California Christmas Storm: Heavy Rain, Flooding, and Evacuations Expected in Southern California

Storm Forecast and Timing

• 🌧️ Southern California is preparing for a significant storm, with the first major rain burst expected late tonight into tomorrow morning, impacting Christmas Eve preparations.
• ⏰ Three main rounds of rain are anticipated: the most impactful on Christmas Eve, a second round on Christmas afternoon and evening, and a third on Friday morning.
• 📊 The National Weather Service has issued a rare Level 4 out of 4 risk for flooding, indicating the seriousness of the storm.

Evacuation Orders and Warnings

• ⚠️ Evacuation orders are in effect for specific areas in Orange County (Tribuko Creek, Bell Canyon, Hot Springs Canyon) and Ventura County (Ventura Beach RV Resort).
• 🚨 Evacuation warnings are issued for burn scar areas in LA County, including Kenneth, Palisades, Mandeville Canyon, Eaton, Sunset, and Topanga Canyon.
• 🏠 Deputies are conducting door-to-door warnings, identifying vulnerable homes near burn scars, with over 300 homes deemed in danger.

Impact and Preparedness

• 🌊 The storm is expected to bring heavy rain, strong winds, and potential for flash flooding and dangerous debris flows, especially in areas with recent fire burn scars.
• 🚗 LA Mayor Karen Bass is urging residents to stay off the roads to ensure safety during the holiday weekend.
• 🏠 Residents in burn scar areas are taking measures like covering homes with tarps and preparing for the worst, though some express concerns about leaving during the holidays.

Rainfall and Wind Projections

• 📈 Total rainfall by the end of the week could reach 10 inches or more in the San Gabriel and San Bernardino Mountains, with widespread 4-5 inches possible in many LA areas.
• 💨 High wind warnings and advisories are in effect, with gusts potentially reaching 50 to 80 mph in higher elevations, increasing the risk of downed trees and power outages.
• ❄️ Snow levels are expected to drop throughout the week, with significant snow accumulation possible in higher elevations.

Historical Context and Outlook

• 📜 Current rainfall projections for LA could surpass historical Christmas holiday rain events, which have typically seen less than 4 inches.
• 🗓️ While rain is expected through Friday morning, the weather is anticipated to start drying out by Saturday.
• 🌐 Residents are advised to stay informed via local news, weather apps, and county emergency alert systems.