Alert archive / New Jersey / Dense Fog Advisories in 2025

Dense Fog Advisory 6, NWS Philadelphia/Mount Holly

June 10, 20259 counties in New Jersey; Kent County, New Castle County, Sussex County, Delaware

NWS Philadelphia/Mount Holly issued this dense fog advisory at Jun 10, 2025, 6:24 AM EDT for 9 counties in New Jersey; Kent County, New Castle County, Sussex County, Delaware. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Jun 10, 2025, 6:24 AM EDT (10:24 UTC)
Expired
Jun 10, 2025, 11:00 AM EDT
In force
5 hr
Issued by
NWS Philadelphia/Mount Holly

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, Monmouth County, NJ, Ocean County, NJ, Salem County, NJ

The radar

The Philadelphia radar (KDIX), 67 km from the middle of the area, began a volume at 10:24 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 Philadelphia/Mount Holly wrote its last area forecast discussion before this dense fog advisory went out at Jun 9, 5:20 PM EDT, 13 hours 4 minutes earlier.

Area forecast discussion, Jun 9, 5:20 PM EDT, 13 hours 4 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 7:47 AM EDTSevere Thunderstorm WarningPHIBerks43 min

Nearby

Dense Fog Advisories in New Jersey, 2025Dense Fog Advisories in Delaware, 2025Every dense fog advisory in 2025

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.