Southern California weather: Atmospheric river to bring storm, ‘high risk’ of flash flooding for some areas

Residents near the Palisades Fire burn zone are under alert as an incoming storm threatens mudslides and debris flows. An evacuation warning is in effect beginning at 11 a.m. on Tuesday for communities in and around Malibu.

Preparing for Potential Impacts

The approaching storm has prompted widespread preparation. Crews are reinforcing slopes and barriers with k-rails and tarps, and residents are bracing for potential road closures. Teresa Legrove, a resident of Malibu Country Estates, noted that a quiet Christmas at home – or a visit to Joffrey’s – may be the outcome if roads become impassable.

Did You Know? 13,000 feet of k-rails have been strategically placed in Pacific Palisades to help mitigate the risk of debris flows.

NOAA meteorologist Kyle Wheeler emphasized the heightened risk for areas impacted by recent wildfires, stating, “The potential is definitely there for a couple of mudslides, debris flows, particularly in areas that have seen wildfires in recent history.”

Campus and City Readiness

Even with classes not in session, Pepperdine University is taking precautions. Staff are deploying approximately 1,000 sandbags – 500 filled with sand and 500 with gravel – to protect against potential slides and ensure drainage systems are clear, according to Sergia Pena.

Los Angeles Mayor Karen Bass stated the city is also preparing, with sandbags available at every fire station. The Los Angeles Fire Department is increasing staffing levels in anticipation of potential water rescues.

Expert Insight: Burn scars significantly increase the risk of mudslides and debris flows during heavy rainfall. Wildfires remove vegetation that anchors soil, leaving hillsides vulnerable to erosion and the rapid movement of saturated ground.

Residents have expressed concern about potential road closures, particularly along Pacific Coast Highway (PCH), as noted by Paul Sullivan, a Calabasas resident.

Frequently Asked Questions

When does the evacuation warning go into effect?

The evacuation warning for the Palisades Fire burn scar goes into effect at 11 a.m. on Tuesday.

Where can residents find sandbags?

Sandbags are available at every fire station in Los Angeles, according to Mayor Karen Bass.

How can residents stay informed about emergency alerts?

Residents can sign up for emergency alerts at notifyla.org.

As the storm approaches, residents in the affected areas may face travel disruptions and potential safety concerns. It remains to be seen how severely the region will be impacted, but continued vigilance and preparedness are advised.

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