Alert archive / Michigan / Special Weather Statements in 2018

Special Weather Statement, NWS Marquette, MI

May 24, 2018Ontonagon County, Michigan

NWS Marquette, MI issued this special weather statement at May 24, 2018, 8:21 PM EDT for Ontonagon County, Michigan. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 24, 2018, 8:21 PM EDT (00:21 UTC)
Expired: May 24, 2018, 9:00 PM EDT
In force: 39 min
Issued by: NWS Marquette, MI

County Ontonagon County, MI

The radar

The Marquette radar (KMQT), 108 km from the middle of the area, began a volume at 00:24 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 nearest sounding before it

International Fa, MN (KINL), launched 00:00Z, 0.4 hours before the alert went out and 400 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: 370 J/kg
Mixed-layer CIN: -77 J/kg
Mixed-layer LCL: 1349 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 130 m²/s²
0-3 km storm-relative helicity: 144 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 2.7

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, May 24, 8:21 PM EDT, 0 minutes before

<!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>

The office that day

Everything else NWS Marquette, MI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 24, 8:41 PM EDT	Special Weather Statement	MQT	Baraga	34 min
May 24, 9:15 PM EDT	Special Weather Statement	MQT	Gogebic	30 min
May 25, 12:28 AM EDT	Special Weather Statement	MQT	Houghton	47 min
May 25, 1:12 AM EDT	Special Marine Warning	MQT		48 min
May 25, 2:27 AM EDT	Special Weather Statement	MQT	Dickinson	33 min
May 25, 3:35 AM EDT	Marine Dense Fog Advisory	MQT		10 hr
May 25, 1:52 PM EDT	Special Weather Statement	MQT	Dickinson	38 min
May 25, 2:18 PM EDT	Special Weather Statement	MQT	Menominee	42 min
May 25, 2:44 PM EDT	Special Weather Statement	MQT	Delta	46 min
May 25, 2:47 PM EDT	Special Weather Statement	MQT	Luce	43 min
May 25, 3:56 PM EDT	Special Weather Statement	MQT	Luce	64 min
May 25, 6:07 PM EDT	Special Weather Statement	MQT	Houghton	38 min
May 25, 6:18 PM EDT	Severe Thunderstorm Warning	MQT	Houghton, Ontonagon	27 min
May 25, 6:45 PM EDT	Special Weather Statement	MQT	Houghton	45 min
May 25, 7:49 PM EDT	Special Weather Statement	MQT	Dickinson	26 min

Nearby

Special Weather Statements in Michigan, 2018 Every special weather statement in 2018

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.