Heavy Snow in Lower Columbia Basin, Oregon

Heavy Snow February 11, 2021 – February 13, 2021 · Lower Columbia Basin, Oregon

What the National Weather Service wrote

A Cocorahs observer 1 mile WSW of Umatilla, OR measured 6 inches of snow at 7:00am PST on Feb.13th. A public report originating from Hermiston, OR indicated 6 inches of snowfall between 6:00pm PST on Feb. 12th and 8:30am PST on Feb. 13th with a total of 9 inches so far.

The wider storm

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 935111. Narratives are written by the National Weather Service forecast office that issued the report.

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