San Mateo storm history

At 7:47 a.m. PDT the California Highway Patrol responded to a three car collision on Highway 1 at Devil's Slide. Heavy rain and strong winds were a contributing factor of the crash. A 74-year-old woman lost her life in the accident.

Swimmer was overcome by heavy surf and drowned.

heavy rain contributed to auto accident

rain slick roads caused several auto accidents

The roof of a Home Depot collapsed due to the accumulation of heavy rain flooding the interior of the stor with 6 inches of rain and exposing the interior to continuing rain.

An Ambient Weather station reported a gust of 60.6 mph.

San Francisco International Airport reported a peak wind gust of 73 mph at 2:56 AM. Wind gusts above 58 mph were noted between 2:40 and 2:59 AM.

Broadcast media reported that a tree fell in the El Granada area, which led to additional power lines and trees coming down. 4 vehicles were damaged. Additionally, a tree fell on an apartment complex causing exterior damage. Location estimated. Time estimated based on radar and s…

Vehicles were stuck in floodwaters on the onramp from Hickey Boulevard to southbound Interstate 280.

Flooding was reported in the slow lane of northbound Interstate 280 south of Hayne Road.

The PG&E station on North Peak Access Road reported a gust of 67 mph.

Half Moon Bay Airport reported a gust of 62 mph before the station lost power and stopped reporting.

Several inches of water were reported on southbound Interstate 280 at Woodside Road.

The gauge along Belmont Creek at the Harbor Boulevard and Old County Road intersection reported major flooding, up to a stage of 5.64 feet.

Roadway flooding was reported on northbound Interstate 280 at John Daly Boulevard.

Roadway flooding was reported on the offramp from northbound US Highway 101 to the Candlestick Point area.

Flooding was reported in the number 1, 2, and 3 lanes of southbound US Highway 101 at Holly Street, and in the number 1 and 2 lanes of northbound US Highway 101 between California Highway 92 and Ralston Street.

Flooding was reported on southbound US Highway 101 north of Millbrae.

Roadway flooding was reported at the offramp from southbound Interstate 280 at Eastmoore Boulevard. The offramp was completely flooded with 12 inches of water on the road.

The northbound and southbound lanes of California Highway 1 at Ponitas Bridge were flooded.

Three to six inches of water covered Interstate 280 near Sneath Lane.

A strong thunderstorm cell touched down just south of Ano Nuevo State Park at 4:23 PM. Video from a farm near the location showed damage to structures, sparking speculation of a possible tornado. Subsequently, an NWS team conducted a storm survey at the site. The team identified …

Four feet of standing water was reported on the offramp from southbound Interstate 280 to Westborough Boulevard.

All lanes of northbound Interstate 280 right before the San Bruno Avenue offramp were flooded.

A 83 mph gust was recorded at the San Francisco International Airport at 6:02 AM Saturday.

A CWOP site in Pacifica (AE6DC-5) reported a 97 mph gust at 6:20 AM Saturday.

Northbound US Highway 101 was flooded at the Willow Road offramp.

All three lanes of northbound State Highway 35 flooded south of the connector to State Highway 1.

San Francisco International Airport recorded a new daily record rainfall of 2.55 inches for November 22.

Approximate location. Pea-sized hail was reported on by various parties on social media.

Flooding on the offramp from northbound Interstate 280 to Bunker Hill Road.

A van went off the roadway near a large amount of flooding in lanes 3 and 4 of Interstate 280 at the Bunker Hill onramp.

Flooding was reported near the southbound Interstate 280/Westborough Boulevard offramp.

Three inch tree limbs were broken, and power lines were downed.

Street flooding was reported on California Highway 92 in Spanishtown near Half Moon Bay. One way traffic controls were in effect as firefighters dealt with the flooding.

The ASOS weather station at the San Francisco International Airport reported a gust of 60 mph.

A roof was blown off an apartment building in South San Francisco.

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

Redwood City with 4.47. 12/31/2022 was the 3rd wettest in a record that goes back to 1906. The daily rainfall made up 42.8% of December 2022's rainfall. The wettest day on record at Redwood City was back on 10/13/1962 with 4.88 inches.

CHP reported flash flooding of US Highway 101 at Oyster Point Road in South San Francisco at 5:58 AM. By 10:58 AM, the entire roadway had flooded and the highway was closed. The flooding caused traffic backups and diversions with Interstate 280 as the alternate. The northbound la…

Heavy rain caused flooding on US101 at S Airport Blvd.

Roadway flooding caused hard closure of SR 92 between SR 35 AND SR1.

Roadway flooding near I-280 N and Serramonte Blvd.

Mesonet station on Lake Drive reported.

Lightning struck a redwood tree in Redwood City https://sanfrancisco.cbslocal.com/2020/08/16/lightning-from-rare-bay-area-thunderstorm-leaves-damage-in-its-wake/.

Roadway flooding on I-280 N and SR-92 connector. Water caused 1 vehicle to slide but were able to correct and continue.

Foot and a half of water on off ramp of I-280 S and Eastmoor Ave, vehicle stuck in water.