A powerful atmospheric river brought heavy rainfall, widespread flooding and gusty winds to the area. Rainfall totals generally ranged from 2-6 inches across the coastal and valley areas with 6-16 inches across the mountains and foothills. With the heavy rainfall, widespread flooding, especially across San Luis Obispo and Santa Barbara counties. Strong southerly winds, gusting up to 94 MPH, were reported across the area.

Flash Flood in SAN LUIS OBISPO, CALIFORNIA
From 09-JAN-23 20:16:00 to 09-JAN-23 21:00:00 (PST-8)
Location: PISMO BEACH
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Significant flash flooding reported near Dolliver and Highway 1 intersection.

Flash Flood in VENTURA, CALIFORNIA
From 09-JAN-23 19:01:00 to 09-JAN-23 20:30:00 (PST-8)
Location: FOSTER PARK
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rainfall produced flash flooding and mudslides near the on and off ramps of Highway 33.

Flash Flood in SANTA BARBARA, CALIFORNIA
From 09-JAN-23 16:43:00 to 09-JAN-23 16:56:00 (PST-8)
Location: WHITE HILLS JCT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rainfall produced flash flooding on Highway 246 between Sweeney Road and Mission Gate Road.

Flash Flood in SANTA BARBARA, CALIFORNIA
From 09-JAN-23 13:31:00 to 09-JAN-23 14:45:00 (PST-8)
Location: SUMMERLAND
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rainfall produced flash flooding which closed Highway 101 near Carpinteria.

Flood in SAN LUIS OBISPO, CALIFORNIA
From 10-JAN-23 06:24:00 to 10-JAN-23 06:45:00 (PST-8)
Location: GUADALUPE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rainfall produced flash flooding across Branch Mill Road. Law enforcement reported significant mud and debris across the roadway.

Flash Flood in SAN LUIS OBISPO, CALIFORNIA
From 09-JAN-23 10:59:00 to 09-JAN-23 12:30:00 (PST-8)
Location: SANTA MARGARITA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rainfall produced flash flooding on Las Pilitas Road near Lake Santa Margarita. The bridge was impassable due to flooding.

Flash Flood in LOS ANGELES, CALIFORNIA
From 09-JAN-23 19:17:00 to 09-JAN-23 21:30:00 (PST-8)
Location: SANTA SUSANA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rainfall produced flash flooding across Interstate 10 near Santa Monica.

Flash Flood in SAN LUIS OBISPO, CALIFORNIA
From 09-JAN-23 14:41:00 to 09-JAN-23 16:45:00 (PST-8)
Location: GUADALUPE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rainfall produced flash flooding near Creston Road. The flooded river severely damaged the bridge.

High Wind in SANTA LUCIA MOUNTAINS, CALIFORNIA
From 09-JAN-23 05:20:00 to 10-JAN-23 04:00:00 (PDT-7)
Magnitude: 65.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Strong southerly winds, gusting in excess of 60 MPH, impacted the Santa Lucia Mountains in San Luis Obispo county. Some peak gusts from the local mesonet: Adelaida (gust 75 MPH), TV Tower (gust 66 MPH) and Camino Del Capitan (gust 69 MPH).

High Wind in VENTURA COUNTY MOUNTAINS, CALIFORNIA
From 09-JAN-23 17:22:00 to 09-JAN-23 20:00:00 (PST-8)
Magnitude: 58.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Strong southerly winds, gusting in excess of 60 MPH, impacted the mountains of Ventura county. The strongest gust, 67 MPH, was recorded at Ozena.

Flood in VENTURA, CALIFORNIA
From 09-JAN-23 21:28:00 to 09-JAN-23 23:00:00 (PST-8)
Location: VENTURA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rainfall produced significant flooding across Highway 101 near the Highway 33 interchange.

High Wind in LOS ANGELES COUNTY MOUNTAINS, CALIFORNIA
From 09-JAN-23 02:40:00 to 10-JAN-23 09:40:00 (PST-8)
Magnitude: 82.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Strong southerly winds, gusting in excess of 90 MPH, impacted the mountains of Los Angeles county. Some peak gusts from the local mesonet include: Sierra Pelona West (gust 94 MPH), Magic Mountain Truck Trail (gust 88 MPH) and Ford Observatory (gust 71 MPH).

High Wind in SAN LUIS OBISPO COUNTY MOUNTAINS, CALIFORNIA
From 09-JAN-23 05:30:00 to 09-JAN-23 09:30:00 (PDT-7)
Magnitude: 64.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Strong southerly winds, gusting in excess of 60 MPH, impacted the mountains of San
Luis Obispo county. Some peak gusts from the local mesonet: Mount Lowe (gust 74 MPH) and Friis Camp (gust 61 MPH).

High Wind in ANTELOPE VALLEY, CALIFORNIA
From 09-JAN-23 14:30:00 to 09-JAN-23 21:00:00 (PST-8)
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Strong southerly winds, gusting in excess of 60 MPH, impacted the Antelope Valley in Los Angeles county. Some peak gusts from the local mesonet: Fort Tejon (gust 65 MPH), Juniper Mesa Road (gust 62 MPH) and Godde Pass (gust 62 MPH).

Flash Flood in VENTURA, CALIFORNIA
From 09-JAN-23 13:00:00 to 09-JAN-23 15:00:00 (PST-8)
Location: CASITAS SPGS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rainfall produced flash flooding on Highway 33 near Casitas Springs.

