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Ice Storm in East Puget Sound Lowlands, Washington

Ice Storm January 17, 2024 – January 18, 2024 · East Puget Sound Lowlands, Washington

What the National Weather Service wrote

Member of the public reported a quarter of an inch of ice accretion on trees and other surfaces in North Bend. Trained spotter report a half inch of ice accretion 1 miles east of Monroe. Trained spotted reported 1.13 inches of ice accretion on signs and trees 2 miles north northwest of Duvall.

The wider storm

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 1160370. Narratives are written by the National Weather Service forecast office that issued the report.

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