EF0 Tornado — Columbia, Oregon

2020-11-10 · near St Helens, Columbia, Oregon

Event narrative

A tornado touched down around 12:20 PM in Northwest St. Helens, OR near the intersection of Pittsburgh and Robnette Road. The tornado moved southeastward, ending near just east of McBride Elementary School. The most damage was done near Barr Ave and Pittsburgh Road, with damage to trees, a camper, fences and snapped power lines.

Wider weather episode

On the afternoon of November 10, 2020 in the city of St. Helens, OR, while in a fairly typically post-frontal convective environment for the fall and early winter. The environment was a of a kind of a hybrid low-topped supercell with a contribution from non-supercell tornadogenesis processes. This lead to the development of an EF-0 tornado with maximum estimated winds speeds between 60-65 mph.

View location on OpenStreetMap → (45.8600, -122.8500)

Source: NOAA Storm Events Database, event_id 921015. Narrative written by the NWS forecast office that issued the report.