Frost/Freeze — Kittitas Valley, Washington

2023-04-20 · Kittitas Valley, Washington

Event narrative

The ASOS KELN at Bowers Field Airport reported temperatures at to below freezing between 0100 to 0745 PDT on April 20th. The mesonet station DW9732 Ellensburg reported temperatures at to below freezing between 0130 to 0815 PDT on April 20th.

Wider weather episode

A persistent cold airmass near the surface and clear skies in the morning resulted in freezing morning lows in the Eastern Columbia River Gorge, areas of the Blue Mountain Foothills, and the Yakima/Kittitas valleys the morning of April 20th.

Source: NOAA Storm Events Database, event_id 1095186. Narrative written by the NWS forecast office that issued the report.