Flash Flood in SANTA BARBARA, CALIFORNIA
From 09-JAN-23 11:11:00 to 09-JAN-23 13:00:00 (PST-8)
Location: GUADALUPE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rainfall produced flash flooding on Highway 1 near the Quintana Road.

Flash Flood in LOS ANGELES, CALIFORNIA
From 09-JAN-23 15:49:00 to 09-JAN-23 17:30:00 (PST-8)
Location: ELIZABETH LAKE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rainfall produced flash flooding and mudslides on San Franciquito Canyon Road near Spunky Canyon Road.

Flash Flood in VENTURA, CALIFORNIA
From 09-JAN-23 16:53:00 to 09-JAN-23 18:00:00 (PST-8)
Location: HAINES
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rain produced flash flooding which closed Highway 150 north of Santa Paula.

Flash Flood in LOS ANGELES, CALIFORNIA
From 09-JAN-23 19:56:00 to 09-JAN-23 20:30:00 (PST-8)
Location: VAL VERDE PARK
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rainfall produced flash flooding across Halsey Canyon Road. Two to three feet of fast-moving water trapped passengers in an SUV. Los Angeles County Fire Department Swift Water Rescue Team has to save the occupants of the vehicle.

Flash Flood in SANTA BARBARA, CALIFORNIA
From 09-JAN-23 14:28:00 to 09-JAN-23 15:30:00 (PST-8)
Location: SANTA BARBARA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rainfall produced flash flooding on Highway 101 near Bath Street. Several vehicles were stuck in the flood waters.

Flash Flood in SAN LUIS OBISPO, CALIFORNIA
From 09-JAN-23 19:52:00 to 09-JAN-23 21:00:00 (PST-8)
Location: NIPOMO
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rainfall produced a mudslide across the intersection of Huasna Road and Huasna Townsite Road.

High Wind in SAN LUIS OBISPO COUNTY BEACHES, CALIFORNIA
From 09-JAN-23 06:40:00 to 09-JAN-23 10:00:00 (PDT-7)
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Strong southerly winds, gusting in excess of 60 MPH, impacted the beaches of San Luis Obispo county. Some peak gusts from the local mesonet include: Cayucos Road (gust 64 MPH) and Hillcrest Drive (gust 64 MPH).

High Wind in SAN LUIS OBISPO COUNTY INTERIOR VALLEYS, CALIFORNIA
From 09-JAN-23 02:00:00 to 09-JAN-23 04:50:00 (PDT-7)
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Strong southerly winds, gusting in excess of 60 MPH, impacted the interior valleys of San Luis Obispo county. Some peak gusts from the local mesonet include: Navajo Flats (gust 61 MPH) and Lewis Ranch Road (gust 62 MPH).

Flash Flood in SANTA BARBARA, CALIFORNIA
From 09-JAN-23 13:32:00 to 09-JAN-23 15:00:00 (PST-8)
Location: GOLETA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rainfall produced flash flooding along Highway 46 near Painted Cave Road. The flash flooding resulted in a mudslide across the roadway.

Flash Flood in VENTURA, CALIFORNIA
From 09-JAN-23 19:14:00 to 09-JAN-23 21:00:00 (PST-8)
Location: VENTURA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

The Santa Clara River breached the bridge, flooding both directions and broke the center divide.

Flash Flood in VENTURA, CALIFORNIA
From 09-JAN-23 17:54:00 to 09-JAN-23 19:00:00 (PST-8)
Location: BARDSDALE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rainfall produced flash flooding across Grimes Canyon Road. One vehicle was stuck in rising flood waters.

Flash Flood in SANTA BARBARA, CALIFORNIA
From 09-JAN-23 11:31:00 to 09-JAN-23 14:00:00 (PST-8)
Location: GAREY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rainfall produced flash flooding along Orcutt Garey Road near Dominion Road.

Flash Flood in SANTA BARBARA, CALIFORNIA
From 09-JAN-23 15:41:00 to 09-JAN-23 17:15:00 (PST-8)
Location: (VBG)VANDENBERG AFB
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rainfall produced flash flooding and mudslides on San Antonio Road near Highway 1.

Flash Flood in SANTA BARBARA, CALIFORNIA
From 09-JAN-23 11:31:00 to 09-JAN-23 13:00:00 (PST-8)
Location: LOS ALAMOS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rainfall produced flash flooding along Highway 135 at the intersection of Batchelder Road.

Flash Flood in SAN LUIS OBISPO, CALIFORNIA
From 09-JAN-23 12:30:00 to 09-JAN-23 12:40:00 (PST-8)
Location: AVILA BEACH
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

A 60 year old woman was swept away in her SUV by raging flood waters along Avila Beach Road.

Flash Flood in SAN LUIS OBISPO, CALIFORNIA
From 09-JAN-23 07:50:00 to 09-JAN-23 08:00:00 (PST-8)
Location: WELLSONA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A woman and her 5 year old child were swept down a flooded roadway near San Marcos Creek. The woman survived, but her 5 year old child died.

Flash Flood in SAN LUIS OBISPO, CALIFORNIA
From 09-JAN-23 16:52:00 to 09-JAN-23 18:00:00 (PST-8)
Location: (SBP)SAN LUIS OBISPO
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rain produced flash flooding, south of the city of San Luis Obispo. Law enforcement reported a vehicle stuck in the mud.