Los Angeles Braces for Major Storm: Flooding and Mudslide Risks

Incoming Storm and Rainfall Forecast

• 🌧️ An atmospheric river is bearing down on Southern California, bringing days of heavy rain and the threat of flooding.
• ⚠️ Saturday is expected to see the real heavy rain, with a flood watch in effect for most of Los Angeles County.
• 📊 Potential rain totals range from 1-3 inches generally, with some areas possibly receiving 4-6 inches, and even over 6 inches around Oxnard.

Mudslide and Debris Flow Risks in Burn Areas

• ⛰️ Burn scar areas, particularly in the Pacific Palisades and Altadena, are at high risk for mud flows, mudslides, and landslides.
• 🚨 Mandatory evacuations are in effect in Altadena for the Eaton Fire burn scar area, with door-to-door warnings issued by the LA County Sheriff's Department.
• 🚧 In the Pacific Palisades, 13,000 concrete barriers (K-rails) are being used to channel potential mud and debris flow.
• 🚗 A small amount of rain can pick up significant debris, gathering steam and potentially causing devastation.

Evacuation and Preparedness Efforts

• 🚪 Residents in high-risk areas, like Altadena and the Palisades, are being warned and advised to prepare for evacuation.
• 🚗 Some residents are packing bags and ready to leave, while others are staying put but monitoring the situation closely.
• ⚠️ The Palisades fire zone is under an evacuation warning, with residents concerned about loose dirt and increased chances of slides.

Event Cancellations and Postponements

• 📅 Numerous events across Los Angeles have been cancelled or postponed due to the storm, including a large-scale taping at the Hollywood Bowl, the East LA Queer Marcato, and the Pasadena Armenian Festival.
• 🐶 Even a dog adoption event has been rescheduled to ensure safety.
• 📢 Organizers are prioritizing safety, leading to these difficult decisions, causing disappointment for many.

Infrastructure and Road Closures

• 🛣️ Topanga Canyon Boulevard will be closed from PCH to Grand View Drive, expected to last through the weekend due to instability in the Palisades fire burn area.
• 🚚 CALR trucks and heavy equipment are being deployed along PCH to clear debris and keep the evacuation route open.
• 🚨 Los Angeles has activated its citywide emergency operations center to coordinate first responders and agencies.