Hail in Pondera County, Montana
Hail June 21, 2024 · Pondera County, Montana
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
The public reported golf ball sized hail along I-15. It was hailing long and hard enough, with low visibility, that vehicles had to pull over on I-15.
The wider storm
A shortwave within southwesterly flow aloft resulted in a few thunderstorms June 20 ahead of a more robust shortwave that brought numerous strong to severe thunderstorms to the region June 21. Moist low level easterly flow, the passing shortwave and ample westerly flow aloft resulted in a favorable environment for supercells the 21st, primarily capable of producing large hail.
Began near Brady (48.0400, -111.8300).
Source: NOAA Storm Events Database, event 1176036. Narratives are written by the National Weather Service forecast office that issued the report.
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