Hazard Report Provided By forecast.weather.gov

Flood Watch
National Weather Service Los Angeles/Oxnard CA
919 AM PST Wed Dec 24 2025

CAZ038-087-088-340>358-366>383-548-250130-
/O.CON.KLOX.FA.A.0010.000000T0000Z-251227T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cuyama Valley-Catalina and Santa Barbara Islands-Santa Clarita
Valley-San Luis Obispo County Beaches-San Luis Obispo County
Inland Central Coast-Santa Lucia Mountains-Southern Salinas
Valley-San Luis Obispo County Interior Valleys-San Luis Obispo
County Mountains-Santa Barbara County Central Coast Beaches-Santa
Barbara County Inland Central Coast-Santa Ynez Valley-Santa
Barbara County Southwestern Coast-Santa Barbara County
Southeastern Coast-Santa Ynez Mountains Western Range-Santa Ynez
Mountains Eastern Range-Santa Barbara County Interior Mountains-
Ventura County Beaches-Ventura County Inland Coast-Lake Casitas-
Ojai Valley-Central Ventura County Valleys-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-Southeastern Ventura County Valleys-
Santa Susana Mountains-Southern Ventura County Mountains-Northern
Ventura County Mountains-Interstate 5 Corridor-Western San
Gabriel Mountains and Highway 14 Corridor-Eastern San Gabriel
Mountains-Western Antelope Valley Foothills-Eastern Antelope
Valley Foothills-Antelope Valley-Los Angeles County San Gabriel
Valley-
Including the cities of Vandenberg Space Force Base, East Los
Angeles, San Luis Obispo, Warm Springs, Pyramid Lake, La Canada
Flintridge, Lompoc, Point Mugu, Van Nuys, Hearst Castle,
Valencia, Santa Ynez, Sunland, Northridge, Pismo Beach,
Carpinteria, Topanga, San Marcos Pass, Pomona, Irish Hills,
Arroyo Grande, Acton, Lockwood Valley, San Gabriel, Morro Bay,
The Angeles Crest Highway, Ozena, Norwalk, Fillmore, Santa
Monica, Pasadena, Lake Castaic, Gorman, Valyermo, Paso Robles,
Buellton, Beverly Hills, Oat Mountain, Montecito Hills, Llano,
Tejon Pass, Long Beach, Santa Barbara, Refugio State Beach,
Camarillo, Rose Valley, Santa Clarita, Gaviota, Shandon, Santa
Maria, Santa Paula, Lake Cachuma, Lancaster, New Cuyama, Redondo
Beach, Matilija, Creston, El Capitan State Beach, Carrizo Plain,
Universal City, Chatsworth, Mount Baldy, Figueroa Mountain, San
Rafael Mountain, Los Olivos, Westlake Village, Newbury Park, Lake
Nacimiento, Elizabeth Lake, Ojai, Rancho Palos Verdes, Nipomo,
Thousand Oaks, Big Pine Mountain, Newhall, East Ventura, Avalon,
Montecito, El Monte, Avila Beach, LAX, Pearblossom, Caliente
Range, Piru, Meiners Oaks, Moorpark, San Miguel, Port Hueneme,
Hollywood, Burbank, Mount Pinos, Malibu Bowl, Atascadero, Oak
View, Lake Los Angeles, Oxnard, Simi Valley, Ventura, Wrightwood,
Mill Creek, Cambria, Malibu Lake, Lopez Lake, Woodland Hills,
Glendale, Downey, Goleta, Santa Margarita Lake, Palmdale, Lake
Palmdale, Jalama Beach, Solvang, La Panza Range, Topatopa
Mountains, Compton, Templeton, Mount Wilson, Culver City, and
Torrance
919 AM PST Wed Dec 24 2025

...FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY AFTERNOON...

* WHAT...Significant and widespread flooding caused by excessive
  rainfall will be likely, with potential debris flow impacts across
  recent burn scars.

