Emergency Public Information regarding large scale incidents and planned events, where multiple Los Angeles area agencies are under a Joint Information Center.
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ALT Detailed map of the 2026 LA Marathon route showing start and finish lines, mile markers, water stations, and key landmarks across Los Angeles.
ALT Large crowd of runners participating in a marathon on a city street with mountains in the background under clear skies.
ALT Impacts & Suggested Actions Enhanced risk of rockslides & mudslides. Avoid canyon roads & travel in mountains. Stay off hillsides. Moderate risk of flooding & debris flows. Do NOT cross flooded roads! Adjust travel plans & pack extra supplies. Strong flows in waterways. Stay away from rivers & creeks (especially campers). High risk of downed trees & steep seas. Park cars away from tall trees. Keep boats in safe harbor.
ALT This graphic displays a flash flood warning plotted on a map. The warning is in effect until 12:00 PM PST. The warning includes West Hollywood CA, Malibu CA and Topanga CA. This warning is for The Santa Monica Mountains and Foothills from the Malibu Area to Hollywood of Southwestern Los Angeles County in southwestern California. Avoid walking or driving through flood waters! Move immediately to higher ground! There are 587,215 people in the warning along with 66 schools and 5 hospitals.
ALT Este gráfico muestra la localización en el mapa de un aviso de inundación repentina. El aviso estará en efecto hasta las 12:00 PM PST. El aviso incluye a West Hollywood CA, Malibu CA, Topanga CA. El aviso incluye The Santa Monica Mountains and Foothills from the Malibu Area to Hollywood of el suroeste del condado de Los Angeles en el suroeste de California. ¡Evite caminar o manejar su vehículo a través de áreas inundadas! ¡Muévase a un terreno más alto inmediatamente! Hay 587,215 personas bajo este aviso incluyendo 66 escuelas y 5 hospitales.
ALT LA City public works crews respond to downed tree blocking the width of the street.
ALT LA City public works crews clear tree blocking the street and move it to the side.
ALT This graphic displays a flash flood warning plotted on a map. The warning is in effect until 10:15 AM PST. The warning includes Malibu CA and Topanga CA. This warning is for Southwest Los Angeles County in southwestern California. Avoid walking or driving through flood waters! Move immediately to higher ground! There are 18,981 people in the warning along with 2 schools and 0 hospitals.
ALT Este gráfico muestra la localización en el mapa de un aviso de inundación repentina. El aviso estará en efecto hasta las 10:15 AM PST. El aviso incluye a Malibu CA, Topanga CA. El aviso incluye el condado de Southwest Los Angeles en el suroeste de California. ¡Evite caminar o manejar su vehículo a través de áreas inundadas! ¡Muévase a un terreno más alto inmediatamente! Hay 18,981 personas bajo este aviso incluyendo 2 escuelas y 0 hospitales.