A broad shortwave trough brought multiple rounds of precipitation, including a wintry mix of snow and ice for many locations across Northwest Oregon. Strong easterly pressure gradients generated high winds through the Columbia River Gorge as well on January 8.

Heavy Snow in UPPER HOOD RIVER VALLEY, OREGON
From 07-JAN-17 10:00:00 to 08-JAN-17 19:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

After a little bit of freezing rain on the 7th, snow increased dramatically on the 8th, leading to multiple 10-12 snow reports in the Hood River Valley.

Winter Storm in WESTERN COLUMBIA RIVER GORGE, OREGON
From 07-JAN-17 10:00:00 to 08-JAN-17 22:00:00 (PST-8)
Crop damage: 0.00K
Reported by: Official NWS Observations

The Columbia River Highway was closed between Larch Mountain Rd and Vista House due to extreme ice conditions. Local TV meteorologist reported 0.50 inches of ice and 1 inch of snow in Corbett.

Heavy Snow in CENTRAL COLUMBIA RIVER GORGE, OREGON
From 07-JAN-17 10:00:00 to 08-JAN-17 19:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

After a little bit of freezing rain on the 7th, snow increased dramatically on the 8th, leading to multiple 10-12 snow reports in the Hood River Valley and in the Columbia Gorge.

Winter Storm in COAST RANGE OF NW OREGON, OREGON
From 07-JAN-17 10:00:00 to 08-JAN-17 18:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Other Federal Agency

South Fork RAWS recorded 0.89 inches of liquid equivalent while temperatures were well below freezing, suggesting substantial icing in some of the valleys in the Coast Range of Northwest Oregon.

Winter Storm in CASCADE FOOTHILLS IN LANE COUNTY, OREGON
From 07-JAN-17 07:30:00 to 08-JAN-17 18:00:00 (PST-8)
Crop damage: 0.00K
Reported by: Official NWS Observations

General snowfall totals of 2-4 inches were reported, with the greatest total being 5 inches. Major ice accumulations occurred after the snow, with several locations reporting 0.50-1.00. The combination of snow and ice resulted in significant power outages and closures across the area.

Winter Storm in CENTRAL WILLAMETTE VALLEY, OREGON
From 07-JAN-17 08:15:00 to 08-JAN-17 18:30:00 (PST-8)
Crop damage: 0.00K
Reported by: Official NWS Observations

Precipitation types were mixed, with generally 1-2 of snow/sleet and around 0.25 of freezing rain.

Winter Storm in NORTH OREGON CASCADES FOOTHILLS, OREGON
From 07-JAN-17 09:00:00 to 08-JAN-17 19:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Precipitation types were mixed, with generally 1-2 of snow/sleet and around 0.25 of freezing rain.

Winter Storm in GREATER  PORTLAND METRO AREA, OREGON
From 07-JAN-17 09:30:00 to 09-JAN-17 00:30:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

After a brief period of snow/sleet brought a trace to 1 inch of accumulation, a substantial ice storm affected especially eastern portions of the Portland metro areas Ice accumulations ranged from 0.25 in Southwest Portland to as much as 0.75 around Gresham and Fairview. WFO Portland reported 0.51 of ice by Jan 8th. Around 7200 people lost power during the peak of the ice storm.

Winter Storm in SOUTHERN WILLAMETTE VALLEY, OREGON
From 07-JAN-17 07:30:00 to 08-JAN-17 17:00:00 (PST-8)
Crop damage: 0.00K
Reported by: Official NWS Observations

General snowfall totals of 2-4 inches were reported, with the greatest total being 4.5 inches from the observer at Eugene Airport. Major ice accumulations occurred after the snow, with several locations reporting 0.50-1.00. The combination of snow and ice resulted in significant power outages and closures across the area.

Winter Storm in CENTRAL COAST RANGE OF W OREGON, OREGON
From 07-JAN-17 06:30:00 to 08-JAN-17 17:00:00 (PST-8)
Crop damage: 0.00K
Reported by: Official NWS Observations

General snowfall totals of 2-4 inches were reported, with the greatest total being 4.5 inches. Major ice accumulations occurred after the snow, with several locations reporting 0.50-1.00. The combination of snow and ice resulted in significant power outages and closures across the area.

High Wind in WESTERN COLUMBIA RIVER GORGE, OREGON
From 08-JAN-17 00:05:00 to 08-JAN-17 12:35:00 (PST-8)
Magnitude: 74.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

The weather station at Corbett recorded sustained winds gusts of 85 mph.