* WHERE...A portion of southwest California, including the following
  areas, Antelope Valley, Calabasas and Agoura Hills, Catalina and
  Santa Barbara Islands, Central Ventura County Valleys, Cuyama
  Valley, Eastern Antelope Valley Foothills, Eastern San Fernando
  Valley, Eastern San Gabriel Mountains, Eastern Santa Monica
  Mountains Recreational Area, Interstate 5 Corridor, Lake Casitas,
  Los Angeles County Beaches, Los Angeles County Inland Coast
  including Downtown Los Angeles, Los Angeles County San Gabriel
  Valley, Northern Ventura County Mountains, Ojai Valley, Palos
  Verdes Hills, San Luis Obispo County Beaches, San Luis Obispo
  County Inland Central Coast, San Luis Obispo County Interior
  Valleys, San Luis Obispo County Mountains, Santa Barbara County
  Central Coast Beaches, Santa Barbara County Inland Central Coast,
  Santa Barbara County Interior Mountains, Santa Barbara County
  Southeastern Coast, Santa Barbara County Southwestern Coast, Santa
  Clarita Valley, Santa Lucia Mountains, Santa Susana Mountains,
  Santa Ynez Mountains Eastern Range, Santa Ynez Mountains Western
  Range, Santa Ynez Valley, Southeastern Ventura County Valleys,
  Southern Salinas Valley, Southern Ventura County Mountains,
  Ventura County Beaches, Ventura County Inland Coast, Western
  Antelope Valley Foothills, Western San Fernando Valley, Western
  San Gabriel Mountains and Highway 14 Corridor and Western Santa
  Monica Mountains Recreational Area.

* WHEN...Through Friday afternoon.

* IMPACTS...This prolonged strong Atmospheric River storm system
  will bring periods of heavy rain from late Tuesday into Thursday
  evening. Potential flooding impacts include the threat of
  significant and widespread urban roadway flooding, a high risk of
  major rock/mudslides, and rapid rises in creeks, streams, and
  rivers which will likely lead to swift water rescues. The recent
  burn scars will be at risk for debris flows, possibly damaging.
  These flooding impacts will likely lead to significant travel
  delays and road closures during this busy holiday travel period.

* ADDITIONAL DETAILS...
  - Heavy rainfall with possible thunderstorms is expected with
    high rainfall rates, potentially exceeding one inch per hour
    during the peak of the event Tuesday night into Wednesday
    across favored south facing slopes and near thunderstorms.
    Another round of heavier rain and thunderstorms will be
    possible on Thursday.
  - 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.

&&

$$

Flash Flood Warning
CAC037-250200-
/O.NEW.KLOX.FF.W.0053.251224T2006Z-251225T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Los Angeles/Oxnard CA
1206 PM PST Wed Dec 24 2025

The National Weather Service in Los Angeles/Oxnard has issued a

* Flash Flood Warning for...
  Northeastern Los Angeles County in southwestern California...

* Until 600 PM PST.

* At 1206 PM PST, Doppler radar indicated moderate rain across the
  warned area. Flash flooding has developed. Heavy rain over the
  mountains caused downstream flash flooding through creeks and
  streams across the Antelope Valley.

  HAZARD...Flash flooding caused by heavy rain. Rock slides and
           mud slides.

  SOURCE...Trained spotters reported.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas. Rock slides
           and mud slides.

* Some locations that will experience flash flooding include...
  Lake Los Angeles, Palmdale, Lancaster, Quartz Hill, Pearblossom,
  Llano, Littlerock, Lake Palmdale, Valyermo, Desert View Highlands,
  Saddleback Butte State Park, Highway 138 between Llano and the San
  Bernardino County line and Highway 138 between Quail Lake and
  Lancaster.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid flooded roads. Be aware of rock slides, mudslides, and
possibly debris flows.

