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Heavy Snow in North Oregon Cascades Foothills, Oregon

Heavy Snow January 13, 2020 · North Oregon Cascades Foothills, Oregon

What the National Weather Service wrote

The Lyons (CoCoRaHS) had two stations report 6 inches of snow over a 12 hour period. Station OR-LN-20 had good detail in their report as well. Stations up by Zigzag were close, but generally in the 3-5 range.

The wider storm

A broad upper level trough resided over much of the western United States and Canada, with a baroclinic zone and strong jet stream pointed towards southern Oregon and the Great Basin. The strong jet combined with strong surface onshore flow and steep lapse rates maintined snow showers over the region. This created the necessary conditions for a a heavy snow event at elevations above 2000 feet.

Source: NOAA Storm Events Database, event 873431. Narratives are written by the National Weather Service forecast office that issued the report.

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