Two significant waves of precipitation associated with an atmospheric river brought heavy rain and higher elevation (mainly above 6500 feet) snowfall to northeast California. Widespread rainfall totals between 5 and 8 inches were reported between the 6th and 10th, with rainfall and/or liquid equivalent amounts up to between 10 and 16 inches near the northern Sierra crest. The rainfall brought widespread flooding to the region with several northeast California rivers coming out of their banks.

Flood in LASSEN, CALIFORNIA
From 07-FEB-17 07:00:00 to 14-FEB-17 12:00:00 (PST-8)
Location: NUBIEBER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Major flooding from the Pit River affected much of Big Valley between the 7th and 14th. The Reno National Weather Service hydrologist toured the area for picture evidence.
NOTE: There was clearly damage to some homes and structures in the Bieber area as evidenced by pictures; however, no storm damage estimates were available to the Storm Data preparer.

Flood in LASSEN, CALIFORNIA
From 09-FEB-17 12:00:00 to 10-FEB-17 10:00:00 (PST-8)
Location: SUSANVILLE
Flood cause: Heavy Rain / Snow Melt
Property damage: 500.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Major flooding on the Susan River caused extensive damage in and to the east of Susanville from the afternoon of the 9th into the 10th. The flooding prompted the evacuation of a number of homes and apartment complexes in Susanville during the afternoon and evening of the 9th. The damage estimate for this event is rough and could be significantly in error.

Flood in SIERRA, CALIFORNIA
From 09-FEB-17 14:00:00 to 10-FEB-17 14:00:00 (PST-8)
Location: SATTLEY
Flood cause: Heavy Rain / Snow Melt
Property damage: 6.80M
Crop damage: 0.00K
Reported by: Law Enforcement

Flooding from creeks covered the intersection of Highways 49 and 89 in Sierraville on the afternoon of the 9th.  Shallow water was photographed up against buildings at the Sierraville Ranger Station on the morning of the 10th. A washout caused the closure of Highway 49 between Sattley and Yuba Pass. Damage estimates are only for repairs to Highways 49 and 89 based on a CALTRANS report.

Flood in EL DORADO, CALIFORNIA
From 08-FEB-17 08:00:00 to 11-FEB-17 21:00:00 (PST-8)
Location: MEYERS
Flood cause: Heavy Rain / Snow Melt
Property damage: 1.00M
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rain fell in areas with significant snow berms and blocked storm drains, resulting in substantial flooding to around 50 homes in the Meyers area. Some of the worst flood damage was seen on Nahane Dr and Wailaki St per a KCRA news article. The end time of the flooding is estimated. Damage estimates are also roughly estimated.

Flood in EL DORADO, CALIFORNIA
From 08-FEB-17 08:00:00 to 11-FEB-17 21:00:00 (PST-8)
Location: SOUTH LAKE TAHOE
Flood cause: Heavy Rain / Snow Melt
Property damage: 250.00K
Crop damage: 0.00K
Reported by: Newspaper

Heavy rain combined with snow berms and clogged storm drains to bring flooding to around 10 homes in South Lake Tahoe starting on the 8th. Bill and Shirley Avenues saw the most flooding damage per a KCRA news article. The damages are roughly estimated.

High Wind in LASSEN/EASTERN PLUMAS/EASTERN SIERRA, CALIFORNIA
From 09-FEB-17 09:00:00 to 09-FEB-17 13:00:00 (PST-8)
Magnitude: 40.00 MS
Crop damage: 0.00K
Reported by: Mesonet

High winds were noted along Highway 395 south of Janesville. Winds were sustained over 40 mph at the Doyle CALTRANS site, with gusts to 63 mph at the Doyle RAWS. A semi-truck was blown over near Hallelujah Junction.

Heavy Snow in GREATER LAKE TAHOE AREA, CALIFORNIA
From 09-FEB-17 08:00:00 to 10-FEB-17 16:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Between 2 and 4 feet of snow fell at ski areas on the 9th and 10th. Below 7000 feet, snow amounts fell off substantially as significant amounts of rain fell there. At 6300 and 6700 feet in Incline Village 10 and 18 inches was reported, respectively. In Tahoe City near lake level, only 7 inches was reported by a cooperative observer. In South Lake Tahoe, only 3 inches fell at the airport.

Heavy Snow in MONO, CALIFORNIA
From 09-FEB-17 13:00:00 to 10-FEB-17 15:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

For elevations above 8500 feet, 2 to 3 feet of snow fell near the Sierra crest with around 18 inches east of Highway 395 and north of Bridgeport. At 8200 feet in Mammoth Lakes, 16 inches was reported by a National Weather Service spotter. Below 7500 feet along Highway 395, mostly rain fell with snowfall totals only reaching 1 to 2 inches.

Flood in PLUMAS, CALIFORNIA
From 07-FEB-17 06:00:00 to 13-FEB-17 05:00:00 (PST-8)
Location: GRAEAGLE
Flood cause: Heavy Rain / Snow Melt
Property damage: 2.00M
Crop damage: 0.00K
Reported by: Law Enforcement

The Middle Fork of the Feather River saw record flooding (a record crest at Portola on the 10th) and caused extensive structural damage in Portola, Clio, and downstream to Blairsden. Highway 89 was closed near Clio due to water over the road. Many schools were closed on the 9th in the Portola area and along the Feather River. Damage estimate only for repairs to Highway 89 (per a CALTRANS report) so actual flooding damage likely much higher.

High Wind in MONO, CALIFORNIA
From 09-FEB-17 07:30:00 to 09-FEB-17 10:00:00 (PST-8)
Magnitude: 71.00 MG
Crop damage: 0.00K
Reported by: Mesonet

Wind gusts between 60 and 82 mph were recorded along Highway 395 between Bridgeport and Crowley Lake on the 9th. According to the California Highway Patrol, two semi-trucks were blown over in Lee Vining with another blown over near the Mammoth airport.

High Wind in SURPRISE VALLEY, CALIFORNIA
From 09-FEB-17 11:00:00 to 09-FEB-17 21:30:00 (PST-8)
Magnitude: 62.00 MG
Crop damage: 0.00K
Reported by: RAWS

The Surprise Valley RAWS recorded gusts between 61 and 71 mph on the 9th.