Taylor County, WI, Trempealeau County, WI, Vernon County, WI, Waushara County, WI, Wood County, WI

The radar

The La Crosse radar (KARX), 13 km from the middle of the area, began a volume at 14:55 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, 2.9 hours before the alert went out and 233 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, Minneapolis, MN at 12:00Z on 2005-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 677 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2005-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -10 square meters per square second.193958Sfc1 km3 km6 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
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.

IssuedProductOfficeCountiesLasted
Jun 7, 5:08 AM CDTMesoscale DiscussionSPCBenton, Carver, Crow Wing, Douglas, Hennepin, Kandiyohi and 14 more2 hr
Jun 7, 2:20 PM CDTMesoscale DiscussionSPCAnoka, Benton, Carver, Chisago, Dakota, Goodhue and 13 more55 min
Jun 7, 2:35 PM CDTTornado WatchSPCAnoka, Benton, Blue Earth, Brown, Carver, Chisago and 38 more6 hr
Jun 7, 4:53 PM CDTMesoscale DiscussionSPCAnoka, Chisago, Dakota, Dodge, Goodhue, Hennepin and 10 more37 min
Jun 7, 10:20 AM CDTSevere Thunderstorm WatchSPCAdams, Brown, Calumet, Clark, Columbia, Dodge and 18 more6 hr
Jun 7, 1:06 PM CDTMesoscale DiscussionSPCAdams, Brown, Calumet, Columbia, Dodge, Fond du Lac and 16 more114 min
Jun 7, 3:28 PM CDTMesoscale DiscussionSPCAdams, Brown, Calumet, Columbia, Dodge, Fond du Lac and 12 more32 min
Jun 7, 5:30 PM CDTTornado WatchSPCAdams, Calumet, Chippewa, Clark, Eau Claire, Florence and 25 more7 hr

Nearby

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