Alert archive / Minnesota / Mesoscale Discussions in 2005

Mesoscale Discussion 1435

June 23, 200517 counties in Minnesota; Cass County, Traill County, North Dakota

The Storm Prediction Center issued this mesoscale discussion at Jun 23, 2005, 6:11 PM CDT for 17 counties in Minnesota; Cass County, Traill County, North Dakota. It was in force for 64 min.

The area

The outline as issued.

The facts

Issued: Jun 23, 2005, 6:11 PM CDT (23:11 UTC)
Expired: Jun 23, 2005, 7:15 PM CDT
In force: 64 min
Issued by: the Storm Prediction Center

Counties Becker County, MN, Beltrami County, MN, Cass County, MN, Clay County, MN, Clearwater County, MN, Hubbard County, MN, Itasca County, MN, Koochiching County, MN, Lake of the Woods County, MN, Mahnomen County, MN, Marshall County, MN, Norman County, MN, Pennington County, MN, Polk County, MN, Red Lake County, MN, Roseau County, MN, Saint Louis County, MN, Cass County, ND, Traill County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 196 km from the middle of the area, began a volume at 23:11 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.

Tornado Watch 515Jun 23, 6:35 PM CDT

The nearest sounding before it

International Fa, MN (KINL), launched 12:00Z, 11.2 hours before the alert went out and 136 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: 2973 J/kg
Mixed-layer CIN: -80 J/kg
Mixed-layer LCL: 851 m above ground
0-6 km bulk shear: 68 kt
0-1 km storm-relative helicity: 400 m²/s²
0-3 km storm-relative helicity: 384 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 13.8

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 23, 2:13 PM CDT	Mesoscale Discussion	SPC	Kittson, Marshall, Pennington, Polk, Roseau	62 min
Jun 23, 2:25 PM CDT	Tornado Watch	SPC	Becker, Beltrami, Clay, Clearwater, Hubbard, Kittson and 7 more	8 hr
Jun 23, 6:35 PM CDT	Tornado Watch	SPC	Aitkin, Carlton, Cass, Crow Wing, Itasca, Koochiching and 3 more	7 hr
Jun 22, 8:58 PM CDT	Mesoscale Discussion	SPC	Billings, Burke, Divide, Dunn, Golden Valley, McKenzie and 8 more	62 min

Nearby

Mesoscale Discussions in Minnesota, 2005 Mesoscale Discussions in North Dakota, 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.