Alert archive / Michigan / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 4, NWS Marquette, MI

May 28, 2015Dickinson County, Michigan

NWS Marquette, MI issued this severe thunderstorm warning at May 28, 2015, 4:11 PM CDT for Dickinson County, Michigan. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 28, 2015, 4:11 PM CDT (21:11 UTC)
Expired
May 28, 2015, 4:45 PM CDT
In force
34 min
Issued by
NWS Marquette, MI
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

County Dickinson County, MI

The radar

The Marquette radar (KMQT), 63 km from the middle of the area, began a volume at 21:15 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

Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.2 hours before the alert went out and 171 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, Green Bay/Straub, WI at 12:00Z on 2015-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 103 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, Green Bay/Straub, WI at 12:00Z on 2015-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 square meters per square second.1939Sfc1 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
103 J/kg
Mixed-layer CIN
-125 J/kg
Mixed-layer LCL
1265 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
78 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 severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Marquette, MI wrote its last area forecast discussion before this severe thunderstorm warning went out at May 28, 3:52 PM CDT, 19 minutes earlier.

Area forecast discussion, May 28, 3:52 PM CDT, 19 minutes before
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Hazardous weather outlook, May 28, 3:29 PM CDT, 42 minutes before
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In the hours before

Special weather statement, May 28, 3:08 PM CDT, 1 hour 3 minutes before
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<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.
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        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 Marquette, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 27, 7:43 PM CDTSpecial Weather StatementMQTDelta62 min
May 27, 8:36 PM CDTSpecial Weather StatementMQTMenominee39 min
May 27, 8:43 PM CDTSevere Thunderstorm WarningMQTMenominee49 min
May 28, 3:31 AM CDTDense Fog AdvisoryMQTAlger, Marquette4 hr
May 28, 8:16 AM CDTRiver Flood AdvisoryMQTIron52 hr
May 28, 10:21 AM CDTRiver Flood AdvisoryMQTMarquette12 hr
May 28, 3:08 PM CDTSpecial Weather StatementMQTDickinson37 min
May 28, 3:30 PM CDTMarine Dense Fog AdvisoryMQT16 hr
May 28, 3:30 PM CDTSmall Craft AdvisoryMQT22 hr
May 28, 4:46 PM CDTSpecial Weather StatementMQTDickinson44 min
May 28, 5:48 PM CDTSpecial Weather StatementMQTDickinson42 min
May 28, 6:05 PM CDTSevere Thunderstorm WarningMQTDickinson40 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2015Every severe thunderstorm warning 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; radar from the NEXRAD Level II archive.