Alert archive / Pennsylvania / Dense Fog Advisories in 2025
Dense Fog Advisory 2, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this dense fog advisory at Feb 6, 2025, 9:12 PM EST for 6 counties in New Jersey; 8 counties in Pennsylvania; New Castle County, Delaware. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Feb 6, 2025, 9:12 PM EST (02:12 UTC)
- Expired
- Feb 7, 2025, 2:33 AM EST
- In force
- 5 hr
- Issued by
- NWS Philadelphia/Mount Holly
Counties New Castle County, DE, Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Hunterdon County, NJ, Salem County, NJ, Warren County, NJ, Berks County, PA, Bucks County, PA, Chester County, PA, Delaware County, PA, Lehigh County, PA, Montgomery County, PA, Northampton County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 78 km from the middle of the area, began a volume at 02:14 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 Feb 6, 7:02 PM EST, 2 hours 10 minutes earlier.
Area forecast discussion, Feb 6, 7:02 PM EST, 2 hours 10 minutes before
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</html>The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 7, 1:01 PM EST | Winter Weather Advisory | PHI | Atlantic, Burlington, Camden, Cumberland, Gloucester, Hunterdon and 9 more | 38 hr |
Nearby
Dense Fog Advisories in Pennsylvania, 2025Dense 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.