New Jersey, 2026

Dense Fog in New Jersey, February 27 to 28, 2026

February 27 to 28, 2026 · NWS PHI · 9 events in 9 counties and zones

Moist air advancing over existing snow pack ahead of a warm front resulted in widespread dense fog late on February 27th and early on February 28th. The fog dissipated by late morning.

Where it happened

Every event with a place to put it; 9 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
9

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS PHI wrote it up.

Moist air advancing over existing snow pack ahead of a warm front resulted in widespread dense fog late on February 27th and early on February 28th. The fog dissipated by late morning.

What forecasters said that day

The local office's own words before the first event, 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 the first event at Feb 27, 5:52 PM EST, 5 hours 8 minutes earlier.

Area forecast discussion, Feb 27, 5:52 PM EST, 5 hours 8 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Hazardous weather outlook, Feb 27, 5:05 AM EST, 17 hours 55 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

9 dense fog. Local standard time, as filed.

Dense Fog, Camden

When
February 27, 11:00 PM EST to February 28, 10:00 AM EST
Where
Camden forecast zone
Reported by
ASOS
Coordinates
39.804, -74.960 (the zone’s center; the record gives no point)

Several hours of dense fog was observed at Northeast Philadelphia Airport and South Jersey Regional Airport.

Dense Fog, Cumberland

When
February 27, 11:00 PM EST to February 28, 10:00 AM EST
Where
Cumberland forecast zone
Reported by
ASOS
Coordinates
39.328, -75.129 (the zone’s center; the record gives no point)

Several hours of dense fog was observed at Millville Executive Airport.

Dense Fog, Eastern Ocean

When
February 27, 11:00 PM EST to February 28, 10:00 AM EST
Where
Eastern Ocean forecast zone
Reported by
AWOS
Coordinates
39.866, -74.250 (the zone’s center; the record gives no point)

Several hours of dense fog was observed at Cape May County Airport.

Dense Fog, Gloucester

When
February 27, 11:00 PM EST to February 28, 10:00 AM EST
Where
Gloucester forecast zone
Reported by
ASOS
Coordinates
39.717, -75.142 (the zone’s center; the record gives no point)

Several hours of dense fog was observed at Wilmington Airport and Millville Executive Airport.

Dense Fog, Mercer

When
February 27, 11:00 PM EST to February 28, 10:00 AM EST
Where
Mercer forecast zone
Reported by
ASOS
Coordinates
40.283, -74.702 (the zone’s center; the record gives no point)

Several hours of dense fog was observed at Trenton-Mercer Airport.

Dense Fog, Northwestern Burlington

When
February 27, 11:00 PM EST to February 28, 10:00 AM EST
Where
Northwestern Burlington forecast zone
Reported by
ASOS
Coordinates
39.878, -74.668 (the zone’s center; the record gives no point)

Several hours of dense fog was observed at South Jersey Regional Airport.

Dense Fog, Salem

When
February 27, 11:00 PM EST to February 28, 10:00 AM EST
Where
Salem forecast zone
Reported by
ASOS
Coordinates
39.577, -75.358 (the zone’s center; the record gives no point)

Several hours of dense fog was observed at Wilmington Airport and Millville Executive Airport.

Dense Fog, Southeastern Burlington

When
February 27, 11:00 PM EST to February 28, 10:00 AM EST
Where
Southeastern Burlington forecast zone
Reported by
ASOS
Coordinates
39.878, -74.668 (the zone’s center; the record gives no point)

Several hours of dense fog was observed at South Jersey Regional Airport and Ocean County Airport.

Dense Fog, Western Ocean

When
February 27, 11:00 PM EST to February 28, 10:00 AM EST
Where
Western Ocean forecast zone
Reported by
AWOS
Coordinates
39.866, -74.250 (the zone’s center; the record gives no point)

Several hours of dense fog was observed at Ocean County Airport.

What these are

Dense Fog
Fog reducing visibility to a quarter mile or less, filed where it caused accidents or disruption.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in New Jersey in 2026Every state in 2026This day in weather historyWarnings in New Jersey, February 2026

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 1315672, 1315673, 1315675, 1315677, 1315678, 1315679, 1315680, 1315681, 1315682.