Heavy Snow — Northern Clearwater Mountains, Idaho

2017-05-17 · Northern Clearwater Mountains, Idaho

Event narrative

A COOP observer in Pierce reported 4.2 inches of snow which caused power outages and knocked down many cottonwood trees. Shanghai summit snotel just north of Pierce 11 inches of snow with 1.8 inches of Snow Water Equivalent.

Wider weather episode

A cold upper level closed low brought widespread heavy mountain snow to central Idaho and Lemhi county. The late season snow storm brought wet heavy snow to a few valleys such as Pierce and caused power outages and tree damage.

Source: NOAA Storm Events Database, event_id 687719. Narrative written by the NWS forecast office that issued the report.