Heavy Snow — Blue Mountain Foothills, Washington

2021-02-12 to 2021-02-13 · Blue Mountain Foothills, Washington

Event narrative

A social media report originating 5 miles ENE of Walla Walla, WA estimated 8.5 inches of snowfall over a 48 hour period ending at 10:21am PST on Feb. 13th. A local newspaper from Walla Walla, WA estimated 5 inches of snowfall in a 24 hour period ending at 2:00pm PST on Feb. 12th.

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 935154. Narrative written by the NWS forecast office that issued the report.