Overview
- The National Weather Service issued a dense fog advisory at 4:04 a.m. Monday for parts of North Central Pennsylvania, in effect until 8 a.m. for Northern Lycoming, Southern Clinton, Southern Lycoming, Tioga, Union and Snyder counties.
- Forecasters in Pennsylvania warn visibility may drop to one quarter mile or less with gusty winds capable of blowing down tree limbs and causing a few power outages.
- Geneva County, Alabama remains under a dense fog advisory until 8 a.m. Monday after an alert was posted at 7:51 p.m. Sunday noting quarter‑mile visibility.
- Drivers are urged to slow down, use low‑beam headlights, leave extra following distance, and, if visibility nears zero, turn on hazard lights and pull into a safe location.
- Earlier Sunday, dense fog advisories covered multiple South Alabama counties through 10 a.m., and Michigan’s Upper Peninsula saw dense fog with freezing drizzle that produced patchy slick spots.