On January 4th to the 5th, a strong atmospheric river combined with a bomb cyclone led to widespread heavy rain, damaging wind gusts, and high surf across the Bay Area and Central Coast.

High Surf in NORTHERN MONTEREY BAY, CALIFORNIA
From 05-JAN-23 10:44:00 to 05-JAN-23 10:44:00 (PST-8)
Reported by: Broadcast Media

The Capitola Wharf at the Capitola State Beach broke in half, with a section of the wharf collapsing into the ocean.

Strong Wind in NORTH BAY INTERIOR VALLEYS, CALIFORNIA
From 04-JAN-23 17:15:00 to 04-JAN-23 17:30:00 (PST-8)
Magnitude: 22.00 EG
Reported by: Broadcast Media

A redwood tree fell onto a double wide mobile home on the 2800 block of Joy Road in Occidental, killing a 2-year old boy when the tree pinned him down on the couch in the home's living room. Rescue crews were called around 5:15 PM, and performed CPR on the boy, but the boy died at the scene.

Flood in MARIN, CALIFORNIA
From 04-JAN-23 11:20:00 to 04-JAN-23 12:20:00 (PST-8)
Location: ALTO
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

The underpass of California Highway 1 under US Highway 101 in Manzanita flooded.

Flood in ALAMEDA, CALIFORNIA
From 05-JAN-23 10:12:00 to 05-JAN-23 11:12:00 (PST-8)
Location: PIEDMONT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Flooding was reported on all lanes of Eastbound Interstate 580 near the Lakeshore Avenue exit in Oakland.

High Surf in SOUTHERN MONTEREY BAY AND BIG SUR COAST, CALIFORNIA
From 05-JAN-23 11:26:00 to 05-JAN-23 12:26:00 (PST-8)
Reported by: Fire Department/Rescue

Large waves took down the back of a house in Carmel Highlands.

Strong Wind in EASTERN SANTA CLARA HILLS, CALIFORNIA
From 04-JAN-23 21:36:00 to 04-JAN-23 22:36:00 (PST-8)
Magnitude: 35.00 EG
Reported by: Law Enforcement

The eastbound lanes of California Highway 152 in the Pacheco Pass were blocked due to a downed tree.

Strong Wind in SAN FRANCISCO BAY SHORELINE, CALIFORNIA
From 05-JAN-23 04:39:00 to 05-JAN-23 15:00:00 (PST-8)
Magnitude: 17.00 ES
Reported by: Local Official

Caltrain commuter rail reported that a tree fell on the overhead wires at its station in Burlingame, affecting Caltrain service in the area. The tree was not removed until 3 PM.

Debris Flow in SAN MATEO, CALIFORNIA
From 05-JAN-23 02:55:00 to 05-JAN-23 03:55:00 (PST-8)
Location: NORTH FAIR OAKS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A mud slide blocked the entire westbound lane of California Highway 92 west of Pilarcitos Creek Road near Half Moon Bay.

Flood in SANTA CLARA, CALIFORNIA
From 05-JAN-23 11:33:00 to 05-JAN-23 12:33:00 (PST-8)
Location: BURBANK
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

The right hand side, and part of the number 2 (right) lane of the connector between Southbound Interstate 880 and Northbound Interstate 280 in western San Jose, was flooded.

Strong Wind in SAN FRANCISCO BAY SHORELINE, CALIFORNIA
From 05-JAN-23 05:40:00 to 05-JAN-23 06:40:00 (PST-8)
Magnitude: 15.00 EG
Property damage: 0.01K
Crop damage: 0.00K
Reported by: Broadcast Media

An eucalyptus tree fell onto an apartment building on Lynde Street in Oakland, forcing the evacuation of five families. The building was later red tagged.