San Jose steps up El Niño West Coast Weather Impact preparations before March

San Jose and Valley Water are preparing for El Niño West Coast weather impact, with storm work, flood barriers and emergency planning ahead of March.

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San Jose steps up El Niño West Coast Weather Impact preparations before March

San Jose and Santa Clara Valley Water District officials moved to widen storm preparations on Oct. 13 as NOAA kept a 100% chance of a strong El Niño through March, sharpening the El Niño West Coast Weather Impact for neighborhoods along Coyote Creek. The joint session came as residents in Naglee Park and other flood-prone areas weighed whether the city’s newest defenses would hold up if winter storms arrive in force.

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The planning session included a tour of San Jose’s expanded 11,000-square-foot Emergency Operations Center. Officials also reviewed the city’s work along nearly 30 miles of waterways, where storm drains are being cleared, emergency contracts are being set up to remove tree blockages, and encampment-free buffer zones are being enforced before heavy rain.

Coyote Creek flood lessons

The 2017 floods remain the benchmark for what is at stake. Muddy water inundated neighborhoods around Coyote Creek, damaged more than 500 homes and forced the evacuation of 14,000 residents, with the hardest-hit areas including Rock Springs, Naglee Park and several mobile home parks. Damage was estimated at $100 million.

Eric Heckman, whose Naglee Park home backs up to Coyote Creek, said the new floodwall behind his property has changed the landscape but not eliminated the worry. Sealing the barrier requires two trained personnel to manually crank shut a massive steel gate the width of a garage.

Eric Heckman and the floodwall

Heckman pressed the point with a direct warning about the new barrier. “There is no number near the wall to say ‘here’s who to call.’ There’s no cameras that are watching it,” he said.

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That concern lands in the middle of a broader response effort. Mark Schroeder of the Coyote Mudlarks presented a petition signed by over 230 residents, while Valley Water is advancing major safety upgrades along Coyote Creek and an earthquake-proofing project at Anderson Dam in Morgan Hill. This winter, engineers can also use a new bypass tunnel to safely drain reservoir water ahead of heavy storms.

Valley Water and Newsom

Gov. Gavin Newsom declared a state of emergency last month to help cities speed up creek clearing and rush supplies to vulnerable neighborhoods. The declaration also lets cities like San Jose log storm-prep hours for state disaster relief and cut regulatory red tape before heavy rains arrive.

The question now is operational, not abstract: whether trained crews can reach the flood barrier and close it fast enough when storms build. San Jose’s preparations have improved since 2017, but the system still depends on people, timing and access at the water’s edge.

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On-the-ground news correspondent reporting from city halls, courtrooms, and press briefings. Holder of a Columbia Journalism School degree.