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Dense Fog in Western Montgomery, Pennsylvania

Dense Fog March 20, 2026 – March 21, 2026 · Western Montgomery, Pennsylvania

What the National Weather Service wrote

Several hours of dense fog was observed at Heritage Field.

The wider storm

A warm moist air advancing northward over cold ground helped cause widespread fog to form late on March 11th and early on March 12th. The fog dissipated near dawn.

Source: NOAA Storm Events Database, event 1321731. Narratives are written by the National Weather Service forecast office that issued the report.

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