Heavy Snow — Centennial Mountains-island Park, Idaho

2022-11-07 to 2022-11-09 · Centennial Mountains-island Park, Idaho

Event narrative

A period of a long atmospheric river event led to extremely heavy snowfall for an extended period. The Island Park COOP observer measured 21 inches of snow. SNOTEL estimates were: 27 inches Crab Creek, 19 inches Island Park, and 39 inches White Elephant.

Wider weather episode

An extended period of extensive Pacific moisture brought strong winds to the region November 7th with periods of heavy snowfall through the 9th. Heavy snowfall fell across much of southeast Idaho especially in high elevations but many low elevation sites saw heavy snowfall as well.

Source: NOAA Storm Events Database, event_id 1063655. Narrative written by the NWS forecast office that issued the report.