Heavy Snow — Eastern Columbia River Gorge, Oregon

2021-02-11 to 2021-02-13 · Eastern Columbia River Gorge, Oregon

Event narrative

A Cocorahs observer 4 miles ESE of Mosier, OR measured 7 inches of snowfall in a 24 hour period ending at 9:30am PST on Feb. 13th. An amateur radio report orginating 1 mile SW of the City of the Dalles, OR indicated 5 inches of snowfall at 12:10am PST on Feb 13th.

Wider weather episode

A series of winter systems moved through the region starting Thursday Jan. 11th through Saturday Jan. 13th, and produced moderate to heavy snow across much of the forecast area. Persistent northwest flow aloft also sustained snow showers across the mountains between the systems. The second system was far more productive, with many lower elevation areas seeing 4-7 inches and locally higher of additional accumulating snow during this period of time.

Source: NOAA Storm Events Database, event_id 935128. Narrative written by the NWS forecast office that issued the report.