Thunderstorm Wind — Lake, Oregon

2009-08-02 · near Summer Lake, Lake, Oregon

Event narrative

A spotter reported 8 inch diameter trees blown down and wind damage to a barn. 0.40 inches of rain fell, and there was no hail.

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 → (43.2642, -120.6031)

Source: NOAA Storm Events Database, event_id 177376. Narrative written by the NWS forecast office that issued the report.