On Friday at 3:45 a.m. a dense fog advisory was released by the National Weather Service in effect until 9 a.m. for Westmoreland Ridges, Fayette Ridges and Higher Elevations of Indiana as well as Jefferson and Indiana counties.

The weather service states to prepare for, "Visibility one quarter mile or less in dense fog."

"Low visibility could make driving conditions hazardous," explains the weather service. "If driving, slow down, use your headlights, and leave plenty of distance ahead of you."

Fog safety: Tips from the weather service for safe travels

When a dense fog advisory is issued for your area, it means that widespread dense fog has developed and visibility can plummet to a quarter-mile or less. These conditions pose challenges for travel, so exercise extra caution on the road

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