&&

LAT...LON 3447 11809 3455 11825 3482 11839 3482 11819
      3470 11767 3441 11766

FLASH FLOOD...OBSERVED

$$

Cohen/Loeffelbein/Gomberg

Flash Flood Warning
CAC037-250200-
/O.NEW.KLOX.FF.W.0052.251224T2001Z-251225T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Los Angeles/Oxnard CA
1201 PM PST Wed Dec 24 2025

The National Weather Service in Los Angeles/Oxnard has issued a

* Flash Flood Warning for...
  Southern Los Angeles County in southwestern California...

* Until 600 PM PST.

* At 1201 PM PST, local law enforcement reported heavy rain across
  the warned area. Flash flooding is already occurring. Rock slides
  and mud slides.

  HAZARD...Flash flooding caused by heavy rain. Rock slides and
           mud slides.

  SOURCE...Law enforcement reported.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas. Rock slides
           and mud slides.

* Some locations that will experience flash flooding include...
  Long Beach, Thousand Oaks, Malibu, Inglewood, Culver City,
  Downtown Los Angeles, Manhattan Beach, Torrance, Hermosa Beach,
  Hollywood, Beverly Hills, Venice, Redondo Beach, Santa Monica,
  Rancho Palos Verdes, Alhambra, Encino and Whittier.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid flooded roads. Be aware of rock slides, mudslides, and
possibly debris flows.

&&

LAT...LON 3417 11879 3417 11867 3423 11867 3416 11859
      3408 11827 3410 11770 3402 11773 3398 11780
      3395 11779 3395 11798 3390 11798 3384 11806
      3370 11812 3367 11835 3377 11850 3390 11847
      3399 11859 3400 11891 3405 11900 3405 11894

FLASH FLOOD...OBSERVED

$$

Cohen/Loeffelbein

Flash Flood Warning
CAC037-083-111-250200-
/O.NEW.KLOX.FF.W.0051.251224T1955Z-251225T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

$$

Cohen/Loeffelbein

Special Weather Statement
National Weather Service OXNARD CA
1138 AM PST Wed Dec 24 2025

CAZ380-548-242030-
Los Angeles County San Gabriel Valley CA-
Eastern San Gabriel Mountains CA-
1138 AM PST Wed Dec 24 2025

...STRONG THUNDERSTORMS WILL IMPACT EAST CENTRAL LOS ANGELES COUNTY
THROUGH 1230 PM PST...

At 1137 AM PST, Doppler radar was tracking strong thunderstorms along
a line extending from 8 miles west of Mount Baldy to near Yorba
Linda. Movement was northeast at 15 mph.

HAZARD...Wind gusts in excess of 50 mph. Although unlikely, a brief
         spin up tornado is possible.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Chino...
San Dimas...
Pomona...
Glendora...
Chino Hills...
Montclair...
La Verne...
Mount Baldy...
Diamond Bar...
Claremont...
and Walnut.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3402 11773 3402 11777 3401 11777 3400 11779
      3398 11780 3396 11779 3394 11783 3430 11785
      3430 11765 3428 11764
TIME...MOT...LOC 1937Z 239DEG 10KT 3431 11780 3395 11781

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPH

$$

Black/Cohen

Flood Advisory
National Weather Service Los Angeles/Oxnard CA
507 AM PST Wed Dec 24 2025

CAC037-250000-
/O.NEW.KLOX.FA.Y.0115.251224T1307Z-251225T0000Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Los Angeles CA-
507 AM PST Wed Dec 24 2025

...FLOOD ADVISORY IN EFFECT UNTIL 4 PM PST THIS AFTERNOON...

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

* WHERE...A portion of southwest California, including the following
  county, Central and southeast Los Angeles County.

* WHEN...Until 400 PM PST Wednesday.

* IMPACTS...Minor flooding in low-lying and poor drainage areas.
  Water over roadways.

