A series of slow moving fronts brought periods of heavy rain along with strong winds.  This resulted in high surf; coastal, river and urban flooding; landslides; and debris flows. As the front moved inland early on the 13th, a debris flow resulted in a fatality in the Columbia River Gorge.  The front brought a burst of 35-50 mph winds to the Willamette Valley and southwest Washington interior resulting in over 100K customers without power across southwest Washington and northwest Oregon.

Strong Wind in GREATER  PORTLAND METRO AREA, OREGON
From 13-JAN-21 01:00:00 to 13-JAN-21 02:00:00 (PST-8)
Magnitude: 33.00 EG
Property damage: 2.00K
Reported by: Public

A fir tree approximately 90 feet tall fell. Large branches fell onto cars. Estimate of wind gust using Eagle Creek RAWS, EKGO3.

Strong Wind in COAST RANGE OF NW OREGON, OREGON
From 13-JAN-21 00:00:00 to 13-JAN-21 01:00:00 (PST-8)
Magnitude: 31.00 EG
Property damage: 2.00K
Reported by: Public

Trees fell across highway. Estimate of wind gust from Scappoose Industrial Airpark (KSPB).

Strong Wind in CENTRAL OREGON COAST, OREGON
From 12-JAN-21 21:00:00 to 12-JAN-21 23:00:00 (PST-8)
Magnitude: 48.00 EG
Property damage: 1.00K
Reported by: Public

Roof damage resulting from wind gusts to 55 mph.

Strong Wind in SOUTHERN WILLAMETTE VALLEY, OREGON
From 13-JAN-21 00:00:00 to 13-JAN-21 01:00:00 (PST-8)
Magnitude: 39.00 EG
Property damage: 1.20K
Reported by: Public

Tree blown down in Corvallis. Wind gust estimated from nearby observations from KCVO and E4613 on mesonet.

Flood in WASHINGTON, OREGON
From 12-JAN-21 09:00:00 to 12-JAN-21 12:00:00 (PST-8)
Location: BEAVERTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Road closure at SW 149th Ave. and SW Division St. near South Johnson Creek in Beaverton.

Flood in WASHINGTON, OREGON
From 13-JAN-21 01:00:00 to 13-JAN-21 04:00:00 (PST-8)
Location: GRETON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Fanno Creek flooding SW North Dakota St. in Tigard.

Strong Wind in CENTRAL WILLAMETTE VALLEY, OREGON
From 12-JAN-21 22:36:00 to 12-JAN-21 22:36:00 (PST-8)
Magnitude: 27.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Tree fell onto police vehicle near South Highway 170 and South Barnards Road. Wind gust estimated from Aurora Airport (KUAO) observation.

Coastal Flood in NORTHERN OREGON COAST, OREGON
From 12-JAN-21 06:00:00 to 12-JAN-21 15:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Flooding on Highway 101 south of Seaside, Oregon during the period of high river levels and higher than normal tidal influence.

Flood in WASHINGTON, OREGON
From 12-JAN-21 23:30:00 to 14-JAN-21 03:30:00 (PST-8)
Location: GASTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Tualatin River at Dilley (DLLO3) rose above flood stage at 2330PST on the 12th, crested at 18.09 feet, then fell below flood stage at 0330PST on the 14th. Flood stage is 17.5 feet.

Flood in TILLAMOOK, OREGON
From 13-JAN-21 01:15:00 to 13-JAN-21 07:45:00 (PST-8)
Location: TILLAMOOK CO ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Trask River near Tillamook (TRAO3) rose above flood stage at 0115PST, crested at 17.10 feet, then fell below flood stage at 0745PST.  Flood stage is 16.5 feet.

Flood in TILLAMOOK, OREGON
From 12-JAN-21 22:00:00 to 14-JAN-21 00:00:00 (PST-8)
Location: MOHLER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Nehalem River near Foss (FSSO3) rose above flood stage at 2200PST, crested at 17.73 feet, then fell below flood stage at 0000PST on the 14th. Flood stage is 15.0 feet.

Flood in TILLAMOOK, OREGON
From 12-JAN-21 07:15:00 to 13-JAN-21 15:00:00 (PST-8)
Location: JUNO
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Wilson River near Tillamook (TLMO3) rose above flood stage at 0715PST, crested at 16.75 feet, then fell below flood stage at 1500PST on the 13th.  Flood stage is 12.0 feet. Moderate flood stage is 15.5 feet.

Flood in POLK, OREGON
From 13-JAN-21 00:05:00 to 14-JAN-21 22:00:00 (PST-8)
Location: FALLS CITY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Luckiamute River near Suver (SUVO3) rose above flood stage at 0005PST, crested at 31.29 feet, then fell below flood stage at 2200PST on the 14th. Flood stage is 27.0 feet. Major flood stage is 32.0 feet.

Flood in MULTNOMAH, OREGON
From 13-JAN-21 02:15:00 to 13-JAN-21 06:15:00 (PST-8)
Location: BELLROSE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Johnson Creek at Sycamore (SYCO3) rose above flood stage at 0215PST, crested at 11.33 feet, then fell below flood stage at 0615PST.  Flood stage is 11.0 feet.

Coastal Flood in NORTHERN OREGON COAST, OREGON
From 12-JAN-21 11:00:00 to 12-JAN-21 13:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The Astoria, OR tide gage water level peaked at 11.7 feet at 1206PST. This compares to a predicted tide of 10.2 feet. The calculated surge height is 1.5 feet by subtracting the astronomical tide height from the total water level.

