The above shot was taken in a Concord neighborhood Sunday night around 9 p.m. as fog rolled in across the Bay Area.
The California Highway Patrol has alerted drivers about foggy conditions on Bay Area bridges and highways early this morning.
A fog advisory was issued for the Bay, Carquinez and Benicia-Martinez bridges at 12:10 a.m.
The CHP reported dense fog on the Bay Bridge, requiring extra signage for drivers.
A fog advisory for San Mateo County was issued at 1:11 a.m., while a heavy fog alert was in place at 1:08 a.m. for a section of northbound Interstate Highway 280 around Edgewood Road near Redwood City.
The CHP said visibility on Highway 280 is limited to 10 to 15 feet because of heavy fog.
Bay City News contributed to this report.