Alert archive / Michigan / Lakeshore Flood Statements in 2009

Lakeshore Flood Statement 19, NWS Gaylord, MI

September 27, 20095 counties in Michigan

NWS Gaylord, MI issued this lakeshore flood statement at Sep 27, 2009, 4:55 AM EDT for 5 counties in Michigan. It took effect at Sep 27, 2009, 10:00 AM EDT. It was in force for 50 hr.

The area

The counties it named.

The facts

Issued
Sep 27, 2009, 4:55 AM EDT (08:55 UTC)
In effect from
Sep 27, 2009, 10:00 AM EDT
Expired
Sep 29, 2009, 12:00 PM EDT
In force
50 hr
Issued by
NWS Gaylord, MI

Counties Antrim County, MI, Benzie County, MI, Emmet County, MI, Leelanau County, MI, Manistee County, MI

The radar

The NCL Michigan radar (KAPX), 79 km from the middle of the area, began a volume at 08:55 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 00:00Z, 8.9 hours before the alert went out and 194 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 00:00Z on 2009-09-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 56 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 00:00Z on 2009-09-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 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
56 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
1267 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
-4 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 lakeshore flood statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Gaylord, MI wrote its last area forecast discussion before this lakeshore flood statement went out at Sep 27, 4:42 AM EDT, 13 minutes earlier.

Area forecast discussion, Sep 27, 4:42 AM EDT, 13 minutes before
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Hazardous weather outlook, Sep 27, 4:55 AM EDT, 0 minutes before
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<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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The office that day

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

IssuedProductOfficeCountiesLasted
Sep 27, 3:53 AM EDTHigh Wind WatchAPXBenzie, Leelanau, Manistee11 hr
Sep 27, 4:24 AM EDTGale WarningAPX60 hr
Sep 27, 4:24 AM EDTStorm WarningAPX35 hr
Sep 27, 2:40 PM EDTHigh Wind WarningAPXBenzie, Leelanau, Manistee25 hr
Sep 27, 2:40 PM EDTWind AdvisoryAPXAntrim, Arenac, Crawford, Gladwin, Grand Traverse, Kalkaska and 4 more25 hr

Nearby

Lakeshore Flood Statements in Michigan, 2009Every lakeshore flood statement in 2009

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.