Avalanche in Eastern Lemhi County, Idaho

Avalanche February 4, 2017 · Eastern Lemhi County, Idaho

What the National Weather Service wrote

Warm weather and rain helped prime conditions for multiple snow slides that covered roads in Lemhi county. The Idaho Transportation Department reported one 100 ft wide and 10 ft high snow slide on Hwy 93 north of Salmon, ID that completely blocked the road for 1.5 hours. Four other smaller slides caused roads to be reduced to one lane, and heavy equipment was needed to clear snow.

The wider storm

Moist warm air moving over the Northern Rockies brought heavy snow and freezing rain to parts of central Idaho. Multiple snow slides were reported in Lemhi county during this event.

Source: NOAA Storm Events Database, event 680278. Narratives are written by the National Weather Service forecast office that issued the report.

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