Winter Storm — Greater Portland Metro Area, Oregon

Event narrative (NOAA)

This was a transition event for the greater Portland metro area, with wide variation in snow and ice totals across the zone. Snowfall totals tended to be highest near the Columbia River, while the south and west metro saw much less. General 1-4 inch snow totals in the south and west metro, but up to 10-14 inches near the Columbia, all the way down-river to Scappoose. There was a prolonged period of freezing rain in southern portions of the metro area, resulting in massive power outages which persisted for several days in many cases. Ice accumulations ranged from 0.25-0.50 in downtown Portland, with amounts generally increasing closer to 1 inch in the south and southeast metro. The heaviest ice accumulations appear to have been around Oregon City, West Linn, Wilsonville, and Sherwood,

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