Alert archive / North Dakota / Special Weather Statements in 2016

Special Weather Statement, NWS Bismarck, ND

May 28, 2016Mercer County, North Dakota

NWS Bismarck, ND issued this special weather statement at May 28, 2016, 4:28 PM CDT for Mercer County, North Dakota. It was in force for 62 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 28, 2016, 4:28 PM CDT (21:28 UTC)
Expired: May 28, 2016, 5:30 PM CDT
In force: 62 min
Issued by: NWS Bismarck, ND

County Mercer County, ND

The radar

The Bismarck radar (KBIS), 114 km from the middle of the area, began a volume at 21:31 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

Bismarck Municip, ND (KBIS), launched 12:00Z, 9.5 hours before the alert went out and 118 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: 28 J/kg
Mixed-layer CIN: -87 J/kg
Mixed-layer LCL: 1012 m above ground
0-6 km bulk shear: 5 kt
0-1 km storm-relative helicity: 21 m²/s²
0-3 km storm-relative helicity: 25 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

<!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 Bismarck, ND issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 28, 2:50 PM CDT	Special Weather Statement	BIS	Dunn, McKenzie	40 min
May 28, 3:51 PM CDT	Special Weather Statement	BIS	Mercer	39 min
May 28, 4:15 PM CDT	Special Weather Statement	BIS	Grant, Morton	60 min
May 28, 5:24 PM CDT	Special Weather Statement	BIS	Morton	51 min
May 28, 5:28 PM CDT	Special Weather Statement	BIS	Oliver	62 min
May 28, 6:06 PM CDT	Special Weather Statement	BIS	Sioux	39 min
May 28, 6:30 PM CDT	Special Weather Statement	BIS	Burleigh	60 min

Nearby

Special Weather Statements in North Dakota, 2016 Every special weather statement in 2016

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.