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Heavy Snow in Little Belt and Highwood Mountains, Montana

Heavy Snow April 12, 2023 – April 13, 2023 · Little Belt and Highwood Mountains, Montana

What the National Weather Service wrote

The COOP observer located about seven miles south of Shonkin had an event total snow amount of 17 inches. In addition, automate SNOTEL equipment at Onion Park estimated 7 inches new snow in 12 hours ending 8AM MDT 4/13. An additional public report of 11 inches storm total snow was received from 8 miles NNW of Monarch.

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 1094065. Narratives are written by the National Weather Service forecast office that issued the report.

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