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Heavy Snow in East Slopes of the Washington Cascades, Washington

Heavy Snow February 25, 2021 – February 27, 2021 · East Slopes of the Washington Cascades, Washington

What the National Weather Service wrote

The Fish Lake Snotel 20 miles N of Roslyn, WA measured 20 inches of snowfall at 740pm PST on Feb. 26th. The Potato Hill Snotel 38 miles W of White Swan, WA measured 14 inches of snowfall at 743pm PST on Feb. 26th.

The wider storm

A shortwave trough coupled with surface cold front swept across the forecast area on Feb. 25th, producing an initial surge in snowfall across the region with breezy to gusty winds developing behind the frontal passage. Behind this system, persistent northwest flow aloft reinforced by a series of shortwaves produced additional snowfall across the forecast area through the early afternoon of Feb. 27th.

Source: NOAA Storm Events Database, event 938516. Narratives are written by the National Weather Service forecast office that issued the report.

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