Debris Flow in Granite County, Montana
Debris Flow June 7, 2023 · Granite County, Montana
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
A layer of mud was found caked over the Drummond Frontage Road the day after the rainfall which depicted that a debris flow had occurred.
The wider storm
Anomalous atmospheric moisture combined with slow moving thunderstorms caused copious amounts of rain and in some places flooding.
Began near Nimrod (46.7681, -113.5461).
Source: NOAA Storm Events Database, event 1101173. Narratives are written by the National Weather Service forecast office that issued the report.
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