An updated dense fog advisory was released by the National Weather Service on Friday at 12:58 a.m. in effect until 9 a.m. for Cattaraugus and Allegany counties.

The weather service states to anticipate, "Visibility less than one quarter mile at times in areas of dense fog."

"Hazardous driving conditions due to low visibility," explains the weather service. "If driving, slow down, use your headlights, and leave plenty of distance ahead of you."

Guidance from the weather service for navigating foggy conditions

If a dense fog advisory is issued for your area, it means that widespread dense fog has developed and visibility often drops to just a quarter-mile or less. These conditions can make driving challenging, so exercise extreme caution on the road, and if possible, consider delaying yo

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