North Bay Inside Valleys and East Bay Inside Valleys are included in a dense fog advisory launched by the Nationwide Climate Service on Saturday at 9:01 p.m. The advisory is in impact till Sunday Dec. 14, at 11 a.m.
The NWS San Francisco CA provides to count on, “Visibility one quarter mile or less in dense fog.”
“Low visibility could make driving conditions hazardous,” the NWS stated. “If driving, slow down, use your headlights, and leave plenty of distance ahead of you.”

Steerage from the NWS for navigating foggy situations
When a dense fog advisory is issued to your space, it implies that widespread dense fog has developed and visibility can plummet to a quarter-mile or much less. These situations pose challenges for journey, so train additional warning on the street or think about suspending your journey if attainable.
In the event you should enterprise out in foggy situations, preserve these security suggestions from the NWS in thoughts:
Scale back velocity:
Decelerate and allocate additional time to your journey to succeed in your vacation spot safely.
Visibility precedence:
Guarantee your car is seen to others by utilizing low-beam headlights, which additionally activate your taillights. If obtainable, make use of your fog lights.
Keep away from high-beams:
Chorus from utilizing high-beam headlights, as they create glare that impairs your visibility on the street.
Preserve a protected distance:
Keep a big following distance to account for abrupt stops or shifts in site visitors patterns.
Keep in your lane:
To make sure you are staying within the right lane, use the street’s lane markings as a information.
Zero visibility technique:
In conditions of near-zero visibility because of dense fog, activate your hazard lights and search a safe location, equivalent to a close-by enterprise’s parking zone, to drag over and are available to a cease.
No parking choices:
If there isn’t any parking zone or driveway to drag into, pull your car off to the facet of the street so far as attainable. When you come to a cease, flip off all lights besides your hazard flashing lights, set the emergency brake, and take your foot off of the brake pedal to make sure the tail lights will not be illuminated in order that different drivers don’t mistakenly run into you.
By adhering to those precautions from the NWS, you’ll be able to navigate foggy situations extra safely, lowering the probability of accidents and guaranteeing your private security.
For extra climate alerts within the Bay Space, go to Climate Advisories