Hail — Pondera, Montana

2013-07-24 · near Valier, Pondera, Montana

Event narrative

Hail measuring 1.75 inches (golf ball sized) was reported 5 mi SSW of Valier, MT. Windows were reported as being broken at a spotters residence.

Wider weather episode

A disturbance aloft swept southeast through the plains and adjoining mountains of Central Montana. This disturbance triggered isolated to scattered thunderstorm development. Observations early in the afternoon showed a moderately unstable airmass near the Canadian border and moderate wind shear. A general threat of hail and

gusty winds with the thunderstorms resulted in SPC issuing a convective watch for much of North Central Montana.

View location on OpenStreetMap → (48.2331, -112.2916)

Source: NOAA Storm Events Database, event_id 470555. Narrative written by the NWS forecast office that issued the report.