The National Weather Service has issued a dense fog warning Sunday night into Monday morning through most of the East Bay—including East Contra Costa County.
They say dense tule fog over the central valley will spill into the north and east bay and create hazardous conditions with low visibility. The shaded yellow areas are going to a visibility reductions of 1/4 mile. Drivers are encouraged to give themselves extra time.
- …DENSE FOG ADVISORY NOW IN EFFECT UNTIL 11 AM PST MONDAY…
- ..Visibility one quarter mile or less in dense fog.
- ..East Bay Interior Valleys.
- ..Until 11 AM PST Monday.
- ..Hazardous driving conditions due to low visibility.
- PRECAUTIONARY/PREPAREDNESS ACTIONS…
- If driving, slow down, use your headlights, and leave plenty of
- distance ahead of you.
Sunday afternoon, the following warning was issued:
Special Weather Statement National Weather Service San Francisco Bay Area
306 PM PST Sun Dec 18 2022
- CAZ510-190600-
- East Bay Interior Valleys-
- Including the cities of Concord, Antioch, Livermore, Walnut Creek, Pleasanton, Pittsburg, and San Ramon
- 306 PM PST Sun Dec 18 2022
- …Patchy Dense Fog This Afternoon…
Fog is ongoing across eastern Contra Costa and northeast Alameda Counties this afternoon. This includes the Antioch, Brentwood, and Discovery Bay areas. Visibility reductions of 1/2 mile to locally 1/4 mile are possible. This fog should persist into the evening hours and become increasingly dense with time. Driving will become hazardous in these areas overnight due to very poor visibility. The fog will persist into the Monday morning commute hours.
Motorists are advised to drive with caution as visibilities may widely vary over short distances. Use low beam headlights and leave extra distance between your vehicle and others on the road when encountering significant reductions in visibility. Allow extra time to travel to destinations.
For more information from the National Weather Service visit https://weather.gov/mtr
Four Injured in Byron Highway Crash Sunday — Fog Impacts Response
On Sunday, a traffic crash that injured four people on Byron Byron Highway shut down the roadway with fog impacting response times by preventing two medical helicopters from approaching the crash scene — more info.
