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Visibility Tips Visibility Issues Visibility Guidelines Fog Safety Tips

Dense Fog Advisories in Effect Early Monday for North-Central Pa. and Geneva County, Ala.

The National Weather Service cites quarter‑mile visibility that could quickly create hazardous travel.

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Dense Fog Advisories Blanket Parts of California and Alabama, With Southwest Alabama Alert Into Early Sunday

Dense Fog Advisory Extended Through Tuesday for California’s Grapevine and Foothills

Dense Fog Triggers Morning Advisories in Parts of Pennsylvania and Alabama

Southern Oregon Under Dense Fog Advisory Through Saturday Morning

Dense Fog Advisories Blanket Pennsylvania Through Mid-Morning Sunday

NWS Issues Early-Morning Dense Fog Advisories Across Michigan’s U.P. With 1/4-Mile Visibility

Dense Fog Advisories in Effect Across Parts of Pennsylvania and Upstate New York This Morning