Heavy Snow — South Washington Cascades, Washington

2024-11-17 to 2024-11-18 · South Washington Cascades, Washington

Event narrative

June Lake SNOTEL at 3440 ft recorded 18 inches of snowfall with 12 inches first hit by 0700 Nov 18th and Swift Creek SNOTEL at 4440 ft recorded 15 inches of snow with 12 inches hit around 0100 Nov 18th.

Wider weather episode

A cold frontal boundary arriving on Nov 17th followed by a modified arctic airmass loft and long-fetch northwesterly flow by Nov 18th facilitate heavy snow across the Cascades above 2000-3000ft.

Source: NOAA Storm Events Database, event_id 1221933. Narrative written by the NWS forecast office that issued the report.