The National Weather Service has issued a flash flood warning for Malibu and surrounding regions near the Franklin Fire and Palisades Fire burn scars. This warning will remain in effect through Sunday evening as heavy rain sweeps across the area. Flash Flood Warning and Mudslide Risks In Malibu Southern California.
Mudslide Risks in Burn Areas
The rain has heightened concerns about potential mudslides in burn scar regions such as Malibu, Altadena, and other affected areas. To address these risks, the Los Angeles County Sheriff’s Department has issued a mud and rockslide warning advisory. The advisory identifies Altadena and Malibu as “high-risk” zones for these hazards.
Precautionary Measures for Residents
Residents are urged to take the following precautions:
- Stay updated on weather forecasts and emergency alerts.
- Create a family emergency plan with a meeting point and evacuation route.
- Keep essential supplies like a battery-powered radio, flashlight, and first aid kit ready.
- Avoid burn areas and unnecessary travel.
- Follow evacuation orders promptly if issued.
Extended Flood Watch
A Flood Watch remains in effect for areas impacted by the Palisades, Franklin, Eaton, Bridge, and Hughes fires. This watch has been extended through 4 p.m. Monday.
Rainfall and Thunderstorm Forecast
Rainfall rates are expected to remain below a quarter inch per hour through early afternoon. However, rates between a quarter and a third of an inch per hour will likely occur starting Sunday afternoon. According to the National Weather Service, isolated rainfall rates of 0.5 to 0.75 inches per hour are possible after 4 p.m. as showers intensify. The heaviest rain is anticipated between Sunday evening and Monday.
Thunderstorms could bring:
- Brief heavy downpours
- Gusty winds
- Small hail
- Waterspouts over coastal waters
Malibu-Specific Concerns
In Malibu, light and steady overnight rain has raised concerns about intensifying conditions in burn areas affected by the recent Palisades Fire and last month’s Franklin Fire. Authorities are monitoring these areas closely. Rain may also impact Malibu Canyon Road, which is prone to landslides. As a precaution, Los Angeles County Public Works will close the roadway from 5 p.m. Sunday until 5 p.m. Monday or until deemed safe for travel.
Local school officials are considering whether to close Malibu public schools on Monday. A final decision is expected by 5 a.m. Monday.
Motorists are advised to avoid burn areas and mountain roads during the storm, as worsening weather is anticipated later in the day.
Mountain Communities and Winter Storm Warnings
In the mountain regions, temperatures have dropped to around 30 degrees, and a winter storm warning is in effect. Snow levels are expected to range from 3,500 to 4,500 feet, with 3 to 8 inches of snow forecasted for most mountains and 6 to 14 inches in the San Gabriels.
A winter weather advisory has also been issued for the Antelope Valley, effective Sunday evening through early Monday afternoon. The foothills, particularly east of Highway 14, could see 2 to 4 inches of snow.
Altadena and Burn Scar Stability
In Altadena, stability concerns persist, particularly in areas affected by the Eaton Fire. Rain could loosen debris, creating dangerous runoff and potentially carrying pollutants into local areas. Efforts are underway to mitigate risks, including:
- Deploying approximately 15,000 K-rails.
- Clearing catch basins and drainage systems.
- Handling contaminated materials with care in burn scar regions.
Looking Ahead
The National Weather Service forecasts dry but cool conditions midweek, with the possibility of a weaker storm later in the week. Authorities and residents are advised to stay vigilant as conditions develop.
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