Alert archive / Massachusetts / Dense Fog Advisories in 2012

Dense Fog Advisory 4, NWS Boston/Norton, MA

March 20, 20129 counties in Massachusetts; 4 counties in Rhode Island; Capitol Planning Region, Northeastern Connecticut Planning Region, Connecticut

NWS Boston/Norton, MA issued this dense fog advisory at Mar 20, 2012, 3:54 PM EDT for 9 counties in Massachusetts; 4 counties in Rhode Island; Capitol Planning Region, Northeastern Connecticut Planning Region, Connecticut. It took effect at Mar 21, 2012, 12:00 AM EDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued: Mar 20, 2012, 3:54 PM EDT (19:54 UTC)
In effect from: Mar 21, 2012, 12:00 AM EDT
Expired: Mar 21, 2012, 10:00 AM EDT
In force: 10 hr
Issued by: NWS Boston/Norton, MA

Counties Capitol Planning Region, CT, Northeastern Connecticut Planning Region, CT, Barnstable County, MA, Bristol County, MA, Dukes County, MA, Franklin County, MA, Hampden County, MA, Hampshire County, MA, Nantucket County, MA, Norfolk County, MA, Plymouth County, MA, Kent County, RI, Newport County, RI, Providence County, RI, Washington County, RI

The radar

The Boston radar (KBOX), 33 km from the middle of the area, began a volume at 19:58 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.

Nearby

Dense Fog Advisories in Massachusetts, 2012 Dense Fog Advisories in Rhode Island, 2012 Dense Fog Advisories in Connecticut, 2012 Every dense fog advisory in 2012

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.