Flash Flood Watch
Issued by NWS Los Angeles, CA

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091
WGUS66 KLOX 202227
FFALOX

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Los Angeles/Oxnard CA
227 PM PST Thu Nov 20 2025

CAZ088-362-366>373-379-380-548-210630-
/O.NEW.KLOX.FA.A.0009.251121T0600Z-251121T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Santa Clarita Valley-Malibu Coast-Los Angeles County Beaches-
Palos Verdes Hills-Los Angeles County Inland Coast including
Downtown Los Angeles-Western Santa Monica Mountains Recreational
Area-Eastern Santa Monica Mountains Recreational Area-Calabasas
and Agoura Hills-Western San Fernando Valley-Eastern San Fernando
Valley-Western San Gabriel Mountains and Highway 14 Corridor-
Eastern San Gabriel Mountains-Los Angeles County San Gabriel
Valley-
Including the cities of Long Beach, Santa Clarita, Westlake
Village, Van Nuys, Pacific Palisades, Warm Springs, Burbank,
Redondo Beach, Sunland, Culver City, The Angeles Crest Highway,
East Los Angeles, Glendale, Newhall, LAX, Santa Monica, Universal
City, Wrightwood, El Monte, Pasadena, Mount Wilson, Valencia,
Chatsworth, Beverly Hills, Northridge, Woodland Hills, Acton,
Rancho Palos Verdes, Topanga, Hollywood, Compton, Pomona,
Torrance, Malibu, Norwalk, La Canada Flintridge, San Gabriel,
Malibu Lake, Lake Castaic, Mill Creek, Mount Baldy, Malibu Bowl,
and Downey
227 PM PST Thu Nov 20 2025

...FLOOD WATCH IN EFFECT FROM 10 PM PST THIS EVENING THROUGH FRIDAY
MORNING...

* WHAT...Flooding caused by excessive rainfall is possible.

* WHERE...A portion of southwest California, including the following
  areas, Calabasas and Agoura Hills, Eastern San Fernando Valley,
  Eastern San Gabriel Mountains, Eastern Santa Monica Mountains
  Recreational Area, Los Angeles County Beaches, Los Angeles County
  Inland Coast including Downtown Los Angeles, Los Angeles County
  San Gabriel Valley, Malibu Coast, Palos Verdes Hills, Santa
  Clarita Valley, Western San Fernando Valley, Western San Gabriel
  Mountains and Highway 14 Corridor and Western Santa Monica
  Mountains Recreational Area.

* WHEN...From 10 PM PST this evening through Friday morning.

* IMPACTS...Excessive runoff may result in flooding of rivers,
  creeks, streams, and other low-lying and flood-prone locations.

* ADDITIONAL DETAILS...
  - Rain rates between 0.50 and 0.75 inches per hour are possible
    overnight tonight with a 10-20 percent chance of 1 inch per
    hour. Showers will be very scattered and not all areas will
    get heavy rain.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.

&&

$$

MW