Steep pressure gradients accompany active winter weather with non thunderstorm related peak winds and wind gusts, causing damage and road closures as well as accumulation of precipitation.

High Wind in NORTHERN HUMBOLDT COAST, CALIFORNIA
From 05-MAR-23 06:30:00 to 05-MAR-23 06:30:00 (PST-8)
Magnitude: 36.00 EG
Property damage: 1000.00K
Crop damage: 0.00K
Reported by: Department of Highways

A fallen tree has halted traffic across hwy 101, 1 mile NE of Orick (41.29N, 124.06W).

Winter Weather in NORTHERN HUMBOLDT COAST, CALIFORNIA
From 05-MAR-23 06:10:00 to 05-MAR-23 06:10:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Utility Company

A measured wind gust of 52mph on Bear River Ridge near Capetown, (40.48N, 124.26W).

Winter Weather in NORTHERN LAKE COUNTY, CALIFORNIA
From 05-MAR-23 00:10:00 to 05-MAR-23 00:10:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

An unknown amount (U4.0 inches) of snow has accumulated during heavy snowfall and caused road closure at hwy 175, about 5 miles southwest of Lakeport (38.99N, 122.98W).

Winter Weather in NORTHERN TRINITY, CALIFORNIA
From 05-MAR-23 07:28:00 to 05-MAR-23 07:28:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

At an elevation of 1257 feet, a trained spotter measured 5.5 inches. Four inches of that accumulation happened overnight, 2 miles north west of Big Bar (40.75N, 123.27W).

Winter Weather in SOUTHERN HUMBOLDT INTERIOR, CALIFORNIA
From 05-MAR-23 08:43:00 to 05-MAR-23 08:43:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter measured 12.5 inches of snow at an elevation of 2625, 4 miles WSW of Dinsmore (40.47N, 123.67W).

Winter Weather in COASTAL DEL NORTE, CALIFORNIA
From 05-MAR-23 08:47:00 to 05-MAR-23 08:47:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

At an elevation of 54 feet, a trained spotter estimated 0.25 diameter hail that did not accumulate. One mile WNW of Crescent City (41.76N, 124.22W).

Winter Weather in NORTHERN TRINITY, CALIFORNIA
From 05-MAR-23 09:25:00 to 05-MAR-23 09:25:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter measure 2 inches of accumulation about 3 miles WSW of Lewiston at an elevation of 1808 feet.

Heavy Snow in SOUTHERN TRINITY, CALIFORNIA
From 04-MAR-23 06:00:00 to 05-MAR-23 06:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A station at an elevation of 3099 feet approximately 2 miles WNW of Ruth, measured a total of 30 inches of snow accumulated over a 24 hour period (40.29N, 123.44W).

Winter Weather in MENDOCINO COAST, CALIFORNIA
From 05-MAR-23 11:41:00 to 05-MAR-23 11:41:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Small hail with an estimated diameter of 0.25 inches reported by CoCoRaHS near Comptche at an elevation of 199 feet (39.21N, 123.77W).

Winter Weather in SOUTHERN TRINITY, CALIFORNIA
From 05-MAR-23 00:14:00 to 05-MAR-23 01:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Early morning snow accumulation, measured by a trained spotter at a depth of 4.0 inches, 2 miles NE of Hidden Valley (38.83N, 122.53W).

Winter Weather in SOUTHERN LAKE COUNTY, CALIFORNIA
From 05-MAR-23 21:30:00 to 06-MAR-23 06:30:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter at an elevation of 3186 feet, estimated 4 inches of snow near Hobergs (38.85N, 122.73W).

Winter Weather in NORTHWESTERN MENDOCINO INTERIOR, CALIFORNIA
From 06-MAR-23 09:19:00 to 06-MAR-23 09:19:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Snow estimated to be 6 inches in depth at an elevation of 1900 feet, 5 miles NW of Willits (39.46N, 123.41W).

Winter Weather in SOUTHERN HUMBOLDT INTERIOR, CALIFORNIA
From 06-MAR-23 04:00:00 to 06-MAR-23 06:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snow measuring 2 inches in depth by a trained spotter at an elevation of 2625 feet, 2 miles WSW of Dinsmore (40.47N, 123.67W).

Winter Weather in SOUTHERN TRINITY, CALIFORNIA
From 06-MAR-23 06:00:00 to 07-MAR-23 06:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

New accumulation of 8 inches estimated by a trained spotter at an elevation of 3099 feet, 2 miles WNW of Ruth (40.29N, 123.44W). Total is 40 inches over a few days.

Winter Weather in NORTHERN TRINITY, CALIFORNIA
From 07-MAR-23 19:00:00 to 07-MAR-23 23:30:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter estimated an accumulation of 8 inches of snow at an elevation of 2650 feet, 10  miles NE of Weaverville (40.86N, 122.80W).

Winter Weather in SOUTHERN HUMBOLDT INTERIOR, CALIFORNIA
From 08-MAR-23 07:30:00 to 08-MAR-23 07:30:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter measures 6 new inches of fresh snow overnight, 4 miles WNW of Dinsmore at an elevation of 2625 feet (40.47N, 123.67W).

Winter Weather in NORTHERN TRINITY, CALIFORNIA
From 04-MAR-23 23:06:00 to 05-MAR-23 08:30:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter measured 12 inches of accumulation 10 miles NE of Weaverville overnight, (40.86N, 122.80W). Elevation was 2650 feet.