Hail in Columbia County, Oregon
Hail May 4, 2017 · Columbia County, Oregon
1 in
Hail diameter
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
Received picture via Twitter of hail around 1 inch in diameter from Timber road SW of Vernonia.
The wider storm
A strong upper-level trough generated enough instability for a few severe thunderstorms to develop across NW Oregon.
Began near Vernonia Arpt (45.8408, -123.2154).
Source: NOAA Storm Events Database, event 704505. Narratives are written by the National Weather Service forecast office that issued the report.
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