Winter Storm in Sun Valley Region, Idaho

Winter Storm December 22, 2021 – December 27, 2021 · Sun Valley Region, Idaho

What the National Weather Service wrote

The COOP observer measured 21 inches of snow at the Ketchum site over the 24th through 27th.

The wider storm

An extended period of Pacific moisture influx brought large amounts of moisture into southeast Idaho with continuous periods of light to moderate snowfall occasional strong winds. The entire region was under advisories and warnings for the entire week overlapping the Christmas holiday. Several roads closed on the 26th with heavy snow amounts and strong winds.

Source: NOAA Storm Events Database, event 999912. Narratives are written by the National Weather Service forecast office that issued the report.

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