The second in a series of three storms between January 18-23. Storm two occurred January 19-20. Heavy rain, strong winds, and small hail were observed with this frontal system as well as lightning strikes in San Francisco.

Flood in SANTA CRUZ, CALIFORNIA
From 20-JAN-17 05:47:00 to 20-JAN-17 07:47:00 (PST-8)
Location: SANTA CRUZ
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Flooding along SR hwy 17 8 to 10 inches on the road.

Flood in SANTA CLARA, CALIFORNIA
From 20-JAN-17 06:03:00 to 20-JAN-17 08:03:00 (PST-8)
Location: SAN JOSE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Roadway flooding along hwy 280.

Hail in SAN FRANCISCO, CALIFORNIA
From 20-JAN-17 04:36:00 to 20-JAN-17 04:46:00 (PST-8)
Location: SAN FRANCISCO
Magnitude: 0.25 
Property damage: 0.01K
Crop damage: 0.01K
Reported by: Public

High Wind in NORTHERN MONTEREY BAY, CALIFORNIA
From 20-JAN-17 06:05:00 to 20-JAN-17 06:10:00 (PST-8)
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Downed tree caused fatal car accident at Skyline Drive and Wyndemere Way in Monterey. One fatality.

Hail in SANTA CLARA, CALIFORNIA
From 20-JAN-17 13:50:00 to 20-JAN-17 14:00:00 (PST-8)
Location: LOS GATOS
Magnitude: 0.25 
Property damage: 0.01K
Crop damage: 0.01K
Reported by: Public

Hail in MONTEREY, CALIFORNIA
From 20-JAN-17 14:25:00 to 20-JAN-17 14:35:00 (PST-8)
Location: MARINA
Magnitude: 0.25 
Property damage: 0.01K
Crop damage: 0.01K
Reported by: NWS Employee

Hail in MONTEREY, CALIFORNIA
From 20-JAN-17 15:00:00 to 20-JAN-17 15:20:00 (PST-8)
Location: SALINAS
Magnitude: 0.25 
Property damage: 0.01K
Crop damage: 0.01K
Reported by: COOP Observer

Hail covered ground.

Hail in MONTEREY, CALIFORNIA
From 20-JAN-17 18:30:00 to 20-JAN-17 18:40:00 (PST-8)
Location: SALINAS
Magnitude: 0.25 
Property damage: 0.01K
Crop damage: 0.01K
Reported by: NWS Employee

Time and location is approximate.

Hail in MONTEREY, CALIFORNIA
From 20-JAN-17 19:49:00 to 20-JAN-17 19:59:00 (PST-8)
Location: BOLSA KNOLLS
Magnitude: 0.25 
Property damage: 0.01K
Crop damage: 0.01K
Reported by: Public

Picture shared via twitter from media.

Lightning in SAN FRANCISCO, CALIFORNIA
From 20-JAN-17 05:56:00 to 20-JAN-17 06:00:00 (PST-8)
Location: SAN FRANCISCO
Property damage: 0.01K
Crop damage: 0.01K
Reported by: Public

Video of Sutro tower being struck by lightning shared on social media.

Lightning in SAN FRANCISCO, CALIFORNIA
From 20-JAN-17 04:35:00 to 20-JAN-17 04:40:00 (PST-8)
Location: CRISSY AAF
Property damage: 0.01K
Crop damage: 0.01K
Reported by: Public

Photos of lightning striking the Transamerica Pyramid building shared on social media.

Hail in SANTA CLARA, CALIFORNIA
From 19-JAN-17 10:15:00 to 19-JAN-17 10:25:00 (PST-8)
Location: LOS GATOS
Magnitude: 0.25 
Property damage: 5000.00K
Reported by: Public

Damage dollar amounts is a low estimate. Impacts are not fully known, but any individual car crash would likely exceed this amount.

Hail in SANTA CRUZ, CALIFORNIA
From 19-JAN-17 10:47:00 to 19-JAN-17 10:57:00 (PST-8)
Location: SANTA CRUZ
Magnitude: 0.25 
Property damage: 5000.00K
Reported by: Trained Spotter

Damage dollar amounts is a low estimate. Impacts are not fully known, but any individual car crash would likely exceed this amount.

Hail in SANTA CLARA, CALIFORNIA
From 19-JAN-17 10:59:00 to 19-JAN-17 11:09:00 (PST-8)
Location: AGNEW
Magnitude: 0.25 
Property damage: 5000.00K
Reported by: Trained Spotter

Damage dollar amounts is a low estimate. Impacts are not fully known, but any individual car crash would likely exceed this amount.

Hail in ALAMEDA, CALIFORNIA
From 19-JAN-17 11:00:00 to 19-JAN-17 11:10:00 (PST-8)
Location: OAKLAND
Magnitude: 0.25 
Property damage: 5000.00K
Reported by: Public

Damage dollar amounts is a low estimate. Impacts are not fully known, but any individual car crash would likely exceed this amount.