Flash Flood Warning

Locations Affected

Pasadena, CA ∙ Santa Clarita, CA ∙ Glendale, CA ∙ Alhambra, CA ∙ Rosemead, CA ∙ Arcadia, CA ∙ Glendora, CA ∙ San Fernando, CA ∙ Mayflower Village, CA ∙ Meiners Oaks, CA

Full Alert Message

BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Los Angeles/Oxnard CA 1155 AM PST Wed Dec 24 2025 The National Weather Service in Los Angeles/Oxnard has issued a * Flash Flood Warning for... Central and Northern Los Angeles County in southwestern California... Southeastern Santa Barbara County in southwestern California... Ventura County in southwestern California... * Until 600 PM PST Wednesday. * At 1155 AM PST, heavy rain has occurred and caused significant flooding, rock slides, and mud slides. Moderate rain will continue through early evening, causing dangerous, life-threating conditions to continue. HAZARD...Life threatening flash flooding. Heavy rain producing flash flooding. Rock slides and mud slides. SOURCE...Reported by public, broadcast media, and law enforcement. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. Mud slides and rock slides. * Some locations that will experience flash flooding include... Simi Valley, Fillmore, Acton, Ojai, Wrightwood, Santa Clarita, Chatsworth, Northridge, Woodland Hills, Van Nuys, Encino, North Hollywood, Burbank, Universal City, Beverly Hills, Hollywood, Griffith Park, Lancaster, Palmdale and Pasadena. PRECAUTIONARY/PREPAREDNESS ACTIONS... Avoid flooded roads. Be aware of rock slides, mudslides, and possibly debris flows. && LAT...LON 3474 11989 3490 11945 3488 11928 3481 11924 3479 11898 3482 11838 3456 11824 3448 11809 3441 11766 3429 11765 3410 11770 3407 11827 3416 11861 3429 11874 3452 11986 FLASH FLOOD...OBSERVED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

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