Alert archive / Massachusetts / Dense Fog Advisories in 2017

Dense Fog Advisory 9, NWS Boston/Norton, MA

April 26, 201710 counties in Massachusetts; 5 counties in Rhode Island; Northeastern Connecticut Planning Region, Connecticut

NWS Boston/Norton, MA issued this dense fog advisory at Apr 26, 2017, 3:48 PM EDT for 10 counties in Massachusetts; 5 counties in Rhode Island; Northeastern Connecticut Planning Region, Connecticut. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Apr 26, 2017, 3:48 PM EDT (19:48 UTC)
Expired
Apr 27, 2017, 7:05 AM EDT
In force
15 hr
Issued by
NWS Boston/Norton, MA

Counties Northeastern Connecticut Planning Region, CT, Barnstable County, MA, Bristol County, MA, Dukes County, MA, Essex County, MA, Middlesex County, MA, Nantucket County, MA, Norfolk County, MA, Plymouth County, MA, Suffolk County, MA, Worcester County, MA, Bristol County, RI, Kent County, RI, Newport County, RI, Providence County, RI, Washington County, RI

The radar

The Boston radar (KBOX), 9 km from the middle of the area, began a volume at 19:51 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 Boston/Norton, MA wrote its last area forecast discussion before this dense fog advisory went out at Apr 26, 2:13 PM EDT, 1 hour 35 minutes earlier.

Area forecast discussion, Apr 26, 2:13 PM EDT, 1 hour 35 minutes before
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Hazardous weather outlook, Apr 26, 11:02 AM EDT, 4 hours 46 minutes before
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In the hours before

Special weather statement, Apr 26, 11:18 AM EDT, 4 hours 30 minutes before
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Special weather statement, Apr 26, 12:39 PM EDT, 3 hours 9 minutes before
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<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.
      </p>
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The office that day

Everything else NWS Boston/Norton, MA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 26, 3:18 AM EDTCoastal Flood StatementBOXBarnstable, Bristol, Dukes, Essex, Nantucket, Norfolk and 2 more11 hr
Apr 26, 10:38 AM EDTGale WarningBOX5 hr
Apr 26, 4:25 PM EDTCoastal Flood StatementBOXBarnstable, Bristol, Dukes, Essex, Middlesex, Nantucket and 3 more9 hr

Nearby

Dense Fog Advisories in Massachusetts, 2017Dense Fog Advisories in Rhode Island, 2017Dense Fog Advisories in Connecticut, 2017Every dense fog advisory in 2017

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.