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Heavy Snow in Gallatin and Madison County Mountains and Centennial Mountains, Montana
Heavy Snow October 17, 2024 – October 18, 2024 · Gallatin and Madison County Mountains and Centennial Mountains, Montana
What the National Weather Service wrote
Snotel equipment at Shower Falls estimated 9 inches new snow.
The wider storm
A splitting trough resulted in a period of heavy snow across the high terrain of Madison and Gallatin counties late Oct 17 into the 18th. Further, as the trough pulled away, a secondary wave diving SE from BC resulted in strong cross barrier flow, ridgetop stability and hence strong wind gusts across the plains adjacent to the Rocky Mountain Front. A strong pressure gradient also helped stronger gusts occur near the Rocky Mountain Front.
Source: NOAA Storm Events Database, event 1211497. Narratives are written by the National Weather Service forecast office that issued the report.
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