Extreme Cold/Wind Chill in Kittitas Valley, Washington

Extreme Cold/Wind Chill December 21, 2022 – December 22, 2022 · Kittitas Valley, Washington

What the National Weather Service wrote

The ASOS station KELN recorded wind chill values at or below -20 degrees from 6pm December 21st to 2am December 22nd, and the Mesonet station TRYEG recorded wind chill values at or below -20 degrees from 12AM to 3AM on December 22nd.

The wider storm

A strong northerly pressure gradient after the passage of an artic frontal boundary facilitated a period of extremely cold to hazardous wind chills, focused the evening of December 21st through the morning of the 22nd.

Source: NOAA Storm Events Database, event 1068277. Narratives are written by the National Weather Service forecast office that issued the report.

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