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Winter Storm in Western Columbia Gorge, Washington

Winter Storm January 15, 2020 – January 16, 2020 · Western Columbia Gorge, Washington

What the National Weather Service wrote

The amounts of snow and ice varied greatly across the Columbia River Gorge, with heaviest amounts in the Central Columbia River Gorge zone. The combination of snow, ice, and wind resulted in the closure of I-84 between Troutdale and Cascade Locks. Based on DOT and spotter reports, 4 to 10 inches fell in the stretch from Corbett to Cascade Locks and Carson, followed by a few hours of light freezing rain. One to 3 inches fell in the Underwood and Hood River areas.

The wider storm

A 980 mb low located near 45N/130W along with an attendant warm front moved into the southern Oregon Coast and overran a cold airmass originating from the Columbia River Gorge. This resulted in snow that gradually transitioned to freezing rain in the Gorge on Wednesday night into Thursday.

Source: NOAA Storm Events Database, event 873250. Narratives are written by the National Weather Service forecast office that issued the report.

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