Alert archive / New Jersey / Dense Fog Advisories in 2026

Dense Fog Advisory 5, NWS Philadelphia/Mount Holly

March 3, 202616 counties in New Jersey; 10 counties in Pennsylvania; Kent County, New Castle County, Sussex County, Delaware

NWS Philadelphia/Mount Holly issued this dense fog advisory at Mar 3, 2026, 4:04 PM EST for 16 counties in New Jersey; 10 counties in Pennsylvania; Kent County, New Castle County, Sussex County, Delaware. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Mar 3, 2026, 4:04 PM EST (21:04 UTC)
Expired: Mar 3, 2026, 10:00 PM EST
In force: 6 hr
Issued by: NWS Philadelphia/Mount Holly

All 29 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, Morris County, NJ, Ocean County, NJ, Salem County, NJ, Somerset County, NJ, Sussex County, NJ, Warren County, NJ, Berks County, PA, Bucks County, PA, Carbon County, PA, Chester County, PA, Delaware County, PA, Lehigh County, PA, Monroe County, PA, Montgomery County, PA, Northampton County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 59 km from the middle of the area, began a volume at 21:07 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.

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 Mar 3, 1:39 PM EST, 2 hours 25 minutes earlier.

Area forecast discussion, Mar 3, 1:39 PM EST, 2 hours 25 minutes before

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Hazardous weather outlook, Mar 3, 2:26 AM EST, 13 hours 38 minutes before

Hazardous Weather Outlook
National Weather Service Mount Holly NJ
226 AM EST Tue Mar 3 2026

MDZ012-015-019-020-041100-
Kent MD-Queen Annes-Talbot-Caroline-
226 AM EST Tue Mar 3 2026

This Hazardous Weather Outlook is for northeast Maryland.

.DAY ONE...Today and tonight.

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

MPS

In the hours before

Local storm report, Mar 3, 11:31 AM EST, 4 hours 33 minutes before

Preliminary Local Storm Report
National Weather Service Mount Holly NJ
1131 AM EST Tue Mar 3 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1000 PM     Snow             Bridgeville             38.72N 75.59W
03/02/2026  M0.6 Inch        Sussex             DE   Mesonet

&&

Staarmann

Local storm report, Mar 3, 11:32 AM EST, 4 hours 32 minutes before

Preliminary Local Storm Report
National Weather Service Mount Holly NJ
1132 AM EST Tue Mar 3 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1000 PM     Snow             Dover                   39.15N 75.50W
03/02/2026  M0.4 Inch        Kent               DE   Mesonet

&&

Staarmann

Local storm report, Mar 3, 11:34 AM EST, 4 hours 30 minutes before

Preliminary Local Storm Report
National Weather Service Mount Holly NJ
1134 AM EST Tue Mar 3 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0700 AM     Snow             2 SW Stevensville       38.97N 76.34W
03/03/2026  M2.1 Inch        Queen Anne's       MD   CO-OP Observer

            CO-OP Observer station STVM2 2.2 SW
            Stevensville.

&&

Staarmann

Local storm report, Mar 3, 11:35 AM EST, 4 hours 29 minutes before

Preliminary Local Storm Report
National Weather Service Mount Holly NJ
1135 AM EST Tue Mar 3 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1000 AM     Snow             Chestertown             39.21N 76.07W
03/03/2026  M0.2 Inch        Kent               MD   Cocorahs

            Cocorahs station MD-KN-13 Chestertown 0.5 S.

&&

Staarmann

Local storm report, Mar 3, 1:45 PM EST, 2 hours 19 minutes before

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Local storm report, Mar 3, 1:46 PM EST, 2 hours 18 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 3, 1:25 PM EST	Marine Dense Fog Advisory	PHI		20 hr
Mar 3, 1:25 PM EST	Small Craft Advisory	PHI		20 hr

Nearby

Dense Fog Advisories in New Jersey, 2026 Dense Fog Advisories in Pennsylvania, 2026 Dense Fog Advisories in Delaware, 2026 Every 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.