Alert archive / Minnesota / Wind Chill Advisories in 2016

Wind Chill Advisory 11, NWS Duluth, MN

December 12, 20166 counties in Minnesota

NWS Duluth, MN issued this wind chill advisory at Dec 12, 2016, 3:15 PM CST for 6 counties in Minnesota. It took effect at Dec 12, 2016, 9:00 PM CST. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued: Dec 12, 2016, 3:15 PM CST (21:15 UTC)
In effect from: Dec 12, 2016, 9:00 PM CST
Expired: Dec 13, 2016, 10:00 AM CST
In force: 13 hr
Issued by: NWS Duluth, MN

Counties Cass County, MN, Cook County, MN, Itasca County, MN, Koochiching County, MN, Lake County, MN, Saint Louis County, MN

The radar

The Duluth radar (KDLH), 93 km from the middle of the area, began a volume at 21:16 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 12:00Z, 9.3 hours before the alert went out and 116 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 494 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 62 m²/s²
0-3 km storm-relative helicity: 112 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

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

NWS Duluth, MN wrote its last area forecast discussion before this wind chill advisory went out at Dec 11, 5:46 PM CST, 21 hours 29 minutes earlier.

Area forecast discussion, Dec 11, 5:46 PM CST, 21 hours 29 minutes before

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Hazardous weather outlook, Dec 11, 4:35 PM CST, 22 hours 40 minutes before

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  <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.
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The office that day

Everything else NWS Duluth, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 12, 4:14 AM CST	Small Craft Advisory	DLH		3 days

Nearby

Wind Chill Advisories in Minnesota, 2016 Every wind chill advisory 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.