Hail — Powell, Montana

2011-07-13 · near Brock Creek, Powell, Montana

Event narrative

The public reported quarter sized hail that covered the ground.

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 → (46.6134, -112.8381)

Source: NOAA Storm Events Database, event_id 331101. Narrative written by the NWS forecast office that issued the report.