Alert archive / Ohio / Dense Fog Advisories in 2021

Dense Fog Advisory 2, NWS Wilmington, OH

March 17, 202126 counties in Ohio; 12 counties in Kentucky; 8 counties in Indiana

NWS Wilmington, OH issued this dense fog advisory at Mar 17, 2021, 7:24 AM EDT for 26 counties in Ohio; 12 counties in Kentucky; 8 counties in Indiana. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued: Mar 17, 2021, 7:24 AM EDT (11:24 UTC)
Expired: Mar 17, 2021, 11:00 AM EDT
In force: 4 hr
Issued by: NWS Wilmington, OH

All 46 counties

Dearborn County, IN, Fayette County, IN, Franklin County, IN, Ohio County, IN, Ripley County, IN, Switzerland County, IN, Union County, IN, Wayne County, IN, Boone County, KY, Bracken County, KY, Campbell County, KY, Carroll County, KY, Gallatin County, KY, Grant County, KY, Kenton County, KY, Lewis County, KY, Mason County, KY, Owen County, KY, Pendleton County, KY, Robertson County, KY, Adams County, OH, Auglaize County, OH, Brown County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Darke County, OH, Delaware County, OH, Fayette County, OH, Franklin County, OH, Greene County, OH, Hamilton County, OH, Hardin County, OH, Highland County, OH, Licking County, OH, Logan County, OH, Madison County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Preble County, OH, Shelby County, OH, Union County, OH, Warren County, OH

The radar

The Cincinnati radar (KILN), 34 km from the middle of the area, began a volume at 11:29 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.

What forecasters said that day

The local office's own words before this dense fog 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 dense fog advisory went out at Mar 17, 6:41 AM EDT, 43 minutes earlier.

Area forecast discussion, Mar 17, 6:41 AM EDT, 43 minutes before

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Hazardous weather outlook, Mar 17, 4:16 AM EDT, 3 hours 8 minutes before

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In the hours before

Special weather statement, Mar 17, 2:07 AM EDT, 5 hours 17 minutes before

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Special weather statement, Mar 17, 3:09 AM EDT, 4 hours 15 minutes before

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Special weather statement, Mar 17, 4:22 AM EDT, 3 hours 2 minutes before

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      <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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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Special weather statement, Mar 17, 5:34 AM EDT, 1 hour 50 minutes before

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      <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
Mar 17, 3:34 PM EDT	Wind Advisory	ILN	Auglaize, Butler, Champaign, Clark, Clinton, Darke and 15 more	34 hr

Nearby

Dense Fog Advisories in Ohio, 2021 Dense Fog Advisories in Kentucky, 2021 Dense Fog Advisories in Indiana, 2021 Every dense fog advisory in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.