* ADDITIONAL DETAILS...
  - At 505 AM PST, Doppler radar and automated rain gauges
    indicated heavy rain due to thunderstorms. Minor flooding is
    ongoing or expected to begin shortly in the advisory area. Up
    to 1 inch of rain has fallen.
  - Some locations that will experience flooding include...
    Long Beach, Alhambra, Downtown Los Angeles, Whittier,
    Pasadena, Inglewood, Griffith Park, Hollywood, Culver City,
    Universal City, Torrance, Burbank, Beverly Hills, West
    Covina, Manhattan Beach, Hermosa Beach, Redondo Beach, Venice
    and North Hollywood.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 3416 11809 3419 11767 3402 11773 3402 11777
      3398 11780 3395 11778 3395 11798 3390 11798
      3384 11806 3372 11811 3370 11830 3374 11843
      3378 11845 3387 11842 3400 11853 3420 11847
      3421 11826


$$

Lund

Flood Advisory
National Weather Service Los Angeles/Oxnard CA
338 AM PST Wed Dec 24 2025

CAC037-250000-
/O.NEW.KLOX.FA.Y.0113.251224T1138Z-251225T0000Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Los Angeles CA-
338 AM PST Wed Dec 24 2025

...FLOOD ADVISORY IN EFFECT UNTIL 4 PM PST THIS AFTERNOON...

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

* WHERE...A portion of southwest California, including the following
  county, Los Angeles. This also includes the Bridge and Eaton Burn
  scars.

* WHEN...Until 400 PM PST Wednesday.

* IMPACTS...Minor flooding in low-lying and poor drainage areas.
  Water over roadways.

* ADDITIONAL DETAILS...
  - At 336 AM PST, Doppler radar and automated rain gauges
    indicated heavy rain due to thunderstorms. Minor flooding is
    ongoing or expected to begin shortly in the advisory area. Up
    to 1.2 inches of rain have fallen.
  - Some locations that will experience flooding include...
    Acton, Wrightwood, Mount Wilson, Pasadena, Burbank, Glendora,
    North Hollywood, Van Nuys, Santa Clarita, Altadena, La Canada
    Flintridge, Glendale, Sunland, Pacoima, Sylmar, Valyermo,
    Angeles Crest Highway between Mount Wilson and Mount
    Waterman, La Crescenta, Sierra Madre and Monrovia.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be aware of your surroundings and do not drive on flooded roads.

Campers should avoid low-lying areas.



&&

LAT...LON 3418 11786 3415 11809 3420 11826 3419 11848
      3432 11843 3446 11846 3469 11852 3451 11824
      3441 11766 3429 11765 3421 11767 3417 11769


$$

Black

Flood Advisory
National Weather Service Los Angeles/Oxnard CA
245 AM PST Wed Dec 24 2025

CAC037-111-250000-
/O.NEW.KLOX.FA.Y.0112.251224T1045Z-251225T0000Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Los Angeles CA-Ventura CA-
245 AM PST Wed Dec 24 2025

...FLOOD ADVISORY IN EFFECT UNTIL 4 PM PST THIS AFTERNOON...

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

* WHERE...A portion of southwest California, including the following
  counties, the western portion of Los Angeles and the northern
  Ventura County Mountains.

* WHEN...Until 400 PM PST Wednesday.

* IMPACTS...Minor flooding in low-lying and poor drainage areas.
  Water over roadways.

* ADDITIONAL DETAILS...
  - At 242 AM PST, Doppler radar and automated rain gauges
    indicated heavy rain. Minor flooding is ongoing or expected
    to begin shortly in the advisory area. Up to 1 inch of rain
    has fallen.
  - Some locations that will experience flooding include...
    Thousand Oaks, Malibu, Chatsworth, Santa Clarita, Agoura
    Hills, Northridge, Woodland Hills, Van Nuys, Encino, Santa
    Monica, Porter Ranch, Westlake Village, Canoga Park, Granada
    Hills, Calabasas, Malibu Creek State Park, Sylmar, Lockwood
    Valley and Topanga State Park.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.

