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Seal Beach committee readies storm plan as king tides and high surf approach
Summary
City staff told the Stormwater Advisory Ad Hoc Committee that La Niña conditions make an intense storm season less likely but localized urban flooding remains possible; the city will stage sandbag stations, portable pumps and targeted alerts and urged residents to sign up for AlertOC and Nixle.
City staff briefed the Stormwater Advisory Ad Hoc Committee on Nov. 4 on winter preparedness and short-term steps residents should take ahead of king tides and high surf.
Dave, a city staff member presenting the winter outlook, said forecasts lean toward La Niña but warned that localized cells can still produce heavy, unexpected rainfall. "Outside of 10 days, their predictions are are garbage," he said, adding that the National Weather Service is more reliable as events approach. Staff outlined operational steps already in place: sandbag stations at public lots, staged portable pumps, signage and a planned press release to the community.
Staff described the city’s messaging channels and urged sign-ups. "Alert OC" and the county’s reverse-notification system reach the widest audience, while Nixle (a local opt-in service) is used for community-specific notices; staff said residents should subscribe to both. For immediate coastal events the city will emphasize high-tide and surf messaging on social media and through Nixle.
The committee discussed gaps in coverage after a recent localized storm cell that brought more water than predicted to coastal hotspots. Sergeant Gray and staff explained the city can draw polygons for targeted alerts, but the city typically sends notices by ZIP code because residents and visitors may be away from home. Committee members asked staff to pursue more granular alerting for known flood-prone addresses or zones.
Staff confirmed operational readiness: CERT volunteers can be activated to assemble filled sandbags at the Eighth Street beach lot and public works will stage pumps and signs as needed. The city will also continue to coordinate staging with OCFA and private vendors for equipment rental. Staff said the city will issue proactive messaging ahead of the coming high-tide events and will send a follow-up update to committee members after initial sandbag and pump staging is complete.
The committee did not take formal action on the presentation but asked staff to return with any changes to notification protocols and to document where targeted alerts could be used for recurring hotspots.
