Ice Storm — Seattle and Vicinity, Washington

2024-01-17 to 2024-01-18 · Seattle and Vicinity, Washington

Event narrative

Observing system at Renton airport reported freezing rain ice accretion of 0.13 inches.

Wider weather episode

A Pacific frontal system moving in Western Washington encountered a cold air mass already in place. This created an overrunning event that led to wintry precipitation across interior portions of the area from Whatcom County southward into King County.

Source: NOAA Storm Events Database, event_id 1160352. Narrative written by the NWS forecast office that issued the report.