Alert archive / Wisconsin / Mesoscale Discussions in 2003

Mesoscale Discussion 1487

June 24, 2003Gogebic County, Michigan; Ashland County, Iron County, Wisconsin

The Storm Prediction Center issued this mesoscale discussion at Jun 24, 2003, 9:32 AM CDT for Gogebic County, Michigan; Ashland County, Iron County, Wisconsin. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Jun 24, 2003, 9:32 AM CDT (14:32 UTC)
Expired
Jun 24, 2003, 12:00 PM CDT
In force
2 hr
Issued by
the Storm Prediction Center

Counties Gogebic County, MI, Ashland County, WI, Iron County, WI

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 2.5 hours before the alert went out and 423 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 2003-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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, Minneapolis, MN at 12:00Z on 2003-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 77 square meters per square second.19395878Sfc1 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1284 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
77 m²/s²
0-3 km storm-relative helicity
13 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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 24, 12:35 AM CDTSevere Thunderstorm WatchSPCBuffalo, Chippewa, Dunn, Pepin, Pierce, Saint Croix5 hr
Jun 24, 3:09 AM CDTMesoscale DiscussionSPCDunn, Pepin, Pierce, Saint Croix96 min
Jun 24, 4:20 PM CDTSevere Thunderstorm WatchSPCBurnett, Douglas, Polk6 hr
Jun 24, 5:00 PM CDTSevere Thunderstorm WatchSPCBuffalo, Chippewa, Clark, Dunn, Eau Claire, Jackson and 5 more5 hr

Nearby

Mesoscale Discussions in Wisconsin, 2003Mesoscale Discussions in Michigan, 2003Every mesoscale discussion in 2003

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.