Hail — Silver Bow, Montana
2011-07-14 · near Butte, Silver Bow, Montana
1
Magnitude
Event narrative
A trained spotter reported quarter sized hail.
Wider weather episode
Unstable and moist southwest flow aloft produced thunderstorms with hail over western Montana. This flow was caused by an upper level trough off the West Coast.
View location on OpenStreetMap → (45.8842, -112.5300)
Source: NOAA Storm Events Database, event_id 331102. Narrative written by the NWS forecast office that issued the report.