LEDE
A strong El Nino is building in the Pacific, and it could become one of the strongest on record. Ventura County officials are already mapping out which neighborhoods and roads are most likely to flood when the storms arrive.
WHAT HAPPENED
Ventura County departments have formed storm task forces to prepare for a wetter, stormier winter than usual. One task force focuses on emergency response. Another handles finance and recovery.
Public works crews are clearing stormwater channels and debris basins across the county. The county authorized overtime so crews can catch up on deferred maintenance before the rain starts.
Officials say just one inch of rain per hour could trigger debris flows anywhere in the county. That threshold matters even in areas that have not burned recently.
What the record shows
- Forecasters say this El Nino could rank among the strongest on record.
- One inch of rain per hour is the rate officials say can trigger debris flows countywide.
- La Conchita, off Highway 101 north of Ventura, was hit hard in prior storms and remains a concern.
- Matilija Canyon Road north of Ojai was significantly damaged in recent winters and is still vulnerable in spots.
- County crews are clearing channels and debris basins now, with overtime authorized to finish the work.
THE BIGGER QUESTION
The worry is not just how much rain falls. It is how fast it falls, and where. Burn-scarred hillsides and steep canyons can send mud and debris downhill with little warning when a heavy band of rain stalls over them.
That is why county officials are talking about specific places instead of general warnings. La Conchita has flooded before. Matilija Canyon Road has been cut off before. Naming those spots early gives residents time to plan.
THE OTHER SIDE
County Supervisor Matt LaVere said officials are walking a line between warning people and alarming them. "We don't want to scare people, because we don't know what's coming," he said. "But we also don't want to get caught flat-footed."
That view holds up. Forecasters can see the El Nino forming, but they cannot yet say how many big storms will actually hit Ventura County. Preparation now is cheap insurance against a winter that might or might not deliver.
WHAT HAPPENS NOW
Crews keep clearing channels and debris basins through the fall. Officials are drawing up backup plans for spots like Matilija Canyon Road, where heavy rain has cut off access before.
Residents can sign up for emergency alerts at readyventuracounty.org/vc-alert. If you live near a hillside, a canyon, or a flood channel, now is the time to check your drainage and your emergency supplies.
WHAT WE STILL DON'T KNOW
- How many major storms will this El Nino actually send to Ventura County?
- Will the heaviest rain fall over the most vulnerable canyons and burn scars?
- Which roads will be cut off first if back-to-back storms hit?
SOURCE NOTE
Reporting based on the Ventura County Star, October 12, 2026.