Dense Fog in Lower Bucks, Pennsylvania

Dense Fog February 17, 2026 – February 18, 2026 · Lower Bucks, Pennsylvania

What the National Weather Service wrote

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

The wider storm

A moist onshore flow above the existing snow pack ahead of an advancing warm front resulted in widespread dense fog late on February 17th and early on February 18th. The fog dissipated by late morning.

Source: NOAA Storm Events Database, event 1315662. Narratives are written by the National Weather Service forecast office that issued the report.

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