An offshore wind event impacted the region from February 8th through the 9th when an upper trough moved through the Great Basin. Widespread wind gusts of 45 to 60 mph were observed with gusts of 87 mph recorded on Mt St. Helena. Trees and power lines were knocked down causing scattered power outages and property damage. Around 80,000 customers were without power across the Bay Area according to PG&E.

Strong Wind in SAN FRANCISCO PENINSULA COAST, CALIFORNIA
From 09-FEB-20 10:18:00 to 09-FEB-20 14:18:00 (PST-8)
Magnitude: 40.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: RAWS

Spring Valley RAWS measured gusts over 45 mph with a peak gust of 53 mph.

Strong Wind in EAST BAY INTERIOR VALLEYS, CALIFORNIA
From 09-FEB-20 10:10:00 to 09-FEB-20 11:55:00 (PST-8)
Magnitude: 41.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Livermore Airport recorded wind gusts of 47 mph with a peak gust of 53 mph.

Strong Wind in EAST BAY INTERIOR VALLEYS, CALIFORNIA
From 09-FEB-20 08:53:00 to 09-FEB-20 12:53:00 (PST-8)
Magnitude: 40.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Concord airport ASOS reported gusts.

Strong Wind in SAN FRANCISCO, CALIFORNIA
From 09-FEB-20 06:05:00 to 09-FEB-20 14:20:00 (PST-8)
Magnitude: 39.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet site in San Francisco measured wind gusts between 45 and 50 mph.

Strong Wind in SAN FRANCISCO BAY SHORELINE, CALIFORNIA
From 09-FEB-20 09:53:00 to 09-FEB-20 14:30:00 (PST-8)
Magnitude: 39.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Oakland Airport ASOS recorded wind gusts between 45 and 50 mph with a peak gust of 59 mph.

Strong Wind in NORTHERN MONTEREY BAY, CALIFORNIA
From 09-FEB-20 11:20:00 to 09-FEB-20 14:30:00 (PST-8)
Magnitude: 40.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet station near Santa Cruz recorded gusts between 45 and 50 mph.

Strong Wind in SANTA CLARA VALLEY INCLUDING SAN JOSE, CALIFORNIA
From 09-FEB-20 11:10:00 to 09-FEB-20 15:40:00 (PST-8)
Magnitude: 39.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet station at San Jose State University recorded gusts between 45 and 50 mph with a peak gust of 53 mph.

Strong Wind in EAST BAY INTERIOR VALLEYS, CALIFORNIA
From 09-FEB-20 10:35:00 to 09-FEB-20 10:40:00 (PST-8)
Magnitude: 39.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter reported wind gusts of 45 mph.

Strong Wind in SANTA CLARA VALLEY INCLUDING SAN JOSE, CALIFORNIA
From 09-FEB-20 11:45:00 to 09-FEB-20 12:00:00 (PST-8)
Magnitude: 30.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Power line down across entire roadway of Wainwright Ave, east of I-880.

Strong Wind in SAN FRANCISCO, CALIFORNIA
From 09-FEB-20 11:58:00 to 09-FEB-20 12:03:00 (PST-8)
Magnitude: 35.00 MG
Property damage: 0.20K
Crop damage: 0.00K
Reported by: Broadcast Media

A window blew out on the 41st floor of Millenium Tower in San Francisco.

Strong Wind in NORTHERN MONTEREY BAY, CALIFORNIA
From 09-FEB-20 12:00:00 to 09-FEB-20 12:05:00 (PST-8)
Magnitude: 39.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Media reported 45 mph gusts in Santa Cruz.

Strong Wind in SAN FRANCISCO BAY SHORELINE, CALIFORNIA
From 09-FEB-20 14:52:00 to 09-FEB-20 14:57:00 (PST-8)
Magnitude: 29.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Wires reported down in the lanes of Sydney Way and Carlton Ave north of Hayward.

Strong Wind in SAN FRANCISCO BAY SHORELINE, CALIFORNIA
From 09-FEB-20 15:50:00 to 09-FEB-20 16:00:00 (PST-8)
Magnitude: 27.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Alameda County Fire reporting on twitter they responded to wires down at Redwood Rd and Heyer Ave and found approximately 15 large eucalyptus trees that collapsed onto the road.

Strong Wind in NORTHERN MONTEREY BAY, CALIFORNIA
From 09-FEB-20 13:30:00 to 09-FEB-20 15:30:00 (PST-8)
Magnitude: 35.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Gusty winds across Santa Cruz County left thousands without power as winds brought down trees and power lines https://www.ksbw.com/article/wind-gusts-on-central-coast-cause-power-outages-downed-lines-sunday/30834590.

Strong Wind in SANTA CRUZ MOUNTAINS, CALIFORNIA
From 09-FEB-20 13:30:00 to 09-FEB-20 15:30:00 (PST-8)
Magnitude: 35.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Gusty winds across Santa Cruz County left thousands without power as winds brought down trees and power lines https://www.ksbw.com/article/wind-gusts-on-central-coast-cause-power-outages-downed-lines-sunday/30834590.

