Alert archive / Ohio / Areal Flood Advisories in 2011

Areal Flood Advisory 49, NWS Cleveland, OH

June 10, 2011Holmes County, Knox County, Ohio

NWS Cleveland, OH issued this areal flood advisory at Jun 10, 2011, 9:23 PM EDT for Holmes County, Knox County, Ohio. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued: Jun 10, 2011, 9:23 PM EDT (01:23 UTC)
Expired: Jun 11, 2011, 1:30 AM EDT
In force: 4 hr
Issued by: NWS Cleveland, OH
Area: Storm-based polygon

Counties Holmes County, OH, Knox County, OH

The radar

The Cleveland radar (KCLE), 107 km from the middle of the area, began a volume at 01:26 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

Pittsburgh, PA (KPIT), launched 00:00Z, 1.4 hours before the alert went out and 176 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: 967 J/kg
Mixed-layer CIN: -44 J/kg
Mixed-layer LCL: 915 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 131 m²/s²
0-3 km storm-relative helicity: 149 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.2

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 Jun 10, 7:40 PM EDT, 1 hour 43 minutes earlier.

Area forecast discussion, Jun 10, 7:40 PM EDT, 1 hour 43 minutes before

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Hazardous weather outlook, Jun 10, 6:46 PM EDT, 2 hours 37 minutes before

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In the hours before

Local storm report, Jun 10, 7:07 PM EDT, 2 hours 16 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.
      </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.

Issued	Product	Office	Counties	Lasted
Jun 10, 8:00 PM EDT	Severe Thunderstorm Warning	CLE	Ashland, Stark, Wayne	45 min
Jun 10, 8:35 PM EDT	Severe Thunderstorm Warning	CLE	Knox, Morrow	40 min

Nearby

Areal Flood Advisories in Ohio, 2011 Every areal flood advisory in 2011

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.