Alert archive / Ohio / Wind Chill Advisories in 2015

Wind Chill Advisory 9, NWS Wilmington, OH

February 22, 201528 counties in Ohio; 6 counties in Indiana

NWS Wilmington, OH issued this wind chill advisory at Feb 22, 2015, 4:12 AM EST for 28 counties in Ohio; 6 counties in Indiana. It took effect at Feb 23, 2015, 12:00 AM EST. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued: Feb 22, 2015, 4:12 AM EST (09:12 UTC)
In effect from: Feb 23, 2015, 12:00 AM EST
Expired: Feb 23, 2015, 11:00 AM EST
In force: 11 hr
Issued by: NWS Wilmington, OH

All 34 counties

Dearborn County, IN, Fayette County, IN, Franklin County, IN, Ripley County, IN, Union County, IN, Wayne County, IN, Auglaize County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Darke County, OH, Delaware County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Greene County, OH, Hamilton County, OH, Hardin County, OH, Highland County, OH, Hocking County, OH, Licking County, OH, Logan County, OH, Madison County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Pickaway County, OH, Preble County, OH, Ross County, OH, Shelby County, OH, Union County, OH, Warren County, OH

The radar

The Cincinnati radar (KILN), 43 km from the middle of the area, began a volume at 09:12 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 00:00Z, 9.2 hours before the alert went out and 42 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 464 m above ground
0-6 km bulk shear: 82 kt
0-1 km storm-relative helicity: 57 m²/s²
0-3 km storm-relative helicity: 104 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 Feb 21, 4:24 PM EST, 11 hours 48 minutes earlier.

Area forecast discussion, Feb 21, 4:24 PM EST, 11 hours 48 minutes before

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Hazardous weather outlook, Feb 21, 4:20 AM EST, 23 hours 52 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 Wilmington, OH issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 22, 6:41 AM EST	Dense Fog Advisory	ILN	Champaign, Clark, Clinton, Delaware, Fayette, Franklin and 5 more	3 hr

Nearby

Wind Chill Advisories in Ohio, 2015 Wind Chill Advisories in Indiana, 2015 Every wind chill advisory 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.