Alert archive / New Jersey / Dense Fog Advisories in 2026

Dense Fog Advisory 9, NWS Philadelphia/Mount Holly

March 9, 20268 counties in New Jersey; Kent County, Sussex County, Delaware

NWS Philadelphia/Mount Holly issued this dense fog advisory at Mar 9, 2026, 1:03 AM EDT for 8 counties in New Jersey; Kent County, Sussex County, Delaware. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Mar 9, 2026, 1:03 AM EDT (05:03 UTC)
Expired
Mar 9, 2026, 6:04 AM EDT
In force
5 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Kent County, DE, Sussex County, DE, Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cape May County, NJ, Cumberland County, NJ, Gloucester County, NJ, Ocean County, NJ, Salem County, NJ

The radar

The Philadelphia radar (KDIX), 74 km from the middle of the area, began a volume at 05:07 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
Mar 9, 3:19 PM EDTMarine Dense Fog AdvisoryPHI20 hr
Mar 9, 7:33 PM EDTDense Fog AdvisoryPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 5 more10 hr

Nearby

Dense Fog Advisories in New Jersey, 2026Dense Fog Advisories in Delaware, 2026Every dense fog advisory in 2026

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.