Bay Area roads washed out by floods, wind advisories in effect

Intense rainfall and high winds early Thursday continued to cause flooding, mudslides and severe traffic alerts around the region to create havoc on the roads.

Several areas of the Sonoma County experienced major flooding, shutting down lanes of traffic. The California Highway Patrol reported flooding on Highway 1 between Valley Ford Road and Middle Road in Petaluma and on the highway between between North Bay Hill Road and South Harbor Way in Bodega Bay.

Flooding on Highway 121 between Fremont Drive and Eighth Street East, outside of Sonoma, also shut down all lanes of traffic, as well as both directions of Highway 12 between Watmaugh Road and Millerick Road.

Officials urged drivers to seek alternate routes until the flooding recedes.

The Great Highway remained closed in San Francisco and officials at the Department of Public Works have still not provided an expected time to reopen.

Authorities continued to shut down all lanes of Highway 35 between Page Mill Road and Highway 9 in rural Santa Clara County because of a sinkhole that opened up Feb. 4.

Traffic advisories were also issued for the region’s bridges because of the high winds and officials warned travelers to drive cautiously.

The Mill Valley Police Department also issued an advisory Thursday morning for Miller Avenue in both directions between Almonte and Tam High due to flooding.

Ashley McBride is a San Francisco Chronicle staff writer. Email: Twitter: @ashleynmcb

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