Heavy Snow — East Slopes Northern Cascades, Washington

2020-12-25 to 2020-12-26 · East Slopes Northern Cascades, Washington

Event narrative

There were not many reports of heavy snowfall in the eastern Cascades. Most of the area received only a few inches of snow. However, two CO-OP observer stations, in Lucerne and Stehekin, recorded 5 to 7 inches of new snow accumulation overnight.

Wider weather episode

In addition to an occluded front's evening arrival in Washington, there were many factors that brought light to moderate snowfall to Eastern Washington and the Idaho Panhandle on Christmas night into December 26th. Significant precipitable water and a surface low's colder air provided conditions for snow and rain/snow mixes across the region.

Source: NOAA Storm Events Database, event_id 932973. Narrative written by the NWS forecast office that issued the report.