Frost/Freeze in Kittitas Valley, Washington

Frost/Freeze April 19, 2023 · Kittitas Valley, Washington

What the National Weather Service wrote

The ASOS KELN at Bowers Field Airport reported temperatures at to below freezing between 0500 to 0615 PDT on April 19th. The mesonet station DW9732 Ellensburg reported temperatures at to below freezing between 0000 to 0745 PDT on April 19th.

The wider storm

A persistent negatively tilted trough over the PacNW conintued to usher in a cooler airmass in the region. The cooler air infiltrated the rest of the Basin and Blue Mountain foothills, resulting in at to below freezing temperatures in these areas in addition to the Yakima and Kittitas valleys.

Source: NOAA Storm Events Database, event 1095169. Narratives are written by the National Weather Service forecast office that issued the report.

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