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Winter Storm in Northeastern Yellowstone, Montana

Winter Storm October 17, 2020 – October 19, 2020 · Northeastern Yellowstone, Montana

What the National Weather Service wrote

Snowfall around 11 inches occurred across the area.

The wider storm

An early season arctic airmass arrived into the Billings Forecast Area during the 3rd week of the month. At the same time, a very strong upper level disturbance within an unstable northwest flow aloft was situated over south central Montana and northern Wyoming. The combination of these factors brought heavy, wet snow to a large portion of the forecast area.

Source: NOAA Storm Events Database, event 920674. Narratives are written by the National Weather Service forecast office that issued the report.

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