Thunderstorm Wind — Fergus, Montana

2024-08-19 · near Roy Jct, Fergus, Montana

Event narrative

RAWS sensor JPKM8 Judith Peak measured a severe caliber gust. Given RAWS reports once per hour, time of gust was estimated using radar.

Wider weather episode

An active week of severe weather unfolded across the Northern Rockies from August 18th through the 21st. Subtle waves lifting through a southwesterly flow aloft just west of an upper level ridge combined with ample surface heating and shear to result in multiple rounds of severe weather, most notably on August 19th when a line of strong thunderstorms lifted northward across the plains and adjacent areas.

View location on OpenStreetMap → (47.2200, -109.2200)

Source: NOAA Storm Events Database, event_id 1200379. Narrative written by the NWS forecast office that issued the report.