Alert archive / New Jersey / Dense Fog Advisories in 2013

Dense Fog Advisory 6, NWS Philadelphia/Mount Holly

May 20, 201313 counties in New Jersey; 10 counties in Pennsylvania; New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this dense fog advisory at May 20, 2013, 2:20 AM EDT for 13 counties in New Jersey; 10 counties in Pennsylvania; New Castle County, Delaware. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
May 20, 2013, 2:20 AM EDT (06:20 UTC)
Expired
May 20, 2013, 7:58 AM EDT
In force
6 hr
Issued by
NWS Philadelphia/Mount Holly
All 24 counties

New Castle County, DE, Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Morris County, NJ, Ocean County, NJ, Salem County, NJ, Somerset County, NJ, Sussex County, NJ, Warren County, NJ, Berks County, PA, Bucks County, PA, Carbon County, PA, Chester County, PA, Delaware County, PA, Lehigh County, PA, Monroe County, PA, Montgomery County, PA, Northampton County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 70 km from the middle of the area, began a volume at 06:21 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 office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 20, 2:24 AM EDTMarine Dense Fog AdvisoryPHI10 hr

Nearby

Dense Fog Advisories in New Jersey, 2013Dense Fog Advisories in Pennsylvania, 2013Dense Fog Advisories in Delaware, 2013Every dense fog advisory in 2013

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.