Alert archive / Ohio / Wind Chill Advisories in 2009

Wind Chill Advisory 3, NWS Wilmington, OH

January 15, 20099 counties in Ohio; Franklin County, Indiana

NWS Wilmington, OH issued this wind chill advisory at Jan 15, 2009, 3:58 PM EST for 9 counties in Ohio; Franklin County, Indiana. It took effect at Jan 16, 2009, 10:00 AM EST. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued
Jan 15, 2009, 3:58 PM EST (20:58 UTC)
In effect from
Jan 16, 2009, 10:00 AM EST
Expired
Jan 17, 2009, 10:00 AM EST
In force
24 hr
Issued by
NWS Wilmington, OH

Counties Franklin County, IN, Butler County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Greene County, OH, Licking County, OH, Madison County, OH, Pickaway County, OH, Warren County, OH

The radar

The Cincinnati radar (KILN), 37 km from the middle of the area, began a volume at 21:01 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.0 hours before the alert went out and 35 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, Cncnati-Daytn, OH at 12:00Z on 2009-01-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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, Cncnati-Daytn, OH at 12:00Z on 2009-01-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -27 square meters per square second.1939587897117136Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
622 m above ground
0-6 km bulk shear
87 kt
0-1 km storm-relative helicity
-27 m²/s²
0-3 km storm-relative helicity
52 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 wind chill advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Wilmington, OH wrote its last area forecast discussion before this wind chill advisory went out at Jan 15, 1:11 PM EST, 2 hours 47 minutes earlier.

Area forecast discussion, Jan 15, 1:11 PM EST, 2 hours 47 minutes before
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Hazardous weather outlook, Jan 15, 2:56 PM EST, 1 hour 2 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 Wilmington, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 15, 3:52 AM ESTWind Chill WarningILNAuglaize, Butler, Champaign, Clark, Clinton, Darke and 17 more30 hr
Jan 15, 3:52 AM ESTWind Chill AdvisoryILNAuglaize, Champaign, Clark, Darke, Delaware, Hardin and 7 more54 hr

Nearby

Wind Chill Advisories in Ohio, 2009Wind Chill Advisories in Indiana, 2009Every wind chill advisory 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.