Alert archive / Minnesota / Special Weather Statements in 2015

Special Weather Statement, NWS Duluth, MN

May 16, 2015Pine County, Minnesota

NWS Duluth, MN issued this special weather statement at May 16, 2015, 11:21 PM CDT for Pine County, Minnesota. 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 16, 2015, 11:21 PM CDT (04:21 UTC)
Expired
May 17, 2015, 12:00 AM CDT
In force
39 min
Issued by
NWS Duluth, MN

County Pine County, MN

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 4.4 hours before the alert went out and 144 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, Minneapolis, MN at 00:00Z on 2015-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 440 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, Minneapolis, MN at 00:00Z on 2015-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 234 square meters per square second.193958Sfc1 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
440 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
1055 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
234 m²/s²
0-3 km storm-relative helicity
286 m²/s²
Significant tornado parameter
0.6
Supercell composite
11.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 16, 11:21 PM CDT, 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.
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</body>
</html>

The office that day

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

IssuedProductOfficeCountiesLasted
May 17, 9:30 AM CDTDense Fog AdvisoryDLHCarlton, Saint Louis4 hr
May 17, 3:39 PM CDTSpecial Weather StatementDLHAitkin36 min
May 17, 3:50 PM CDTSpecial Weather StatementDLHCrow Wing25 min
May 17, 4:06 PM CDTSpecial Weather StatementDLHAitkin24 min
May 17, 4:10 PM CDTSpecial Weather StatementDLHCrow Wing20 min
May 17, 4:31 PM CDTSpecial Weather StatementDLHItasca29 min
May 17, 4:32 PM CDTSpecial Weather StatementDLHAitkin13 min
May 17, 4:54 PM CDTSpecial Weather StatementDLHItasca21 min
May 17, 5:13 PM CDTSpecial Weather StatementDLHSaint Louis17 min
May 17, 5:29 PM CDTSpecial Weather StatementDLHAitkin31 min
May 17, 5:33 PM CDTSpecial Weather StatementDLHKoochiching27 min
May 17, 5:37 PM CDTSpecial Weather StatementDLHSaint Louis23 min
May 17, 5:48 PM CDTSpecial Weather StatementDLHKoochiching27 min
May 17, 5:56 PM CDTSpecial Weather StatementDLH34 min
May 17, 5:59 PM CDTSpecial Weather StatementDLHSaint Louis31 min
May 17, 6:06 PM CDTSpecial Weather StatementDLHKoochiching24 min
May 17, 6:12 PM CDTSpecial Weather StatementDLHCarlton33 min
May 17, 6:29 PM CDTSpecial Weather StatementDLHSaint Louis16 min
May 17, 6:45 PM CDTSpecial Weather StatementDLHSaint Louis30 min
May 17, 5:42 PM CDTSpecial Weather StatementDLHPrice33 min
May 17, 6:42 PM CDTSpecial Weather StatementDLHWashburn33 min

Nearby

Special Weather Statements in Minnesota, 2015Every special weather statement in 2015

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.