An upper level system passed through California in late March. This system had a particularly cold air mass and low freezing levels making it easy for numerous convective cells to produce small hail across the region.

Hail in SANTA CLARA, CALIFORNIA
From 25-MAR-20 10:55:00 to 25-MAR-20 11:00:00 (PST-8)
Location: LOS GATOS
Magnitude: 0.38 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter reported small hail in Los Gatos.

Hail in SANTA CLARA, CALIFORNIA
From 25-MAR-20 11:00:00 to 25-MAR-20 11:05:00 (PST-8)
Location: PALO ALTO
Magnitude: 0.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter reported small hail in south Palo Alto.

Hail in MARIN, CALIFORNIA
From 25-MAR-20 10:50:00 to 25-MAR-20 11:00:00 (PST-8)
Location: KENTFIELD
Magnitude: 0.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Pea-sized hail in Kentfield for about 10 minutes.

Hail in SANTA CLARA, CALIFORNIA
From 25-MAR-20 11:00:00 to 25-MAR-20 11:10:00 (PST-8)
Location: MOUNTAIN VIEW
Magnitude: 0.35 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Small hail reported in Mountain View.

Hail in SANTA CLARA, CALIFORNIA
From 25-MAR-20 11:15:00 to 25-MAR-20 11:25:00 (PST-8)
Location: MOUNTAIN VIEW
Magnitude: 0.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Video on twitter shows small hail falling in Mountain View.

Hail in SANTA CLARA, CALIFORNIA
From 25-MAR-20 11:41:00 to 25-MAR-20 11:51:00 (PST-8)
Location: GILROY
Magnitude: 0.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Report of pea-sized hail in Gilroy.

Hail in SONOMA, CALIFORNIA
From 25-MAR-20 12:17:00 to 25-MAR-20 12:27:00 (PST-8)
Location: CLOVERDALE
Magnitude: 0.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Quarter inch hail reported in Cloverdale.

Hail in SONOMA, CALIFORNIA
From 25-MAR-20 13:10:00 to 25-MAR-20 13:20:00 (PST-8)
Location: COTATI
Magnitude: 0.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Video on twitter shows small hail falling in Rohnert Park.

Hail in SONOMA, CALIFORNIA
From 25-MAR-20 13:15:00 to 25-MAR-20 13:25:00 (PST-8)
Location: PETALUMA
Magnitude: 0.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Video on social media showing small hail near Petaluma.

Hail in SANTA CLARA, CALIFORNIA
From 25-MAR-20 14:30:00 to 25-MAR-20 14:40:00 (PST-8)
Location: SUNNYVALE
Magnitude: 0.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Pea-sized hail reported in south Sunnyvale.

Hail in SANTA CLARA, CALIFORNIA
From 25-MAR-20 14:44:00 to 25-MAR-20 14:54:00 (PST-8)
Location: GILROY
Magnitude: 0.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Public called in to report pea-sized hail in Gilroy.

Hail in SONOMA, CALIFORNIA
From 25-MAR-20 14:58:00 to 25-MAR-20 15:08:00 (PST-8)
Location: HEALDSBURG
Magnitude: 0.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Pea-sized hail reported in Geyserville.

Hail in SANTA CLARA, CALIFORNIA
From 25-MAR-20 15:07:00 to 25-MAR-20 15:17:00 (PST-8)
Location: SANTA CLARA
Magnitude: 0.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Small hail reported in Santa Clara.

Hail in SANTA CRUZ, CALIFORNIA
From 26-MAR-20 16:05:00 to 26-MAR-20 16:10:00 (PST-8)
Location: CAPITOLA
Magnitude: 0.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter reported pea-sized hail near Pleasure Point.