A late season atmospheric river impacted northwest California during late March. Localized flooding, rock slides, and high elevation snowfall were observed.

Winter Weather in SOUTHWESTERN HUMBOLDT, CALIFORNIA
From 23-MAR-18 22:00:00 to 24-MAR-18 16:30:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Public report of 3 inches of snow at an elevation of 1650 feet.

Heavy Rain in TRINITY, CALIFORNIA
From 22-MAR-18 06:43:00 to 22-MAR-18 06:43:00 (PST-8)
Location: DEL LOMA
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rain led to mud/dirt/rock slide at Big French Creek Road.

Heavy Rain in HUMBOLDT, CALIFORNIA
From 22-MAR-18 07:52:00 to 22-MAR-18 07:52:00 (PST-8)
Location: BLUE LAKE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Mud/Rock slide blocked one lane of traffic in Blue Lake.

Flood in DEL NORTE, CALIFORNIA
From 22-MAR-18 06:43:00 to 22-MAR-18 06:43:00 (PST-8)
Location: FT DICK
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Roadway flooding at the intersection of Lower Lake Road and Moseley Road.

Heavy Rain in MENDOCINO, CALIFORNIA
From 22-MAR-18 08:00:00 to 22-MAR-18 15:30:00 (PST-8)
Location: NASHMEAD
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Six hour rain total of 2.4 inches.

Winter Weather in SOUTHERN HUMBOLDT INTERIOR, CALIFORNIA
From 23-MAR-18 03:00:00 to 23-MAR-18 08:10:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

One inch of snow at an elevation of 2800 feet.

Winter Weather in NORTHWESTERN MENDOCINO INTERIOR, CALIFORNIA
From 23-MAR-18 22:00:00 to 24-MAR-18 11:08:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Three inches of snow at an elevation of 3700 feet.

Heavy Snow in SOUTHERN HUMBOLDT INTERIOR, CALIFORNIA
From 24-MAR-18 22:00:00 to 25-MAR-18 08:08:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter report of 7 inches of snow at an elevation of 2800 feet.

Winter Weather in SOUTHERN TRINITY, CALIFORNIA
From 24-MAR-18 22:00:00 to 25-MAR-18 08:30:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Four inches of snow.

Heavy Snow in SOUTHERN TRINITY, CALIFORNIA
From 24-MAR-18 07:00:00 to 25-MAR-18 07:45:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snow total of 7.1 inches at an elevation of 2532 feet.

Winter Weather in SOUTHERN TRINITY, CALIFORNIA
From 24-MAR-18 07:00:00 to 25-MAR-18 07:45:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snow total of 6.5 inches.

Winter Weather in NORTHWESTERN MENDOCINO INTERIOR, CALIFORNIA
From 24-MAR-18 07:00:00 to 25-MAR-18 07:45:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snow total of 0.8 inch at an elevation of 1647 feet.

Winter Weather in SOUTHERN HUMBOLDT INTERIOR, CALIFORNIA
From 24-MAR-18 07:00:00 to 25-MAR-18 07:45:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snow total of 3 inches at an elevation of 2008 feet.

Heavy Snow in SOUTHERN HUMBOLDT INTERIOR, CALIFORNIA
From 24-MAR-18 22:00:00 to 25-MAR-18 09:52:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Public report of 10 inches of snow at an elevation of 3200 feet.

Heavy Snow in SOUTHERN HUMBOLDT INTERIOR, CALIFORNIA
From 24-MAR-18 22:00:00 to 25-MAR-18 09:55:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Public report of 9 inches of snow at an elevation of 2500 feet.