Carquinez Strait and Delta, Southern Sacramento Valley and Northern San Joaquin Valley are included in an updated dense fog advisory issued by the National Weather Service on Saturday at 2:03 p.m. The advisory is valid for Sunday, Nov. 23 between 3 a.m. and 11 a.m.

The NWS Sacramento CA adds to expect, “Visibility one quarter mile or less in dense fog.”

“Low visibility could make driving conditions hazardous,” the NWS said. “If driving, slow down, use your headlights, and leave plenty of distance ahead of you.”

Guidance from the NWS for navigating foggy conditions

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

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