California storm closes roads, triggers flood and wind concerns. Here's how long it will last

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A string of strong, wet storms is expected to continue causing hazards across California, with flooding, debris flows, heavy snow and downed trees expected to overwhelm roadways all week, after already forcing the closure of a scenic stretch of Highway 1 near Big Sur.Fresh off of three years of remediation and repairs, an almost seven-mile length of Highway 1 at Regent’s Slide in Monterey County remained closed Tuesday afternoon after storms had again buried sections of the two-lane highway.In Los Angeles County, a stretch of Topanga Canyon Road, between the Pacific Coast Highway and Grand View Drive, also remains closed after at least eight debris flows inundated the road.

And more heavy rains are possible through at least Thursday, with much of Southern California still under a flood watch, according to the National Weather Service.TOPANGA CANYON BOULEVARD Topanga Canyon Blvd (State Route 27) closed in both directions from PCH to Grand View Dr until further notice due to storms.

Multiple locations within the closure have mud & debris slides.@CaltransDist7 Maintenance & GeoTech teams on scene.pic.twitter.com/nOI3p1FsM4But forecasters warn that high winds could be the greater concern Tuesday night into Wednesday, with a high likelihood for downed power lines and trees, especially after several days of rain.

Much of the region is under a high wind advisory with up to 50-mph winds possible.In some mountain and high desert areas, including the Antelope Valley and Lancaster, gusts could reach as high as 65 mph, causing widespread power outages.“This is really looking like a very significant wind maker,” said Ryan Kittell, a National Weather Service meteorologist in Oxnard.

Much of the area’s mountains are also under a winter storm warning, with heavy snow possible Tuesday evening through Thursday.That includes the Grapevine along Interstate 5 and the Highway 14 ...