Alert archive / New Jersey / Dense Fog Advisories in 2020

Dense Fog Advisory 7, NWS Philadelphia/Mount Holly

May 26, 202013 counties in New Jersey; 5 counties in Pennsylvania; Kent County, New Castle County, Sussex County, Delaware

NWS Philadelphia/Mount Holly issued this dense fog advisory at May 26, 2020, 3:21 PM EDT for 13 counties in New Jersey; 5 counties in Pennsylvania; Kent County, New Castle County, Sussex County, Delaware. It took effect at May 27, 2020, 12:00 AM EDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
May 26, 2020, 3:21 PM EDT (19:21 UTC)
In effect from
May 27, 2020, 12:00 AM EDT
Expired
May 27, 2020, 8:49 AM EDT
In force
9 hr
Issued by
NWS Philadelphia/Mount Holly
All 21 counties

Kent County, DE, New Castle County, DE, Sussex County, DE, Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cape May County, NJ, Cumberland County, NJ, Gloucester County, NJ, Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ, Salem County, NJ, Somerset County, NJ, Bucks County, PA, Chester County, PA, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 52 km from the middle of the area, began a volume at 19:25 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 25, 8:59 PM EDTMarine Dense Fog AdvisoryPHI13 hr
May 25, 9:01 PM EDTDense Fog AdvisoryPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 7 more12 hr
May 26, 3:22 PM EDTMarine Dense Fog AdvisoryPHI20 hr

Nearby

Dense Fog Advisories in New Jersey, 2020Dense Fog Advisories in Pennsylvania, 2020Dense Fog Advisories in Delaware, 2020Every dense fog advisory in 2020

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.