High Wind in Eastern Teton, Montana

High Wind November 15, 2021 · Eastern Teton, Montana

58 mph

Estimated gust (50 kt)

What the National Weather Service wrote

Trees uprooted or snapped, 3 inch diameter branches damaged, and power poles blown down at 5 NNE Fairfield.

The wider storm

Strong westerly flow continued into the middle of November over the Northern Rockies. H700 winds routinely exceeded 70 kts as surface pressure gradients assisted with mixing these winds to the surface. The strongest winds were initially observed over the Rocky Mountain Front, before expanding into the remainder of the region, when a strong Pacific trough moved through the region and a 982 mb surface low developed over the Canadian Prairies. There were many reports of structural damage, power outages, and disruptions to travel, especially along the rocky Mountain Front.

Source: NOAA Storm Events Database, event 994221. Narratives are written by the National Weather Service forecast office that issued the report.

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