&&

LAT...LON 3481 11924 3479 11889 3482 11889 3482 11877
      3468 11850 3433 11842 3400 11852 3402 11862
      3397 11881 3404 11895 3409 11895 3418 11879
      3418 11868 3425 11868 3425 11864 3453 11876
      3462 11926 3470 11944 3490 11944 3488 11928


$$

Lund/Rorke

URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
1219 PM PST Tue Dec 23 2025

CAZ038-340>353-376>383-241400-
/O.CON.KLOX.HW.W.0015.000000T0000Z-251225T2300Z/
Cuyama Valley-San Luis Obispo County Beaches-San Luis Obispo
County Inland Central Coast-Santa Lucia Mountains-Southern
Salinas Valley-San Luis Obispo County Interior Valleys-San Luis
Obispo County Mountains-Santa Barbara County Central Coast
Beaches-Santa Barbara County Inland Central Coast-Santa Ynez
Valley-Santa Barbara County Southwestern Coast-Santa Barbara
County Southeastern Coast-Santa Ynez Mountains Western Range-
Santa Ynez Mountains Eastern Range-Santa Barbara County Interior
Mountains-Southern Ventura County Mountains-Northern Ventura
County Mountains-Interstate 5 Corridor-Western San Gabriel
Mountains and Highway 14 Corridor-Eastern San Gabriel Mountains-
Western Antelope Valley Foothills-Eastern Antelope Valley
Foothills-Antelope Valley-
Including the cities of Pismo Beach, Irish Hills, Refugio State
Beach, Santa Maria, El Capitan State Beach, Rose Valley, Paso
Robles, San Luis Obispo, Lompoc, Mount Pinos, Tejon Pass,
Wrightwood, Santa Ynez, Lake Nacimiento, Santa Barbara, Nipomo,
Jalama Beach, Lockwood Valley, Llano, Lake Cachuma, Gaviota,
Gorman, New Cuyama, Lake Palmdale, Santa Margarita Lake, San
Marcos Pass, Big Pine Mountain, Atascadero, Creston, Pyramid
Lake, San Rafael Mountain, Solvang, Goleta, Warm Springs, The
Angeles Crest Highway, Lancaster, Mount Wilson, Arroyo Grande,
Carrizo Plain, La Panza Range, Vandenberg Space Force Base,
Montecito, Mount Baldy, Avila Beach, Morro Bay, Shandon, Lake Los
Angeles, Caliente Range, Montecito Hills, Buellton, Lopez Lake,
Cambria, Figueroa Mountain, Acton, Mill Creek, Pearblossom,
Hearst Castle, Los Olivos, Palmdale, Topatopa Mountains,
Templeton, Matilija, Ozena, San Miguel, Carpinteria, Elizabeth
Lake, and Valyermo
1219 PM PST Tue Dec 23 2025

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 PM PST THURSDAY...

* WHAT...South to southeast winds 30 to 50 mph with damaging gusts
  up to 70 mph likely, except up to 80 mph in the mountains and
  foothills.

* WHERE...All of San Luis Obispo and Santa Barbara counties, the
  mountains and foothills of Los Angeles and Ventura counties, and
  the Antelope Valley.

* WHEN...Until 3 PM PST Thursday.

* IMPACTS...Damaging winds are likely with this powerful Atmospheric
  River storm, with widespread downed trees and powerlines likely,
  as well as the potential for power outages and property damage.
  Travel will be difficult, especially for high profile vehicles.
  Mountain roadways and passes will be especially dangerous,
  including the busy Interstate 5 near the Grapevine. The
  combination of strong winds and moist soils will increase the risk
  for downed trees.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Watch for falling debris and tree limbs. Use caution if you must
drive. Secure loose outdoor objects that could be blown around or
damaged by the wind.

&&

$$

Hazard Report Provided By forecast.weather.gov