Strong Wind in NORTHERN MONTEREY BAY, CALIFORNIA
From 09-FEB-20 15:00:00 to 09-FEB-20 16:00:00 (PST-8)
Magnitude: 35.00 EG
Property damage: 40.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Winds knocked down a large tree into a families yard destroying three cars https://www.ksbw.com/article/strong-winds-knocked-over-a-cypress-tree-into-a-family-s-front-yard/30842132. Exact timing unknown.

Strong Wind in SAN FRANCISCO BAY SHORELINE, CALIFORNIA
From 09-FEB-20 12:00:00 to 09-FEB-20 15:00:00 (PST-8)
Magnitude: 35.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Twelve homes and 30 residents were evacuated on Heyer Ave in Castro Valley as trees fell due to strong winds. One tree landed on a car and trapped the driver inside https://abc7news.com/5916940/. Exact timing unknown.

Strong Wind in SAN FRANCISCO BAY SHORELINE, CALIFORNIA
From 09-FEB-20 11:45:00 to 09-FEB-20 12:00:00 (PST-8)
Magnitude: 35.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Multiple trees down in Oakland Hills along with power lines https://abc7news.com/weather/epic-winds-cause-fallen-trees-power-lines-in-bay-area-/5915604/.

Strong Wind in SAN FRANCISCO BAY SHORELINE, CALIFORNIA
From 09-FEB-20 10:00:00 to 09-FEB-20 17:00:00 (PST-8)
Magnitude: 35.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

The Oakland Zoo, Children's Fairlyand, and several East Bay parks closed due to strong winds https://abc7news.com/weather/epic-winds-cause-fallen-trees-power-lines-in-bay-area-/5915604/.

Strong Wind in SAN FRANCISCO, CALIFORNIA
From 09-FEB-20 10:00:00 to 09-FEB-20 17:00:00 (PST-8)
Magnitude: 35.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Strong winds and rough seas caused cancellation of Alcatraz Cruises and all Golden Gate Transit ferry services https://abc7news.com/weather/epic-winds-cause-fallen-trees-power-lines-in-bay-area-/5915604/.

Strong Wind in SAN FRANCISCO BAY SHORELINE, CALIFORNIA
From 09-FEB-20 13:30:00 to 09-FEB-20 14:00:00 (PST-8)
Magnitude: 35.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Winds brought down a tree on Skyline Blvd in Oakland onto a house, but no one was injured https://sanfrancisco.cbslocal.com/2020/02/09/gale-force-winds-feb9-bay-area/.

Strong Wind in NORTH BAY INTERIOR VALLEYS, CALIFORNIA
From 09-FEB-20 13:00:00 to 09-FEB-20 14:00:00 (PST-8)
Magnitude: 35.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A large oak tree crashed into a home and crushed two vans as well as damaged two additional cars on Riverside Dr. in Sonoma Valley. No one was injured. Exact timing unknown https://sanfrancisco.cbslocal.com/2020/02/09/gale-force-winds-feb9-bay-area/.

Strong Wind in NORTH BAY MOUNTAINS, CALIFORNIA
From 10-FEB-20 14:56:00 to 10-FEB-20 21:56:00 (PST-8)
Magnitude: 40.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: RAWS

Hawkeye RAWS station measured gusts.

Strong Wind in NORTH BAY MOUNTAINS, CALIFORNIA
From 09-FEB-20 04:56:00 to 09-FEB-20 07:56:00 (PST-8)
Magnitude: 49.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: RAWS

Hawkeye RAWS station measured gusts between 49 and 56 mph.

Strong Wind in EAST BAY HILLS AND THE DIABLO RANGE, CALIFORNIA
From 09-FEB-20 09:00:00 to 09-FEB-20 16:00:00 (PST-8)
Magnitude: 40.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet station (PG&E) on Grizzly Peak Blvd recorded wind gusts up to 59 mph.

Strong Wind in EAST BAY HILLS AND THE DIABLO RANGE, CALIFORNIA
From 09-FEB-20 09:33:00 to 09-FEB-20 16:33:00 (PST-8)
Magnitude: 43.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: RAWS

Oakland North RAWS station reported wind gusts between 50 and 60 mph with a peak gust of 62 mph.

Strong Wind in COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE, CALIFORNIA
From 09-FEB-20 07:00:00 to 09-FEB-20 15:50:00 (PST-8)
Magnitude: 43.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet station (PG&E) on Wolf Back Ridge measured gusts over 45 mph with a peak gust of 59 mph.

Strong Wind in SANTA CRUZ MOUNTAINS, CALIFORNIA
From 09-FEB-20 10:00:00 to 09-FEB-20 15:30:00 (PST-8)
Magnitude: 40.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet station (PG&E) at Lexington Reservoir recorded gusts over 45 mph.