'Pretty epic' Kelvin wave is latest threat to SoCal coastal cities. How soon, and how bad?
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Set us as preferred Coastal communities are beginning to assess the damage from waves and flooding as Southern California braces for more potentially destructive conditions from a “coastally trapped Kelvin wave.”Homes from south Orange County to Malibu were flooded and severely damaged.Erosion chewed away the coast from Carlsbad to Long Beach.Laguna Beach, Dana Point and Carlsbad last week declared a local state of emergency, citing coastal erosion and sand loss from the effects of a south swell brought on by Hurricane Marie.
El Niño typically results in an unusually active hurricane season in the eastern Pacific, which is where Hurricane Marie formed.“I’d been chatting with other cities and city managers up and down the coast, and I think we all had different levels of damage,” Laguna Beach City Manager Dave Kiff said.“I think Laguna’s was among the greatest, or most significant, but everybody talked about concern about sand and sand replenishment.
They do have sand replenishment projects, from Newport to Huntington to Seal Beach, and then there’s some farther down south.”Orange County officials announced that they were activating their emergency operations center, which is required when two cities in the county proclaim a local emergency.“Our coastal cities are experiencing serious damage, and the county is mobilizing our emergency response,” Orange County Board of Supervisors Vice Chair Katrina Foley said in a statement.Transportation officials posted a video showing severe erosion jeopardizing the train tracks used by Metrolink in San Clemente, with strong ocean waves crashing on the tracks and sediment crumbling onto the rocks below.“It is that serious,” Metrolink said in the post.In San Diego County, Carlsbad declared a local emergency in an effort to save Carlsbad Boulevard, also known as Ol...