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Heavy Snow in Northwest Beaverhead County, Montana

Heavy Snow April 12, 2023 – April 13, 2023 · Northwest Beaverhead County, Montana

What the National Weather Service wrote

Multiple snotels measured snow reaching winter storm warning criteria, including Lemhi Ridge, Darkhorse Lake, and Slagamelt Lakes. The highest accumulation was at the Darkhorse Lake Snotel, which estimated 9 inches new snow in 24 hours.

The wider storm

The region was in the ascent side of an approaching trough, which in combination with a developing surface low, resulted in widespread snow and heavy snow across much of the region.

Source: NOAA Storm Events Database, event 1094055. Narratives are written by the National Weather Service forecast office that issued the report.

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