Pennsylvania, 2024

Dense Fog in Pennsylvania, May 6 to 7, 2024

May 6 to 7, 2024 · NWS PHI · 3 events in 3 counties and zones

A stalled front and light pressure gradient with warm air moving in resulted in areas of dense fog across parts of eastern Pennsylvania. The fog dissipated shortly after dawn.

Where it happened

Every event with a place to put it; 3 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

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

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
3

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.

A stalled front and light pressure gradient with warm air moving in resulted in areas of dense fog across parts of eastern Pennsylvania. The fog dissipated shortly after dawn.

The radar

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

Open the radar archive at this moment

Event by event

3 dense fog. Local standard time, as filed.

Dense Fog, Carbon

When
May 6, 7:00 PM EST to May 7, 7:00 AM EST
Where
Carbon forecast zone
Reported by
AWOS
Coordinates
40.918, -75.709 (the zone’s center; the record gives no point)

Dense fog was observed for several hours at Jake Arner Memorial Airport.

Dense Fog, Northampton

When
May 6, 7:00 PM EST to May 7, 7:00 AM EST
Where
Northampton forecast zone
Reported by
ASOS
Coordinates
40.754, -75.307 (the zone’s center; the record gives no point)

Dense fog was observed for several hours at Lehigh Valley International Airport.

Dense Fog, Upper Bucks

When
May 6, 7:00 PM EST to May 7, 7:00 AM EST
Where
Upper Bucks forecast zone
Reported by
AWOS
Coordinates
40.337, -75.107 (the zone’s center; the record gives no point)

Dense fog was observed for several hours at Pennridge 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 Pennsylvania in 2024Every state in 2024This day in weather historyWarnings in Pennsylvania, May 2024

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: 1179104, 1179105, 1179106.