Alert archive / New Jersey / Dense Fog Advisories in 2023

Dense Fog Advisory 2, NWS Philadelphia/Mount Holly

January 5, 20237 counties in New Jersey; Chester County, Delaware County, Philadelphia County, Pennsylvania; New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this dense fog advisory at Jan 5, 2023, 6:12 AM EST for 7 counties in New Jersey; Chester County, Delaware County, Philadelphia County, Pennsylvania; New Castle County, Delaware. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jan 5, 2023, 6:12 AM EST (11:12 UTC)
Expired
Jan 5, 2023, 9:00 AM EST
In force
3 hr
Issued by
NWS Philadelphia/Mount Holly

Counties New Castle County, DE, Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cumberland County, NJ, Gloucester County, NJ, Ocean County, NJ, Salem County, NJ, Chester County, PA, Delaware County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 63 km from the middle of the area, began a volume at 11:12 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
Jan 4, 9:53 PM ESTMarine Dense Fog AdvisoryPHI6 hr

Nearby

Dense Fog Advisories in New Jersey, 2023Dense Fog Advisories in Pennsylvania, 2023Dense Fog Advisories in Delaware, 2023Every dense fog advisory in 2023

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.