Frost/Freeze in Yakima Valley, Washington

Frost/Freeze April 17, 2023 · Yakima Valley, Washington

What the National Weather Service wrote

The mesonet site KF7MKL Union Gap measured temperatures at or below freezing between 0415 to 0745 PDT on April 17th. The mesonet station KK7GO-7 Yakima measured temperatures at to below freezing between 0500 to 0745 PDT on April 17th.

The wider storm

Cold air advection behind a cold front passage the previous day, in combination with clearing skies overnight led to temperatures in the Kittitas and Yakima valleys dropping to below freezing in the morning.

Source: NOAA Storm Events Database, event 1095132. Narratives are written by the National Weather Service forecast office that issued the report.

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