Thunderstorm Wind — Lake, Oregon

2009-08-02 · near Ft Rock, Lake, Oregon

Event narrative

A spotter 5E Fort Rock reported a 100x50 foot barn blown down, bending trees and street signs. They also got about 2 inches of rain in one hour. A member of the public 10N Fort Rock reported a 180x60 foot hay barn 20 foot tall at the eaves blown down. Hay in the fields was flattened by heavy rain and wind.

Wider weather episode

Southerly winds aloft ahead of an offshore cutoff low advected monsoonal moisture over the area. Short waves spinning around the low and a deformation zone aloft contributed to the development of numerous afternoon and evening thunderstorms, a number of which contained large hail and strong winds.

View location on OpenStreetMap → (43.5147, -121.0500)

Source: NOAA Storm Events Database, event_id 177379. Narrative written by the NWS forecast office that issued the report.