Heavy Snow — Grand Ronde Valley, Oregon

2012-04-04 · Grand Ronde Valley, Oregon

Wider weather episode

A large upper level low pressure system near the Pacific Coast brought considerable moisture from the south which produced heavy snowfall over northeast Oregon. Snowfall amounts reported in inches included 4 miles south southwest of Mount Vernon (4), High Ridge SnoTel (6), Union (5), 6 miles east of John Day (6), Enterprise (5), Milkshakes SnoTel (9), Cove (8), 4 miles southwest of Athena (4), 5 miles east of Joseph (5), Joseph (6.5), 3 miles north of Elgin (4), 3 miles north northeast of Bingham Springs (7), High Ridge SnoTel (8), and 2 miles north of Meacham (7).

An unstable atmosphere in the afternoon produced showers and localized hail.

Source: NOAA Storm Events Database, event_id 368530. Narrative written by the NWS forecast office that issued the report.