Winter Storm in Caribou Highlands, Idaho

Winter Storm January 7, 2017 – January 11, 2017 · Caribou Highlands, Idaho

What the National Weather Service wrote

A very strong and wet Pacific storm brought very heavy snow to high elevations of the Caribou Highlands. Valley amounts recorded by COOP observer in Downey were 9.5 inches. SNOTEL sties recorded the following: Pine Creek Pass 21 inches, Sedgwick Peak 63 inches, Somsen Ranch 26 inches, Sheep Mountain 25 inches, and Wildhorse Divide 25 inches.

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 676949. Narratives are written by the National Weather Service forecast office that issued the report.

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