Thunderstorm Wind — Granite, Montana

2014-07-23 · near Hall, Granite, Montana

Event narrative

Several 6 inch diameter limbs blown down from a tall and very sturdy tree in the location of the inflow of a supercell thunderstorm.

Wider weather episode

An unusually strong upper level low that originated from the Gulf of Alaska, moved across northwest Washington on the evening of July 23 into south-central Alberta Canada by the evening of July 24. A mid-level wave tracked north-northeast across eastern Washington State on the afternoon of July 23 helping to initiate several severe thunderstorms. These storms brought wind damage that extended into northwest Montana. A few discrete strong thunderstorms developing over southwest Montana producing large hail near Butte.

View location on OpenStreetMap → (46.4200, -113.2840)

Source: NOAA Storm Events Database, event_id 530681. Narrative written by the NWS forecast office that issued the report.