Avalanche in Sawtooth Mountains, Idaho

Avalanche January 9, 2017 – January 11, 2017 · Sawtooth Mountains, Idaho

What the National Weather Service wrote

Highway 75 was closed due to an avalanche from extremely heavy snow from Stanley to Clayton from the 9th through the 11th.

The wider storm

A long dawn out atmospheric river event brought a variety of impacts to southeast Idaho including extremely heavy mountain snow, valley snow then rain on snow leading to flooding and roads covered with ice in the Snake River Plain, and many mountain avalanches. Many roads were closed for extended periods due to the heavy snow and avalanches. Custer County was declared a disaster area due to the prodigious snow amounts. An emergency declaration was signed in Cassia County due to the flooding.

Source: NOAA Storm Events Database, event 677040. Narratives are written by the National Weather Service forecast office that issued the report.

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