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

2024-10-25 · Foothills of the Northern Blue Mountains of Oregon, Oregon

Event narrative

The Pendleton ASOS, along with co-op stations C2920 in Helix and D9612 outside of Milton-Freewater, reported sub-freezing temperatures between 5am and 730am the morning of the 25th.

Wider weather episode

A cold air mass moving in, combined with clear and stable conditions, allowed for widespread freezing temperatures to occur across the forecast area the morning of the 25th.

Source: NOAA Storm Events Database, event_id 1220944. Narrative written by the NWS forecast office that issued the report.