Alert archive / Minnesota / Mesoscale Discussions in 2005

Mesoscale Discussion 1492

June 26, 20055 counties in Minnesota

The Storm Prediction Center issued this mesoscale discussion at Jun 26, 2005, 7:40 PM CDT for 5 counties in Minnesota. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Jun 26, 2005, 7:40 PM CDT (00:40 UTC)
Expired
Jun 26, 2005, 9:45 PM CDT
In force
2 hr
Issued by
the Storm Prediction Center

Counties Aitkin County, MN, Carlton County, MN, Cass County, MN, Crow Wing County, MN, Itasca County, MN

The radar

The Duluth radar (KDLH), 78 km from the middle of the area, began a volume at 00:44 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

International Fa, MN (KINL), launched 00:00Z, 0.7 hours before the alert went out and 196 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, International Fa, MN at 00:00Z on 2005-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 870 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, International Fa, MN at 00:00Z on 2005-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 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
870 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
771 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
103 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.7

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.

IssuedProductOfficeCountiesLasted
Jun 26, 7:08 PM CDTMesoscale DiscussionSPCBecker, Beltrami, Clay, Clearwater, Hubbard, Lake of the Woods and 9 more2 hr
Jun 26, 8:15 PM CDTSevere Thunderstorm WatchSPCClay, Kittson, Norman, Traverse, Wilkin8 hr
Jun 26, 9:58 PM CDTMesoscale DiscussionSPCClay, Kittson, Norman, Traverse, Wilkin92 min
Jun 26, 10:20 PM CDTMesoscale DiscussionSPCBecker, Beltrami, Cass, Clearwater, Hubbard, Itasca and 8 more115 min
Jun 26, 11:45 PM CDTSevere Thunderstorm WatchSPCBecker, Beltrami, Cass, Clay, Clearwater, Hubbard and 11 more6 hr
Jun 27, 1:51 AM CDTMesoscale DiscussionSPCClay, Kittson, Marshall, Norman, Polk, Wilkin54 min
Jun 27, 2:59 AM CDTMesoscale DiscussionSPCHubbard, Koochiching61 min
Jun 27, 12:29 PM CDTMesoscale DiscussionSPCAitkin, Benton, Brown, Carlton, Cass, Chippewa and 22 more2 hr
Jun 27, 1:25 PM CDTSevere Thunderstorm WatchSPCAitkin, Benton, Carlton, Cass, Cook, Crow Wing and 8 more5 hr
Jun 27, 2:00 PM CDTSevere Thunderstorm WatchSPCAnoka, Blue Earth, Brown, Carver, Chippewa, Cottonwood and 31 more7 hr
Jun 27, 3:37 PM CDTMesoscale DiscussionSPCAitkin, Anoka, Benton, Blue Earth, Brown, Carlton and 53 more83 min
Jun 27, 5:45 PM CDTSevere Thunderstorm WatchSPCAnoka, Chisago, Isanti, Kanabec, Pine, Ramsey and 1 more3 hr
Jun 27, 6:02 PM CDTMesoscale DiscussionSPCAnoka, Blue Earth, Brown, Carver, Dakota, Dodge and 25 more118 min

Nearby

Mesoscale 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.