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Heavy Snow in Ochoco-john Day Highlands, Oregon

Heavy Snow February 26, 2021 – February 27, 2021 · Ochoco-john Day Highlands, Oregon

What the National Weather Service wrote

A trained spotter 9 miles NW of Seneca, OR reported 9.2 inches of snowfall in a 24 hour period ending at 7am PST on Feb. 27th. The Lake Creek R.S. Snotel 18 miles ENE of Seneca reported 6 inches of snowfall at 733pm 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 morning of Feb. 27th.

Source: NOAA Storm Events Database, event 938522. Narratives are written by the National Weather Service forecast office that issued the report.

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