A cold upper trough advanced southward from western Washington toward northwestern California during early February. The airmass was sufficiently cold for the occurrence of light snow at sea level.

Winter Weather in SOUTHERN HUMBOLDT INTERIOR, CALIFORNIA
From 04-FEB-19 00:00:00 to 04-FEB-19 08:15:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Five inches of snow. Elevation 2700 feet.

Winter Weather in NORTHWESTERN MENDOCINO INTERIOR, CALIFORNIA
From 04-FEB-19 00:00:00 to 04-FEB-19 08:24:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Estimated 4 to 5 inches of snow. Elevation 3750 feet.

Hail in HUMBOLDT, CALIFORNIA
From 04-FEB-19 08:35:00 to 04-FEB-19 08:35:00 (PST-8)
Location: ALLIANCE
Magnitude: 0.25 
Property damage: 12.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Eight vehicle accidents reported along Highway 101 near Arcata due to heavy hail shower. Damage estimate was made based on $1500 of damage for each fender bender.

Winter Storm in SOUTHERN HUMBOLDT INTERIOR, CALIFORNIA
From 04-FEB-19 00:00:00 to 04-FEB-19 09:32:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Public Facebook report of 6 inches of snow. Elevation 2500 feet.

Winter Weather in SOUTHERN HUMBOLDT INTERIOR, CALIFORNIA
From 04-FEB-19 04:00:00 to 04-FEB-19 09:31:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Social media post of at least 1 inch of snow.  Elevation 2500 feet.

Winter Weather in SOUTHERN HUMBOLDT INTERIOR, CALIFORNIA
From 04-FEB-19 06:00:00 to 04-FEB-19 10:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Report of 3.5 inches at an elevation of 2600 feet.

Winter Storm in SOUTHERN HUMBOLDT INTERIOR, CALIFORNIA
From 04-FEB-19 06:00:00 to 04-FEB-19 10:11:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Social media report of 6.5 inches from Buck Mountain, elevation 2500 feet.

Winter Weather in SOUTHERN TRINITY, CALIFORNIA
From 04-FEB-19 03:00:00 to 04-FEB-19 10:40:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Four inches of snow reported at 3100 feet.

Winter Storm in NORTHERN HUMBOLDT INTERIOR, CALIFORNIA
From 04-FEB-19 00:00:00 to 04-FEB-19 11:04:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Social media report from wiregrass ridge of 12 inches of snow at an elevation of 3000 feet.

Winter Weather in SOUTHEASTERN MENDOCINO INTERIOR, CALIFORNIA
From 04-FEB-19 06:00:00 to 04-FEB-19 11:24:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Half an inch of snow accumulated on Ridgewood Grade on highway 101 leading to a short roadway closure at an elevation of 1100 feet.

Hail in HUMBOLDT, CALIFORNIA
From 04-FEB-19 13:25:00 to 04-FEB-19 13:35:00 (PST-8)
Location: FIELDS LNDG
Magnitude: 0.25 
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail covered roadways led to several vehicle accidents.

Winter Weather in SOUTHWESTERN HUMBOLDT, CALIFORNIA
From 04-FEB-19 13:00:00 to 04-FEB-19 14:31:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Social media report of 0.8 inches of snow on Bunker Hill elevation approximately 2000 feet.

Winter Storm in NORTHERN HUMBOLDT INTERIOR, CALIFORNIA
From 04-FEB-19 00:00:00 to 04-FEB-19 14:20:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Social media report and photo of 10 inches of snow on Horse Mountain, elevation approximately 4800 feet.

Winter Weather in SOUTHERN HUMBOLDT INTERIOR, CALIFORNIA
From 04-FEB-19 05:00:00 to 04-FEB-19 09:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Social media report showing around half an inch of snow on Fruitland Ridge, elevation 1200 feet.

Winter Storm in NORTHWESTERN MENDOCINO INTERIOR, CALIFORNIA
From 04-FEB-19 05:30:00 to 04-FEB-19 22:57:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Seven inches of snow reported at an elevation of 2000 feet.

Winter Weather in NORTHWESTERN MENDOCINO INTERIOR, CALIFORNIA
From 04-FEB-19 19:00:00 to 05-FEB-19 07:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Social media report from Brooktrails of 3.5 inches at an elevation of 2000 feet.

Winter Weather in NORTHWESTERN MENDOCINO INTERIOR, CALIFORNIA
From 04-FEB-19 07:00:00 to 04-FEB-19 23:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Social media report of 2 inches at an elevation of 1800 feet.

Winter Weather in SOUTHERN TRINITY, CALIFORNIA
From 04-FEB-19 20:00:00 to 05-FEB-19 08:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Six inches of new snow at an elevation of 3099 feet.  Storm total snow of 9 inches.

Winter Weather in SOUTHWESTERN HUMBOLDT, CALIFORNIA
From 04-FEB-19 08:00:00 to 04-FEB-19 20:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

One and a half inches of snow at an elevation of 1395 feet.

Winter Weather in SOUTHEASTERN MENDOCINO INTERIOR, CALIFORNIA
From 04-FEB-19 21:00:00 to 05-FEB-19 07:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Report of 0.6 inches at an elevation of 912 feet.

Winter Weather in NORTHEASTERN MENDOCINO INTERIOR, CALIFORNIA
From 04-FEB-19 21:00:00 to 05-FEB-19 07:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Report of 1.7 inches from an elevation of 1647 feet.

Winter Weather in NORTHWESTERN MENDOCINO INTERIOR, CALIFORNIA
From 04-FEB-19 21:00:00 to 05-FEB-19 07:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Four inches of snow at an elevation of 2078 feet.

Winter Weather in SOUTHERN TRINITY, CALIFORNIA
From 04-FEB-19 07:00:00 to 05-FEB-19 07:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Four inches at an elevation of 2762 feet.

Winter Weather in SOUTHERN TRINITY, CALIFORNIA
From 04-FEB-19 07:00:00 to 05-FEB-19 07:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Report of 3.8 inches at an elevation of 2532 feet.

Winter Weather in SOUTHERN HUMBOLDT INTERIOR, CALIFORNIA
From 04-FEB-19 05:00:00 to 05-FEB-19 09:15:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Storm total snowfall of 7.0 inches at an elevation of 2625 feet.

Hail in HUMBOLDT, CALIFORNIA
From 04-FEB-19 14:43:00 to 04-FEB-19 14:53:00 (PST-8)
Location: ORICK
Magnitude: 0.25 
Property damage: 1.50K
Crop damage: 0.00K
Reported by: Law Enforcement

Report of an accident due to a hail covered roadway. Troopers requested a plow to clear the roadway.

Hail in HUMBOLDT, CALIFORNIA
From 04-FEB-19 10:35:00 to 04-FEB-19 10:35:00 (PST-8)
Location: NORTH SAMOA
Magnitude: 0.25 
Crop damage: 0.00K
Reported by: Law Enforcement

Single vehicle accident due to a hail covered roadway.