Flood in LINCOLN, OREGON
From 13-JAN-21 01:00:00 to 13-JAN-21 14:00:00 (PST-8)
Location: TIDEWATER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Alsea River near Tidewater (TIDO3) rose above flood stage at 0100PST, crested at 20.83 feet, the subsided below flood stage at 1400PST on the 13th.

Flood in COLUMBIA, OREGON
From 13-JAN-21 02:15:00 to 13-JAN-21 03:45:00 (PST-8)
Location: VERNONIA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Nehalem River near Vernonia (VENO3) rose above flood stage at 0215PST, crested at 12.17 feet, the fell below flood stage at 0345PST on the 13th. Flood stage is 12.0 feet.

Coastal Flood in NORTHERN OREGON COAST, OREGON
From 10-JAN-21 08:00:00 to 10-JAN-21 11:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

At Rockaway Beach in Tillamook county, logs were pushed into the parking lot of the Rockaway Beach City Center and Park.  At Cannon Beach  in Clatsop county, flooding occurred at a beach front home. Buoy 46029 reported wave heights of 22 feet at 16 seconds near the time of high tide at the Garibaldi tide gage where the water level reached 10.12 feet at 0942PST.  The calculated surge height is 0.46 feet by subtracting the astronomical tide height from the total water level.

Flood in LANE, OREGON
From 12-JAN-21 17:45:00 to 13-JAN-21 17:15:00 (PST-8)
Location: FIRO
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Siuslaw River near Mapleton (MPLO3) rose above flood stage at 1745PST on the 12th, crested at 21.26 feet, then fell below flood stage at 1715PST on the 13th.  Flood stage is 18.0 feet.

Flood in LINCOLN, OREGON
From 12-JAN-21 20:15:00 to 13-JAN-21 13:00:00 (PST-8)
Location: KERNVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Siletz River near Siletz (SILO3) rose above flood stage around 2015PST, crested at 21.61 feet, then fell below flood stage at 1300PST on the 13th. Flood stage is 16.0 feet and moderate flood stage is 20.0 feet.

Flood in BENTON, OREGON
From 12-JAN-21 21:30:00 to 14-JAN-21 04:30:00 (PST-8)
Location: FLYNN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Marys River near Philomath (PHIO3) rose above flood stage around 2130PST, crested at 21.23 feet, then fell below flood stage at 0430PST on the 14th. Flood stage is 20.0 feet.

Debris Flow in MULTNOMAH, OREGON
From 13-JAN-21 00:00:00 to 13-JAN-21 03:00:00 (PST-8)
Location: DODSON
Flood cause: Heavy Rain / Burn Area
Property damage: 35.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Multiple landslides and debris flow were triggered by heavy rain near Dodson between 0000PST and 0300PST. About 25 homes in the area were evacuated. One motorist was swept away by the debris flow near the intersection of NE Frontage Road and the Ainsworth State Park exit off I-84.

Flood in CLACKAMAS, OREGON
From 13-JAN-21 04:45:00 to 13-JAN-21 13:45:00 (PST-8)
Location: ESTACADA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Clackamas River near Estacada (ESTO3) rose above flood stage at 0445PST, crested at 21.3 feet, then fell below flood stage at 1345PST. Flood stage is 20.0 feet.

Flood in WASHINGTON, OREGON
From 14-JAN-21 14:00:00 to 16-JAN-21 10:15:00 (PST-8)
Location: FARMINGTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Tualatin River near Farmington (FRMO3) rose above flood stage around 1400PST, crested at 32.6 feet, the fell below flood stage at 1015PST on the 16th. Flood stage is 32.0 feet.

High Wind in NORTHERN OREGON COAST, OREGON
From 11-JAN-21 20:00:00 to 12-JAN-21 04:01:00 (PST-8)
Magnitude: 59.00 MG
Reported by: Mesonet

The Megler Bridge sensor (ODT76) reported a wind of 52 mph gusting to 68 mph, and Clatsop Spit (3CLO3) had 50 mph gusting to 61 mph.

High Wind in CENTRAL OREGON COAST, OREGON
From 11-JAN-21 21:16:00 to 12-JAN-21 08:58:00 (PST-8)
Magnitude: 58.00 MG
Reported by: Mesonet

The Yachats sensor (E1135) reported a wind of 48 mph gusting to 67 mph and Yaquina Bridge (ODT38) had 50 mph gusting to 65 mph.

Thunderstorm Wind in POLK, OREGON
From 12-JAN-21 23:12:00 to 13-JAN-21 00:12:00 (PST-8)
Location: BLACK ROCK
Magnitude: 70.00 MG
Reported by: RAWS

The Rockhouse RAWS sensor reported a wind of 40 mph gusting to 81 mph.

High Wind in CENTRAL OREGON COAST, OREGON
From 12-JAN-21 13:30:00 to 12-JAN-21 23:42:00 (PST-8)
Magnitude: 59.00 MG
Reported by: Mesonet

The Yaquina Bridge sensor (ODT38) reported a wind of 53 mph gusting to 68 mph. Other reports in the area: Yachats (E1135) 48 mph gusting to 67 mph, Newport AWOS (KONP) 44 mph gusting to 58 mph.

High Wind in NORTHERN OREGON COAST, OREGON
From 12-JAN-21 15:45:00 to 12-JAN-21 22:30:00 (PST-8)
Magnitude: 60.00 MG
Reported by: Mesonet

The Megler Bridge sensor (ODT76) reported a wind of 53 mph gusting to 69 mph, and Clatsop Spit (3CLO3) reported 43 mph gusting to 54 mph.