Hail — Klamath, Oregon

2009-08-02 · near Crater Lake, Klamath, Oregon

Event narrative

The Crater Lake National Park cooperative observer reported quarter size hail with heavy rain. This caused mud and rock slides across the West Rim Road and the East Rim Road. East Rim Road was reopened after the removal of 12 cubic yards of material. One inch hail was also reported by a member of the public.

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 → (42.9500, -122.1000)

Source: NOAA Storm Events Database, event_id 177378. Narrative written by the NWS forecast office that issued the report.