Frost/Freeze — Foothills of the Southern Blue Mountains of Oregon, Oregon

2022-11-03 · Foothills of the Southern Blue Mountains of Oregon, Oregon

Event narrative

The mesonet station CW5615 Heppner recorded temperatures at or below freezing between 0200 PST and 0545 PST. The mesonet station DW10287 Ajax recorded temperatures at or below freezing between 0415 PST and 0715 PST.

Wider weather episode

Northerly flow aloft and mostly clear skies the morning of November 3rd led to several hours of temperatures at or below 32 degrees across the Blue Mountain Foothills, the Columbia Basin, the eastern Columbia River Gorge, the Simcoe Highlands, and north central Oregon.

Source: NOAA Storm Events Database, event_id 1066852. Narrative written by the NWS forecast office that issued the report.