Alert archive / Ohio / Areal Flood Advisories in 2012

Areal Flood Advisory 9, NWS Cleveland, OH

March 16, 2012Huron County, Seneca County, Ohio

NWS Cleveland, OH issued this areal flood advisory at Mar 16, 2012, 10:58 AM EDT for Huron County, Seneca County, Ohio. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Mar 16, 2012, 10:58 AM EDT (14:58 UTC)
Expired
Mar 16, 2012, 2:56 PM EDT
In force
4 hr
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

Counties Huron County, OH, Seneca County, OH

The radar

The Cleveland radar (KCLE), 89 km from the middle of the area, began a volume at 14:55 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

Detroit, MI (KDTX), launched 12:00Z, 3.0 hours before the alert went out and 182 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, Detroit, MI at 12:00Z on 2012-03-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 27 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, Detroit, MI at 12:00Z on 2012-03-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 square meters per square second.19395878Sfc1 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
27 J/kg
Mixed-layer CIN
-248 J/kg
Mixed-layer LCL
883 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
94 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

What forecasters said that day

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

NWS Cleveland, OH wrote its last area forecast discussion before this areal flood advisory went out at Mar 16, 9:47 AM EDT, 1 hour 11 minutes earlier.

Area forecast discussion, Mar 16, 9:47 AM EDT, 1 hour 11 minutes before
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Hazardous weather outlook, Mar 16, 5:45 AM EDT, 5 hours 13 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 Cleveland, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 15, 9:49 PM EDTSpecial Marine WarningCLE116 min
Mar 15, 9:55 PM EDTAreal Flood AdvisoryCLELucas, Ottawa4 hr
Mar 15, 11:09 PM EDTAreal Flood WarningCLEErie, Lucas, Ottawa, Sandusky, Wood6 hr
Mar 16, 2:29 AM EDTAreal Flood AdvisoryCLEHuron, Seneca6 hr
Mar 16, 4:16 AM EDTRiver Flood WarningCLELake2 hr
Mar 16, 5:00 AM EDTAreal Flood AdvisoryCLESandusky10 hr
Mar 16, 5:01 AM EDTAreal Flood AdvisoryCLELucas5 hr
Mar 16, 8:25 AM EDTAreal Flood AdvisoryCLEHuron, Seneca3 hr

Nearby

Areal Flood Advisories in Ohio, 2012Every areal flood advisory in 2012

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.